Square D QOB2040 2-Pole 40A 120/240V Circuit Breaker

The Square D QOB2040 is a 40A, 2-pole, 120/240V circuit breaker from the QOB Bolt-On series. Rated at 10kA @ 240V interrupting capacity. Features LI trip function. Bolt-On mounting. Call AllBreakerSales.com for same-day quotes and nationwide shipping.

QOB2040 Specifications

SpecificationValue
Amperage40A
Poles2
Voltage120/240V
Interrupt Rating10kA @ 240V
Frame SizeQO Frame
Mounting TypeBolt-On
Trip TypeThermal Magnetic
Trip FunctionLI
Wire Size14–4 AWG
Phase3-Phase
StandardsUL 489, CSA
Temperature Rating40°C

Key Features

  • UL 489 listed
  • Bolt-on mounting
  • Visi-Trip indicator

Applications

  • Residential branch circuits
  • HVAC
  • Water heaters

Buy QOB2040 Circuit Breaker

Square D QOB Bolt-On 40A 2-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.

Brand: Square D | Series: QOB Bolt-On | Catalog Number: QOB2040

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