Description
Blue Sea A-Series Black Toggle Circuit Breaker – Double Pole 40A
Model: 7239-BSS
- A-Series Black Toggle Circuit Breaker – Double Pole 40A
- The industry standard circuit breaker for Blue Sea Systems’ electrical panels
- Combines switching and circuit protection into a single device
- “Trip Free” design cannot be held “ON” during fault current condition
Specifications
| Amperage | 40A AC 40A DC |
| Color | Black |
| Poles | 2 |
| Maximum Voltage | 120V AC 240V AC 65V DC |
| Circuit Breaker Type | Magnetic Hydraulic – trip free |
| Minimum Operating Temperature | -40° C |
| Maximum Operating Temperature | 85° C |
| Switching Cycles | 10000 |




![BoatLIFE LifeSeal Sealant Cartridge – Cameo [1173]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/boatlife-lifeseal-sealant-cartridge-cameo-1173.webp)



![Ram Mount Universal D Size Ball Mount with Short Arm for 9″-12″ Fishfinders and Chartplotters [RAM-D-115-C]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/ram-mount-universal-d-size-ball-mount-with-short-arm-9-12-fishfinders-chartplott.webp)
