Blue Sea ML Series Solenoid Switch 500 Amp magnetic latching (bi-stable). 24 volt

500 Ampere Bi-Stable Magnetic Latching Solenoid allows high-amp switching under load where manual control is not required.
500 Ampere continuous rating
Bi-Stable Magnetic Latch (ML) draws no current in the ON or OFF state
LED output to remotely indicate switch state (requires LED)
3 8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance
7 8" (22mm) stud length accepts multiple cable terminals
Label recesses for circuit identification
Silver alloy contacts provide high reliability for switching live loads
Includes Remote Control Contura Switch 2145

Solenoid vs Remote Battery Switch Explained
Solenoid: An electronic switch with no manual control, forcircuits where a manual battery disconnect is offered elsewhere in the circuit.
Remote Battery Switch: A solenoid or relay with a manual control switch allowing for switching if control circuit is compromised and for service lockout.