QOB320GFI - Square D 20 Amp 3 Pole Bolt-On Ground Fault Breaker

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QOB320GFI - Square D Bolt-On 20 Amp GFCI Breaker

Designed to offer a high quality user experience and a safer work environment, the Recertified Square D QOB320GFI Bolt-on Circuit Breaker is a miniature circuit breaker with ground fault circuit interrupter and shunt trip. This Square D by Schneider Electric circuit breaker offers ground fault protection of class A with current rating of 5mA. Designed for bolt-on mounting, this breaker is mounted on a panelboard with a box lug terminal connection. Rated at 240V and 20A, this type-QOB miniature circuit breaker has a 3-phase and 3-pole design, and is suitable for QO load centers. The Square D QOB320GFI provides thermal magnetic protection with long-time and instantaneous trip functions. It has an AIC rating of 10kA@240V. It is UL and CSA approved.


  • Product: Miniature circuit-breaker
  • Range: QO
  • Current Rating: 20 A
  • Voltage Rating: 208Y/120 V AC
  • Mounting Type: Bolt-on
  • Number of Poles: 3P
  • Circuit Breaker Type: Ground fault protecting class A 6 mA
  • Ratings: Not rated
  • Electrical Connection: Box lugs
  • Inturrupt Rating: 10 kA 208Y/120 V AC 50/60 Hz
  • Number of Panel Spaces: 3
  • Wire Size: AWG 12...AWG 4 aluminium, AWG 14...AWG 6 copper
  • Tightening torque: 40.71 lbf.in (4.6 N.m) 0.00...0.02 in2 (2.5...10 mm2) AWG 16...AWG 14), 40.71 lbf.in (4.6 N.m) 0.01...0.03 in2 (4...20 mm2) AWG 12...AWG 4)
  • Height: 104.65 mm (4.12 in)
  • Depth: 73.91 mm (2.91 in)
  • Width: 57.15 mm (2.25 in)
  • Certifications: UL listed, CSA
  • Ambient Rating: 104 Degree F (40 Degree C)
  • Authentic Square D Product
  • Dimensions (H x W x L): 4.12" x 2.25" x 2.91"
  • 3 phase

Alt model: q0b320gfi

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FREE Shipping on orders over $49.

Simply Breakers offers one to five day delivery. The variation depends on the warehouse location for the product(s).

1-Year Warranty

All products carry a 1-year warranty from Simply Breakers. All of our breakers are authentic and factory new.

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

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In rare circumstances, Simply Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

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