The 285-Series Thermal Circuit Breaker is a direct drop-in replacement for the established 185-Series Thermal Circuit Breaker. The 285-Series breaker is available in panel mount and surface mount configuration, and can also be mounted in the 360 Panel System module or with one of two optional bezels. Blue Sea Systems offers the 285-Series Thermal Circuit Breaker as a drop-in replacement at lower cost. For a comparison of the 185-Series and 285-Series breakers, see the chart below.
185-Series | 285-Series | |
Amperage Interrupt Capacity | 3000A @ 48V DC* | 3000A @ 48V* DC |
Voltage Max Operating | 48V DC | 48V DC |
Amperage Trip Reference | 25–150A | 25–200A |
Temp Min Operating | −25°C | −40°C |
Temp Max Operating | 82°C | 85°C |
Type | Thermally responsive bi-metal blade | Thermally responsive bi-metal blade |
Class | Type III - Switchable Manual Reset - Trip Free | Type III - Switchable Manual Reset - Trip Free |
Reset Lever Color | Black | Yellow |
Mounting Hole | Accepts 1/4" Screw | Accepts 1/4" Screw |
Terminal Stud | 1/4"-28 | M6 |
Ring Terminal Required | 1/4" or M6 | M6 or 1/4" |
Ignition Protection | SAE J1171 | SAE J1171 |
Ingress Protection | IP67 | IP67 |
Locking Hardware | Split-ring lockwasher | Split-ring lockwasher |
* AIC rating achieved using SAE 1625