.svg?v=180920048278408794651747892223){kind=small}
BJ3125 | Eaton BR Thermal Magnetic Circuit Breaker
- Regular price
- $967.00
- Sale price
- $967.00
- Regular price
-
Couldn't load pickup availability
Do you need help?
Product Description P/N: BJ3125
Description
The Eaton BJ3125 is a 125A, 120/240V molded case circuit breaker designed for three-phase electrical distribution systems. Part of the BJ Series originally offered under Westinghouse, Bryant, and Cutler-Hammer brands, this breaker features thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. Its plug-in configuration and 10 kA interrupt rating at 240V make it suitable for medium-duty commercial and industrial applications.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Eaton |
| Category | Circuit Breaker |
| Part Number | BJ3125 |
| Subcategory | Molded Case Circuit Breaker |
| Family | BJ Series |
| Type | BJ |
| Voltage Rating | 120/240 V |
| Amperage Rating | 125 A |
| Phase | 3-Phase |
| Poles | 3 |
| Protection Type | Thermal Magnetic |
| Trip Functions | LI – Long-Time & Instantaneous |
| AIC Rating | 10 kA @ 240 V |
| Connection Style | Plug-In |
| Temperature Rating | 40 °C |
| Interrupting Class | Standard |
Information About BJ3125
The BJ3125 belongs to Eaton’s BJ Series of molded case circuit breakers, a product line known for its compatibility across legacy Westinghouse, Bryant, and Cutler-Hammer panel systems. Its thermal-magnetic trip mechanism provides dependable overload and short-circuit protection using Long-Time and Instantaneous trip elements. The breaker’s 3-pole design makes it suitable for three-phase systems, supporting 125A loads in a 120/240V environment. With a 10 kA interrupting capacity and plug-in connection, the BJ3125 offers straightforward installation and reliable electrical engagement for a wide range of distribution applications.
Key Features:
- Thermal-magnetic trip: Provides overload and short-circuit protection.
- LI trip functions: Long-Time and Instantaneous protection for balanced circuit response.
- 125A, 120/240V rating: Suitable for medium to heavy-duty three-phase applications.
- 10 kA interrupt rating: Safely interrupts fault currents at 240V.
- BJ Series compatibility: Fits Eaton, Westinghouse, Bryant, and Cutler-Hammer style panelboards.
- 3-pole configuration: Supports three-phase electrical distribution.
- Plug-in connection: Enables fast, secure installation and replacement.
- 40°C rating: Designed for standard operating temperatures in commercial and industrial environments.
The BJ3125 delivers the reliability and precision required for dependable protection in commercial, industrial, and legacy panelboard applications.
Description
The Eaton BJ3125 is a 125A, 120/240V molded case circuit breaker designed for three-phase electrical distribution systems. Part of the BJ Series originally offered under Westinghouse, Bryant, and Cutler-Hammer brands, this breaker features thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. Its plug-in configuration and 10 kA interrupt rating at 240V make it suitable for medium-duty commercial and industrial applications.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Eaton |
| Category | Circuit Breaker |
| Part Number | BJ3125 |
| Subcategory | Molded Case Circuit Breaker |
| Family | BJ Series |
| Type | BJ |
| Voltage Rating | 120/240 V |
| Amperage Rating | 125 A |
| Phase | 3-Phase |
| Poles | 3 |
| Protection Type | Thermal Magnetic |
| Trip Functions | LI – Long-Time & Instantaneous |
| AIC Rating | 10 kA @ 240 V |
| Connection Style | Plug-In |
| Temperature Rating | 40 °C |
| Interrupting Class | Standard |
Information About BJ3125
The BJ3125 belongs to Eaton’s BJ Series of molded case circuit breakers, a product line known for its compatibility across legacy Westinghouse, Bryant, and Cutler-Hammer panel systems. Its thermal-magnetic trip mechanism provides dependable overload and short-circuit protection using Long-Time and Instantaneous trip elements. The breaker’s 3-pole design makes it suitable for three-phase systems, supporting 125A loads in a 120/240V environment. With a 10 kA interrupting capacity and plug-in connection, the BJ3125 offers straightforward installation and reliable electrical engagement for a wide range of distribution applications.
Key Features:
- Thermal-magnetic trip: Provides overload and short-circuit protection.
- LI trip functions: Long-Time and Instantaneous protection for balanced circuit response.
- 125A, 120/240V rating: Suitable for medium to heavy-duty three-phase applications.
- 10 kA interrupt rating: Safely interrupts fault currents at 240V.
- BJ Series compatibility: Fits Eaton, Westinghouse, Bryant, and Cutler-Hammer style panelboards.
- 3-pole configuration: Supports three-phase electrical distribution.
- Plug-in connection: Enables fast, secure installation and replacement.
- 40°C rating: Designed for standard operating temperatures in commercial and industrial environments.
The BJ3125 delivers the reliability and precision required for dependable protection in commercial, industrial, and legacy panelboard applications.