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Eaton BR140 40A 1-pole Type BR circuit breaker
Eaton BR140 40A 1-pole Type BR circuit breaker

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Eaton

Eaton BR140 40A 1-Pole 120/240V 10kAIC Type BR Circuit Breaker

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SKU: BR140 NEW
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$15.99
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Overview

The Eaton BR140 is a 40 amp, single-pole thermal-magnetic circuit breaker engineered for Eaton Type BR loadcenters. Its one-inch plug-on design provides dependable branch-circuit overcurrent protection in 120/240 VAC residential and light-commercial systems.

Key Features

  • Reliable protection: Thermal-magnetic operation protects conductors from overloads and short circuits.
  • Installation: One-inch plug-on construction installs in compatible Type BR loadcenters.
  • Compatibility: Accepts #14–4 AWG copper or aluminum conductors and is intended for Type BR equipment.
  • Performance: 40 A rating with a 10 kAIC interrupting capacity at 120/240 VAC.

Specifications

  • Manufacturer: Eaton
  • Catalog number: BR140
  • Amperage: 40 A
  • Poles: 1
  • Voltage: 120/240 VAC
  • Interrupt rating: 10 kAIC
  • Mounting: Plug-on
  • Wire range: #14–4 AWG Cu/Al
  • Certification: UL 489
  • Compliance: Federal Specification W-C375
  • Dimensions: 3 in L × 3 in H × 1 in W

Common Applications

  • Residential branch-circuit protection in compatible Eaton Type BR loadcenters.
  • Lighting, appliance, HVAC, and general-purpose circuits requiring a 40 A single-pole breaker.
  • Maintenance and replacement work where the manufacturer specifies catalog number BR140.
  • Light-commercial Type BR distribution equipment operating within the listed ratings.

Free shipping on eligible orders over $90. Our shipping cutoff is 3 PM, Monday–Friday. Available shipping services and delivery estimates are shown at checkout.

See our shipping policy for eligibility and exclusions. Orders are delivered; our warehouse is closed to the public.

Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.

Product Specifications

  • Brand Eaton
  • Series BR
  • Model BR140
  • Breaker Type Regular Breaker and Thermal Magnetic
  • Frame Type NA
  • Phase 1 Phase
  • Pole 1 Pole
  • Voltage 120/240V
  • Amp 40
  • AIC Interrupting Rating 10 kA
  • Terminal Connection Box Lugs
  • Minimum Wire Gauge 14 AWG
  • Maximum Wire Gauge 4 AWG
  • Mounting Type Plug-ON,IN
  • Temperature Rating 104°F (40°C)
  • Certifications UL Listed