Eaton Type BR Circuit Breaker, 40A, 2-Pole, 120/240V – BR240
SKUBR240
The Eaton BR240 is a Type BR 1-inch plug-on thermal-magnetic circuit breaker. It is a two-pole, 40 A, 120/240 V breaker for Type BR loadcenters, with a common breaker trip and a 10 kAIC interrupt rating.
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Product Overview
The Eaton BR240 is a Type BR 1-inch plug-on thermal-magnetic circuit breaker. It is a two-pole, 40 A, 120/240 V breaker for Type BR loadcenters, with a common breaker trip and a 10 kAIC interrupt rating.
Type BR breakers plug onto the bus in Eaton Type BR panels. Match the ampere rating and wire size to the branch circuit design.
Best For
- Branch circuits in Eaton Type BR loadcenters: Where a 40 A two-pole breaker is specified.
- 120/240 V loads: Two-pole common-trip applications in BR panels.
Key Features & Specifications
| Specification | Details |
|---|---|
| Product type | Eaton BR thermal magnetic circuit breaker (Type BR 1-inch plug-on) |
| Catalog number | BR240 |
| Amperage rating | 40 A |
| Voltage rating | 120/240 V |
| Number of poles | Two-pole |
| Interrupt rating | 10 kAIC |
| Trip type | Common breaker trip |
| Mounting method | Plug-on |
| Wire size | #14-4 AWG Cu/Al |
| Used with | Type BR Loadcenters |
| Certifications | UL 489 |
| Compliances | Federal Specifications Classification W-C375 |
| Source | Eaton Specification Sheet for this catalog number (retrieved Oct 8, 2026) |
What You May Also Need
Usually required
- An Eaton Type BR loadcenter with an available two-pole space.
- Conductors sized for the breaker rating and the load.
May be required
- Load Centers & Panels: Eaton Type BR load centers and meter mains that accept Type BR breakers.
- Disconnects & Breakers: Related disconnects for outdoor isolation.
Optional upgrades
- Enclosures, Electrical & Safety: Related electrical balance-of-system hardware.
Check current manufacturer documentation before combining components, especially batteries, inverters, communications equipment and system-control hardware.
Important Considerations
- Use only in loadcenters listed for Type BR breakers.
- Confirm series ratings and hold-down requirements when the application requires them.
- Professional installation required. Follow Eaton instructions and the NEC.

