DESCRIPTION |
FEATURES |
SPECIFICATIONS |
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DESCRIPTION
The **Circuit Breaker – 40 Amp (W31-X2M1G-40)** is a thermal circuit breaker manufactured by **TE Connectivity (Potter & Brumfield)**, designed for reliable overcurrent protection in certified aircraft electrical systems. This compact, single-pole breaker features a toggle actuator with a clear trip indication, providing consistent performance under normal operating and overload conditions.
Engineered for panel-mount applications, the W31-Series breaker is suitable for protecting avionics, power distribution, and auxiliary electrical circuits. Its robust construction and thermal series trip mechanism make it ideal for repeated operation, long-term reliability, and compliance with aviation maintenance, repair, and overhaul (MRO) requirements.
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## Applications
- Provides overcurrent protection for aircraft and certified electrical systems
- Panel-mounted protection for avionics, lighting, and auxiliary power circuits
- Used in aircraft maintenance, repair, and overhaul (MRO) requiring certified breaker components
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## Why CJ Aerospace?
CJ Aerospace supplies high-quality aircraft electrical components for certified aviation operations.
We support operators and MROs with genuine parts, responsive service, and technical product expertise.
- 🇦🇺 **Australian-owned & operated**
- 📦 **Stocked locally in Australia for fast dispatch**
- 🔍 **Specialist knowledge of aircraft electrical components & circuit protection**
- 🧰 **Used by leading MROs & maintenance professionals**
> ✉️ [Contact us sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au)
> Need installation guidance or technical documentation? Contact CJ Aerospace for expert support.
FEATURES
- Compact and robust design suitable for repeated use
- Thermal series trip mechanism ensures reliable circuit protection
- Toggle actuator with visible trip indication for easy monitoring
- Panel-mount installation with secure screw terminations
- Designed for long service life in demanding electrical environments
SPECIFICATIONS
Package Dimensions
| Length | 9.7 cm |
| Height | 1.9 cm |
| Width | 7.6 cm |
| Weight | 82 g |
Details
| **Specification** | **Detail** |
|--------------------------------------|----------------------------------|
| **Product Number** | W31-X2M1G-40 |
| **Product Series** | W31-Series |
| **Part Type** | Thermal Circuit Breaker |
| **Current Rating (amps)** | 40 A |
| **Voltage Rating – AC/DC** | 240 V AC / 50 V DC |
| **No. of Poles** | 1 |
| **Actuator Type** | Toggle with trip indication |
| **Mounting Type** | Panel mount (threaded bushing) |
| **Breaker Type** | Thermal Series Trip |
| **Termination** | Screw terminals (8-32) |
| **Interrupt Capacity** | 1000 A @ 240 V AC / 50 V DC |
| **Manufacturer** | TE Connectivity (Potter & Brumfield) |
BROCHURES & DOCUMENTATIONS
List of Brochures
List of Documentation
VIDEO
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