Forms

  • sylius_add_to_cart
    • cartItem
    • _token

sylius_add_to_cart

Form type:
"Sylius\Bundle\CoreBundle\Form\Type\Order\AddToCartType"

Errors

This form has no errors.

Default Data

Property Value
Model Format same as normalized format
Normalized Format
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#113633
  -cart: App\Entity\Order\Order {#13331 …}
  -cartItem: App\Entity\Order\OrderItem {#113621
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#113645 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#113646 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8100
      #id: 3695
      #code: "IEEE00002869PDF"
      #product: App\Entity\Product\Product {#7311
        #id: 9764
        #code: "IEEE00002869"
        #attributes: Doctrine\ORM\PersistentCollection {#7701 …}
        #variants: Doctrine\ORM\PersistentCollection {#7744 …}
        #options: Doctrine\ORM\PersistentCollection {#7916
          #collection: Doctrine\Common\Collections\ArrayCollection {#7918 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7311}
          -association: [ …21]
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          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#199261 …}
          -isDirty: false
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        #associations: Doctrine\ORM\PersistentCollection {#7900 …}
        #createdAt: DateTime @1751038537 {#7274
          date: 2025-06-27 17:35:37.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754607004 {#7322
          date: 2025-08-08 00:50:04.0 Europe/Paris (+02:00)
        }
        #enabled: true
        #translations: Doctrine\ORM\PersistentCollection {#7922 …}
        #translationsCache: [
          "en_US" => App\Entity\Product\ProductTranslation {#7921
            #locale: "en_US"
            #translatable: App\Entity\Product\Product {#7311}
            #id: 34065
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            #slug: "ieee-c62-48-1995-r2000-ieee00002869-241416"
            #description: """
              New IEEE Standard - Superseded.<br />\n
              Information is provided to users and manufacturers of surge-protective devices(SPDs) about the interactions that may occur between SPDs and power system disturbances. This guide applies to SPDs manufactured to be connected to 50 or 60 Hz ac power circuits rated at 100-1000 V rms. The effects and side effects of the presence and operation of SPDs on the quality of power available to the connected loads are described. The interaction between multiple SPDs on the same circuit is also described.<br />\n
              \t\t\t\t<br />\n
              This guide applies to surge-protective devices (SPDs) manufactured to be connected to 50 or 60 Hz ac power circuits rated at 100–1000 V rms.<br />\n
              This guide describes the effects on SPDs of power system disturbances occurring in these low-voltage ac power circuits. The disturbances are not limited to surges. The effects and side effects of the presence and operation of SPDs on the quality of power available to the connected loads are described. The interaction between multiple SPDs on the same circuit is also described.<br />\n
              This guide will discuss both voltage and current surges. The current surges discussed in this guide are the result of voltage surges. Current surges that are solely the result of load changes and do not result in voltage increases, such as a short circuit, are not discussed in this guide.<br />\n
              An SPD is a device whose primary purpose is to provide surge protection. Devices discussed in this guide contain at least one nonlinear component for diverting surge current and/or dissipating surge energy, such as a metal oxide varistor (MOV), silicon avalanche diode (SAD), thyristor, or spark gap. Uninterruptible power supplies, ferroresonators, motor-generators, and filters containing only inductive and/or capacitive components are not considered SPDs in this guide.<br />\n
              The purpose of this document is to provide information on the interactions between power system disturbances and SPDs that is not readily available in other standards. This document provides summary information on power system disturbances that affect or may affect SPDs. The description of the interactions is intended to educate the potential user of such SPDs as to what he or she can expect from such devices.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Guide on Interactions Between Power System Disturbances and Surge-Protective Devices"
            -notes: "Superseded"
          }
        ]
        #currentLocale: "en_US"
        #currentTranslation: null
        #fallbackLocale: "en_US"
        #variantSelectionMethod: "match"
        #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …}
        #channels: Doctrine\ORM\PersistentCollection {#7628 …}
        #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …}
        #reviews: Doctrine\ORM\PersistentCollection {#7613 …}
        #averageRating: 0.0
        #images: Doctrine\ORM\PersistentCollection {#7645 …}
        -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …}
        -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …}
        -apiLastModifiedAt: DateTime @1754517600 {#7317
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
        }
        -lastUpdatedAt: DateTime @1578006000 {#7292
          date: 2020-01-03 00:00:00.0 Europe/Paris (+01:00)
        }
        -author: ""
        -publishedAt: DateTime @818982000 {#7318
          date: 1995-12-15 00:00:00.0 Europe/Paris (+01:00)
        }
        -releasedAt: null
        -confirmedAt: DateTime @961538400 {#7316
          date: 2000-06-21 00:00:00.0 Europe/Paris (+02:00)
        }
        -canceledAt: null
        -edition: null
        -coreDocument: "C62.48"
        -bookCollection: ""
        -pageCount: 24
        -documents: Doctrine\ORM\PersistentCollection {#7465 …}
        -favorites: Doctrine\ORM\PersistentCollection {#7500 …}
      }
      #optionValues: Doctrine\ORM\PersistentCollection {#8316 …}
      #position: 0
      #createdAt: DateTime @1751041169 {#7283
        date: 2025-06-27 18:19:29.0 Europe/Paris (+02:00)
      }
      #updatedAt: DateTime @1755611970 {#8117
        date: 2025-08-19 15:59:30.0 Europe/Paris (+02:00)
      }
      #enabled: true
      #translations: Doctrine\ORM\PersistentCollection {#8260 …}
      #translationsCache: [
        "en_US" => App\Entity\Product\ProductVariantTranslation {#93334
          #locale: "en_US"
          #translatable: App\Entity\Product\ProductVariant {#8100}
          #id: 3713
          #name: null
          -shortDescription: null
          -description: null
          -notes: null
          -shippingInformation: "Instant download"
        }
      ]
      #currentLocale: "en_US"
      #currentTranslation: null
      #fallbackLocale: "en_US"
      #version: 9
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      #depth: null
      #taxCategory: Proxies\__CG__\App\Entity\Taxation\TaxCategory {#8132 …}
      #shippingCategory: null
      #channelPricings: Doctrine\ORM\PersistentCollection {#8294 …}
      #shippingRequired: true
      #images: Doctrine\ORM\PersistentCollection {#8291 …}
      -apiLastModifiedAt: DateTime @1753740000 {#8099
        date: 2025-07-29 00:00:00.0 Europe/Paris (+02:00)
      }
      -publishedAt: null
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      -physicalProduct: false
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      -downloadable: true
      -drmViewerUrl: "https://online-viewer.normadoc.com/B6e3PM"
      -sellable: true
      -documents: Doctrine\ORM\PersistentCollection {#8128 …}
      -drmTokens: Doctrine\ORM\PersistentCollection {#8120 …}
      -enabledForSubscribers: true
      -currentAreaContext: null
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    #productName: null
    #variantName: null
  }
}
View Format same as normalized format

Submitted Data

This form was not submitted.

Passed Options

Option Passed Value Resolved Value
data
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#113633
  -cart: App\Entity\Order\Order {#13331 …}
  -cartItem: App\Entity\Order\OrderItem {#113621
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#113645 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#113646 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8100
      #id: 3695
      #code: "IEEE00002869PDF"
      #product: App\Entity\Product\Product {#7311
        #id: 9764
        #code: "IEEE00002869"
        #attributes: Doctrine\ORM\PersistentCollection {#7701 …}
        #variants: Doctrine\ORM\PersistentCollection {#7744 …}
        #options: Doctrine\ORM\PersistentCollection {#7916
          #collection: Doctrine\Common\Collections\ArrayCollection {#7918 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7311}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#199261 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7900 …}
        #createdAt: DateTime @1751038537 {#7274
          date: 2025-06-27 17:35:37.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754607004 {#7322
          date: 2025-08-08 00:50:04.0 Europe/Paris (+02:00)
        }
        #enabled: true
        #translations: Doctrine\ORM\PersistentCollection {#7922 …}
        #translationsCache: [
          "en_US" => App\Entity\Product\ProductTranslation {#7921
            #locale: "en_US"
            #translatable: App\Entity\Product\Product {#7311}
            #id: 34065
            #name: "IEEE C62.48:1995 (R2000)"
            #slug: "ieee-c62-48-1995-r2000-ieee00002869-241416"
            #description: """
              New IEEE Standard - Superseded.<br />\n
              Information is provided to users and manufacturers of surge-protective devices(SPDs) about the interactions that may occur between SPDs and power system disturbances. This guide applies to SPDs manufactured to be connected to 50 or 60 Hz ac power circuits rated at 100-1000 V rms. The effects and side effects of the presence and operation of SPDs on the quality of power available to the connected loads are described. The interaction between multiple SPDs on the same circuit is also described.<br />\n
              \t\t\t\t<br />\n
              This guide applies to surge-protective devices (SPDs) manufactured to be connected to 50 or 60 Hz ac power circuits rated at 100–1000 V rms.<br />\n
              This guide describes the effects on SPDs of power system disturbances occurring in these low-voltage ac power circuits. The disturbances are not limited to surges. The effects and side effects of the presence and operation of SPDs on the quality of power available to the connected loads are described. The interaction between multiple SPDs on the same circuit is also described.<br />\n
              This guide will discuss both voltage and current surges. The current surges discussed in this guide are the result of voltage surges. Current surges that are solely the result of load changes and do not result in voltage increases, such as a short circuit, are not discussed in this guide.<br />\n
              An SPD is a device whose primary purpose is to provide surge protection. Devices discussed in this guide contain at least one nonlinear component for diverting surge current and/or dissipating surge energy, such as a metal oxide varistor (MOV), silicon avalanche diode (SAD), thyristor, or spark gap. Uninterruptible power supplies, ferroresonators, motor-generators, and filters containing only inductive and/or capacitive components are not considered SPDs in this guide.<br />\n
              The purpose of this document is to provide information on the interactions between power system disturbances and SPDs that is not readily available in other standards. This document provides summary information on power system disturbances that affect or may affect SPDs. The description of the interactions is intended to educate the potential user of such SPDs as to what he or she can expect from such devices.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Guide on Interactions Between Power System Disturbances and Surge-Protective Devices"
            -notes: "Superseded"
          }
        ]
        #currentLocale: "en_US"
        #currentTranslation: null
        #fallbackLocale: "en_US"
        #variantSelectionMethod: "match"
        #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …}
        #channels: Doctrine\ORM\PersistentCollection {#7628 …}
        #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …}
        #reviews: Doctrine\ORM\PersistentCollection {#7613 …}
        #averageRating: 0.0
        #images: Doctrine\ORM\PersistentCollection {#7645 …}
        -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …}
        -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …}
        -apiLastModifiedAt: DateTime @1754517600 {#7317
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
        }
        -lastUpdatedAt: DateTime @1578006000 {#7292
          date: 2020-01-03 00:00:00.0 Europe/Paris (+01:00)
        }
        -author: ""
        -publishedAt: DateTime @818982000 {#7318
          date: 1995-12-15 00:00:00.0 Europe/Paris (+01:00)
        }
        -releasedAt: null
        -confirmedAt: DateTime @961538400 {#7316
          date: 2000-06-21 00:00:00.0 Europe/Paris (+02:00)
        }
        -canceledAt: null
        -edition: null
        -coreDocument: "C62.48"
        -bookCollection: ""
        -pageCount: 24
        -documents: Doctrine\ORM\PersistentCollection {#7465 …}
        -favorites: Doctrine\ORM\PersistentCollection {#7500 …}
      }
      #optionValues: Doctrine\ORM\PersistentCollection {#8316 …}
      #position: 0
      #createdAt: DateTime @1751041169 {#7283
        date: 2025-06-27 18:19:29.0 Europe/Paris (+02:00)
      }
      #updatedAt: DateTime @1755611970 {#8117
        date: 2025-08-19 15:59:30.0 Europe/Paris (+02:00)
      }
      #enabled: true
      #translations: Doctrine\ORM\PersistentCollection {#8260 …}
      #translationsCache: [
        "en_US" => App\Entity\Product\ProductVariantTranslation {#93334
          #locale: "en_US"
          #translatable: App\Entity\Product\ProductVariant {#8100}
          #id: 3713
          #name: null
          -shortDescription: null
          -description: null
          -notes: null
          -shippingInformation: "Instant download"
        }
      ]
      #currentLocale: "en_US"
      #currentTranslation: null
      #fallbackLocale: "en_US"
      #version: 9
      #onHold: 0
      #onHand: 0
      #tracked: false
      #weight: 0.0
      #width: null
      #height: null
      #depth: null
      #taxCategory: Proxies\__CG__\App\Entity\Taxation\TaxCategory {#8132 …}
      #shippingCategory: null
      #channelPricings: Doctrine\ORM\PersistentCollection {#8294 …}
      #shippingRequired: true
      #images: Doctrine\ORM\PersistentCollection {#8291 …}
      -apiLastModifiedAt: DateTime @1753740000 {#8099
        date: 2025-07-29 00:00:00.0 Europe/Paris (+02:00)
      }
      -publishedAt: null
      -isbn: "978-0-7381-0937-4"
      -ean: "9780738109374"
      -numberOfUsers: 1
      -physicalProduct: false
      -downloadableImmediately: true
      -downloadable: true
      -drmViewerUrl: "https://online-viewer.normadoc.com/B6e3PM"
      -sellable: true
      -documents: Doctrine\ORM\PersistentCollection {#8128 …}
      -drmTokens: Doctrine\ORM\PersistentCollection {#8120 …}
      -enabledForSubscribers: true
      -currentAreaContext: null
    }
    #productName: null
    #variantName: null
  }
}
same as passed value
product
App\Entity\Product\Product {#7311
  #id: 9764
  #code: "IEEE00002869"
  #attributes: Doctrine\ORM\PersistentCollection {#7701 …}
  #variants: Doctrine\ORM\PersistentCollection {#7744 …}
  #options: Doctrine\ORM\PersistentCollection {#7916
    #collection: Doctrine\Common\Collections\ArrayCollection {#7918 …}
    #initialized: true
    -snapshot: [ …4]
    -owner: App\Entity\Product\Product {#7311}
    -association: [ …21]
    -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
    -backRefFieldName: null
    -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#199261 …}
    -isDirty: false
  }
  #associations: Doctrine\ORM\PersistentCollection {#7900 …}
  #createdAt: DateTime @1751038537 {#7274
    date: 2025-06-27 17:35:37.0 Europe/Paris (+02:00)
  }
  #updatedAt: DateTime @1754607004 {#7322
    date: 2025-08-08 00:50:04.0 Europe/Paris (+02:00)
  }
  #enabled: true
  #translations: Doctrine\ORM\PersistentCollection {#7922 …}
  #translationsCache: [
    "en_US" => App\Entity\Product\ProductTranslation {#7921
      #locale: "en_US"
      #translatable: App\Entity\Product\Product {#7311}
      #id: 34065
      #name: "IEEE C62.48:1995 (R2000)"
      #slug: "ieee-c62-48-1995-r2000-ieee00002869-241416"
      #description: """
        New IEEE Standard - Superseded.<br />\n
        Information is provided to users and manufacturers of surge-protective devices(SPDs) about the interactions that may occur between SPDs and power system disturbances. This guide applies to SPDs manufactured to be connected to 50 or 60 Hz ac power circuits rated at 100-1000 V rms. The effects and side effects of the presence and operation of SPDs on the quality of power available to the connected loads are described. The interaction between multiple SPDs on the same circuit is also described.<br />\n
        \t\t\t\t<br />\n
        This guide applies to surge-protective devices (SPDs) manufactured to be connected to 50 or 60 Hz ac power circuits rated at 100–1000 V rms.<br />\n
        This guide describes the effects on SPDs of power system disturbances occurring in these low-voltage ac power circuits. The disturbances are not limited to surges. The effects and side effects of the presence and operation of SPDs on the quality of power available to the connected loads are described. The interaction between multiple SPDs on the same circuit is also described.<br />\n
        This guide will discuss both voltage and current surges. The current surges discussed in this guide are the result of voltage surges. Current surges that are solely the result of load changes and do not result in voltage increases, such as a short circuit, are not discussed in this guide.<br />\n
        An SPD is a device whose primary purpose is to provide surge protection. Devices discussed in this guide contain at least one nonlinear component for diverting surge current and/or dissipating surge energy, such as a metal oxide varistor (MOV), silicon avalanche diode (SAD), thyristor, or spark gap. Uninterruptible power supplies, ferroresonators, motor-generators, and filters containing only inductive and/or capacitive components are not considered SPDs in this guide.<br />\n
        The purpose of this document is to provide information on the interactions between power system disturbances and SPDs that is not readily available in other standards. This document provides summary information on power system disturbances that affect or may affect SPDs. The description of the interactions is intended to educate the potential user of such SPDs as to what he or she can expect from such devices.
        """
      #metaKeywords: null
      #metaDescription: null
      #shortDescription: "IEEE Guide on Interactions Between Power System Disturbances and Surge-Protective Devices"
      -notes: "Superseded"
    }
  ]
  #currentLocale: "en_US"
  #currentTranslation: null
  #fallbackLocale: "en_US"
  #variantSelectionMethod: "match"
  #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …}
  #channels: Doctrine\ORM\PersistentCollection {#7628 …}
  #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …}
  #reviews: Doctrine\ORM\PersistentCollection {#7613 …}
  #averageRating: 0.0
  #images: Doctrine\ORM\PersistentCollection {#7645 …}
  -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …}
  -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …}
  -apiLastModifiedAt: DateTime @1754517600 {#7317
    date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
  }
  -lastUpdatedAt: DateTime @1578006000 {#7292
    date: 2020-01-03 00:00:00.0 Europe/Paris (+01:00)
  }
  -author: ""
  -publishedAt: DateTime @818982000 {#7318
    date: 1995-12-15 00:00:00.0 Europe/Paris (+01:00)
  }
  -releasedAt: null
  -confirmedAt: DateTime @961538400 {#7316
    date: 2000-06-21 00:00:00.0 Europe/Paris (+02:00)
  }
  -canceledAt: null
  -edition: null
  -coreDocument: "C62.48"
  -bookCollection: ""
  -pageCount: 24
  -documents: Doctrine\ORM\PersistentCollection {#7465 …}
  -favorites: Doctrine\ORM\PersistentCollection {#7500 …}
}
same as passed value

Resolved Options

Option Value
action
""
allow_extra_fields
false
allow_file_upload
false
attr
[]
attr_translation_parameters
[]
auto_initialize
true
block_name
null
block_prefix
null
by_reference
true
compound
true
constraints
[]
csrf_field_name
"_token"
csrf_message
"The CSRF token is invalid. Please try to resubmit the form."
csrf_protection
true
csrf_token_id
null
csrf_token_manager
Symfony\Component\Security\Csrf\CsrfTokenManager {#113653
  -generator: Symfony\Component\Security\Csrf\TokenGenerator\UriSafeTokenGenerator {#113654 …}
  -storage: Symfony\Component\Security\Csrf\TokenStorage\SessionTokenStorage {#113655 …}
  -namespace: Closure() {#113657 …}
}
data
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#113633
  -cart: App\Entity\Order\Order {#13331 …}
  -cartItem: App\Entity\Order\OrderItem {#113621
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#113645 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#113646 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8100
      #id: 3695
      #code: "IEEE00002869PDF"
      #product: App\Entity\Product\Product {#7311
        #id: 9764
        #code: "IEEE00002869"
        #attributes: Doctrine\ORM\PersistentCollection {#7701 …}
        #variants: Doctrine\ORM\PersistentCollection {#7744 …}
        #options: Doctrine\ORM\PersistentCollection {#7916
          #collection: Doctrine\Common\Collections\ArrayCollection {#7918 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7311}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#199261 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7900 …}
        #createdAt: DateTime @1751038537 {#7274
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        }
        #updatedAt: DateTime @1754607004 {#7322
          date: 2025-08-08 00:50:04.0 Europe/Paris (+02:00)
        }
        #enabled: true
        #translations: Doctrine\ORM\PersistentCollection {#7922 …}
        #translationsCache: [
          "en_US" => App\Entity\Product\ProductTranslation {#7921
            #locale: "en_US"
            #translatable: App\Entity\Product\Product {#7311}
            #id: 34065
            #name: "IEEE C62.48:1995 (R2000)"
            #slug: "ieee-c62-48-1995-r2000-ieee00002869-241416"
            #description: """
              New IEEE Standard - Superseded.<br />\n
              Information is provided to users and manufacturers of surge-protective devices(SPDs) about the interactions that may occur between SPDs and power system disturbances. This guide applies to SPDs manufactured to be connected to 50 or 60 Hz ac power circuits rated at 100-1000 V rms. The effects and side effects of the presence and operation of SPDs on the quality of power available to the connected loads are described. The interaction between multiple SPDs on the same circuit is also described.<br />\n
              \t\t\t\t<br />\n
              This guide applies to surge-protective devices (SPDs) manufactured to be connected to 50 or 60 Hz ac power circuits rated at 100–1000 V rms.<br />\n
              This guide describes the effects on SPDs of power system disturbances occurring in these low-voltage ac power circuits. The disturbances are not limited to surges. The effects and side effects of the presence and operation of SPDs on the quality of power available to the connected loads are described. The interaction between multiple SPDs on the same circuit is also described.<br />\n
              This guide will discuss both voltage and current surges. The current surges discussed in this guide are the result of voltage surges. Current surges that are solely the result of load changes and do not result in voltage increases, such as a short circuit, are not discussed in this guide.<br />\n
              An SPD is a device whose primary purpose is to provide surge protection. Devices discussed in this guide contain at least one nonlinear component for diverting surge current and/or dissipating surge energy, such as a metal oxide varistor (MOV), silicon avalanche diode (SAD), thyristor, or spark gap. Uninterruptible power supplies, ferroresonators, motor-generators, and filters containing only inductive and/or capacitive components are not considered SPDs in this guide.<br />\n
              The purpose of this document is to provide information on the interactions between power system disturbances and SPDs that is not readily available in other standards. This document provides summary information on power system disturbances that affect or may affect SPDs. The description of the interactions is intended to educate the potential user of such SPDs as to what he or she can expect from such devices.
              """
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