Blue Sea Systems
Blue Sea Systems 7546 C-Series 50A Flat Rocker Breaker
Blue Sea Systems 7546 C-Series 50A Flat Rocker Breaker
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Blue Sea Systems C-Series Single-Pole 50A Flat Rocker Circuit Breaker (7546-BSS / 7546)
The Blue Sea Systems 7546-BSS (Catalog SKU: 7546 / 7546B) is a high-amperage C-Series Single-Pole 50A Magnetic-Hydraulic Circuit Breaker featuring a low-profile Flat Rocker Actuator. Engineered for overcurrent protection in main AC/DC panels, windlasses, high-draw marine electronics, and inverter sub-feeds, it combines circuit switching and current protection into a single module.
Designed specifically for flush mounting in Blue Sea Systems 360 Panels and SMS enclosures, the flat rocker actuator lies flush with the panel face in the "ON" position. This eliminates the risk of accidental mechanical snagging or unwanted switching in narrow companionways or busy helm stations. The internal magnetic-hydraulic trip mechanism ensures stable trip calibration unaffected by ambient temperature changes, while an internal "Trip-Free" mechanism guarantees the circuit opens during an overcurrent event even if the rocker is held on.
- Rocker actuator is flush in the “ON” position, eliminating the risk of accidential switching
- Color actuator indicates “OFF” position
- Provides overcurrent protection for inverters, bow thrusters, and windlasses
- Combines switching and circuit protection into a single device
- “Trip Free”—cannot be held closed after trip
- Ignition protected—safe for installation aboard gasoline powered boats
| Specifications | |
|---|---|
| Amperage |
50A AC 50A DC |
| Actuator Style |
Flat Rocker |
| Poles |
1 |
| Maximum Voltage |
240V AC 48V DC |
| Circuit Breaker Type |
Magnetic Hydraulic - trip free |
| Terminal Stud Torque |
35 in-lb (3.95 Nm) |
| Interrupt Capacity |
3000A @ 120V AC 3500A @ 240V AC 5000A @ 32V DC |
| Minimum Operating Temperature |
-40° C |
| Maximum Operating Temperature |
85° C |
| Mounting Screw |
6-32 Stainless Steel |
| Mounting Screw Torque |
6 in-lb (0.68 Nm) |
| Switching Cycles |
10000 |
| Terminal Stud |
1/4-20 Tin-Plated Brass |
| Weight | 0.55lb (0.25 kg) |

