The Blue Sea 187-Series 50A Thermal Circuit Breaker Panel Mount (7039-BSS) from Nomadic Supply Company®.The Blue Sea 7039 187 Series Panel Mount Thermal Circuit Breaker 50A provides circuit protection for 70A loads when switching and circuit protection are both required.NOTE: Do not use as a switch where high inrush currents are expected.
Blue Sea 187-Series 50A Thermal Circuit Breaker Panel Mount (7039-BSS) Features:
- 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
Blue Sea 187-Series 50A Thermal Circuit Breaker Panel Mount (7039-BSS) Specifications:
| Amperage | 70A |
| Maximum Voltage | 48vDC |
| Mounting | Surface Mount |
| Circuit Breaker Type | Thermally responsive Bi-metal blade |
| Terminal Stud Torque | 75 in-lb (8.47 Nm) |
| Interrupt Capacity | 5000A @ 12V 3000A @ 24V 1500A @ 42V |
| 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 |
