Blue Sea Systems 187-Series Circuit Breaker – Surface Mount 40A (BS7138)
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- Combines switching and circuit protection into a single device*
- Clear, single lever operation
- “Trip Free” design cannot be held “ON” during fault current condition
- Waterproof
- Recessed mounting holes for clean appearance
- Large Clearance around terminal studs accept heavy gauge wire lugs
- Robust 5/16 M8 terminals provide high torque connections
- Large lever with vertical/horizontal orientation provides indication of trip status
- Ignition protected – Safe for installation aboard gasoline powered boats
- Meets SAE J1171 external ignition protection requirements
* Do not use as a switch where high inrush currents are expected.
| Specifications | |
|---|---|
| Amperage | 40A |
| Maximum Voltage | 48V DC |
| Mounting | Surface Mount |
| Circuit Breaker Type | Thermally responsive Bi-metal blade |
| Terminal Stud Torque | 75 in-lb (8.47 Nm) |
Interrupt Capacity  |
5000A @ 14VDC 3000A @ 28VDC 1500A @ 48VDC |
| Minimum Operating Temperature | -40° C |
| Maximum Operating Temperature | 85° C |
| Case Material | Thermoset Polyester |
| Circuit Breaker Class | Type III – switchable/manual reset – trip free |
| Mounting Hole | Accept #10 (M5) Screw |
| Terminal Stud Size | 5/16″ – 18 |
| Weight | 0.58Lb (0.26 Kg) |
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