Skip to main content
RHS Boating & Marine

Magnetic Toggle-Reset Marine Circuit Breaker - 5A, Overload Protection SP370

$48.85 each
Brand: RHS Boating & Marine – Boat Parts, Marine Accessories & Boating Supplies

+
–
The add to cart button will appear once you select the values above

SP370 is the 5A magnetic toggle-reset breaker for a circuit requiring this current rating and reset style.

Magnetic overload circuit breaker with toggle-switch reset.

  • Current rating: 5A

This resettable component is a practical choice to consider when servicing an electrical control panel that uses a matching magnetic breaker. The toggle provides an identifiable reset control at the panel, making it useful where the protected circuit needs to be restored after an overload has been resolved. When carrying a spare, record which circuit and panel position it belongs to so it can be identified readily during maintenance.

Select the breaker using the circuit design, cable capacity and connected equipment requirements. Compare its current rating with the specified replacement, then verify the mounting arrangement and terminal layout against the existing component. A familiar toggle shape alone is insufficient to establish suitability. For new wiring, have the protection arrangement checked as part of the overall installation, including operating demand and any equipment starting load.

Plan the panel position so the toggle can be reached easily and its circuit label remains visible. Behind the panel, allow room for the wiring and connections without placing strain on the terminals. Isolate the relevant electrical supply before replacement work, support the cables independently and check the security of each connection before returning the circuit to use. Keep a simple wiring record with the vessel's maintenance information.

A trip should prompt an inspection of the circuit and connected equipment before the breaker is reset. Follow the equipment manufacturer's fault-finding guidance and resolve the underlying cause. As part of regular checks, look for loose mounting hardware, discoloured connections or damaged cable insulation. Keeping the control panel accessible helps make these checks practical and gives whoever operates the boat a clear understanding of the circuit being protected.

After replacement, check the operation of the connected equipment using the recommended commissioning procedure. Confirm that the panel label corresponds to the actual circuit before handing the boat back to its operator.