Square D EDB34020 EDB E-Frame Circuit Breaker

Source-Reviewed EDB34020 Product Information

The Square D EDB34020 is an E-Frame miniature circuit breaker designed for reliable overload and short-circuit protection in commercial and industrial electrical systems. This 3-pole, bolt-on breaker has a continuous current rating of 20 Amps and a maximum operating voltage of 480Y/277V AC. It features a thermal-magnetic trip unit and delivers an interrupting capacity of 18 kA at 480Y/277V AC. The breaker is equipped with aluminum lugs accommodating 12 AWG to 6 AWG aluminum or 14 AWG to 6 AWG copper wire. It is specifically designed for use in lighting panelboards, particularly Square D NF panelboards, and includes the Visi-Trip indicator for quick troubleshooting. The unit is HID and HACR rated. Prior to purchasing, confirm panel compatibility, condition, source, availability, and lead time in the written quote.

Application context: Used in lighting panelboards, specifically for NF panelboards. Suitable for HID and HACR applications.

Source-Confirmed Attributes

  • Product Type=Miniature circuit-breaker
  • Device Short Name=EDB
  • Module Type=E-Frame
  • Rated Current=20 A
  • Maximum Operating Voltage=480Y/277 V AC
  • Number of Poles=3
  • Mounting Mode=Bolt-on
  • Trip Unit Technology=Thermal-magnetic
  • Breaking Capacity=18 kA at 480Y/277 V AC
  • Product Destination=NF panelboard

Primary technical source for EDB34020

The Square D EDB34020 is an E-Frame miniature circuit breaker designed for reliable overload and short-circuit protection in commercial and industrial electrical systems. This 3-pole, bolt-on breaker has a continuous current rating of 20 Amps and a maximum operating voltage of 480Y/277V AC. It features a thermal-magnetic trip unit and delivers an interrupting capacity of 18 kA at 480Y/277V AC. The breaker is equipped with aluminum lugs accommodating 12 AWG to 6 AWG aluminum or 14 AWG to 6 AWG copper wire. It is specifically designed for use in lighting panelboards, particularly Square D NF panelboards, and includes the Visi-Trip indicator for quick troubleshooting. The unit is HID and HACR rated. Prior to purchasing, confirm panel compatibility, condition, source, availability, and lead time in the written quote.

What the Written Quote Confirms for EDB34020

  • Exact manufacturer and catalog number shown on the nameplate
  • Electrical ratings and mounting or connection style
  • Represented condition and any material exceptions
  • Current quantity, fulfillment source, lead time, and shipping method
  • Applicable seller warranty and return terms
  • Buyer responsibility to verify panel and application compatibility

EDB34020 Specifications

SpecificationValue
Product TypeMiniature circuit-breaker
Device Short NameEDB
Module TypeE-Frame
Rated Current20 A
Maximum Operating Voltage480Y/277 V AC
Number of Poles3
Mounting ModeBolt-on
Trip Unit TechnologyThermal-magnetic
Breaking Capacity18 kA at 480Y/277 V AC
Product DestinationNF panelboard

Application and Compatibility Review

Used in lighting panelboards, specifically for NF panelboards. Suitable for HID and HACR applications. Match the physical nameplate, panel label, mounting method, electrical ratings, and manufacturer instructions before purchase or installation.

Buy EDB34020 Circuit Breaker

Square D EDB34020 catalog record. Call (951) 903-9804 to request a written quote confirming the nameplate, ratings, mounting, condition, source, availability, lead time, shipping method, warranty, and compatibility requirements.

Brand: Square D | Catalog Number: EDB34020 | Series: EDB E-Frame

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