Eaton QB1020EP QB GFCI Circuit Breaker – 20A, 1-Pole, 120/240V, 30mA Trip, 10 kAIC

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SKU: QB1020EP GTIN/UPC: 786679185995
Regular price $215.60
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The Eaton QB1020EP QB GFCI circuit breaker is engineered to provide dependable ground-fault protection for residential and light commercial electrical systems. Designed for bolt-on installation, it helps safeguard equipment by detecting ground faults and interrupting power to minimize the risk of electrical hazards and equipment damage. Its compact single-pole construction integrates seamlessly into compatible Eaton QB load centers and equipment protection applications. With a 30mA trip sensitivity, this breaker is ideal for equipment protection where reliable ground-fault interruption is required.

Electrical Ratings

  • Current Rating: 20A
  • Trip Rating: 20A
  • Voltage Rating: 120/240 V
  • Number of Poles: Single-pole
  • Circuit Breaker Type: QB
  • Trip Sensitivity: 30 mA
  • Interrupt Rating: 10 kAIC
  • Trip Type: Non-interchangeable

Key Specifications

  • Manufacturer: Eaton
  • Catalog Number: QB1020EP
  • UPC: 786679185995
  • Product Type: GFCI circuit breaker
  • Connection Type: Bolt-on
  • Mounting Method: Bolt-on
  • Wire Size Compatibility: #14–4 AWG
  • Certifications: UL 489
  • Warranty: 1 year

Physical Details

  • Product Length/Depth: 3.5 in
  • Product Height: 1 in
  • Product Width: 3.5 in
  • Product Weight: 0.45 lb

Product Data

  • Application: Ground-fault protection for residential and light commercial systems
  • Installation Use: Compatible Eaton QB load centers and bolt-on equipment protection applications
  • Function: Provides overload protection and ground-fault interruption for enhanced electrical safety
  • System Compatibility: Eaton QB platform
  • Safety Feature: 30mA ground-fault trip sensitivity helps protect equipment and reduce electrical hazard risks



  • Type Circuit Breakers
  • Vendor Eaton Cutler-Hammer
  • Brand Eaton

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You may return items within 30 days of delivery for a refund.

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My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.