Nanfeng ZJW50 A Contactor, 12V coil
$25.00
The ZJW50A model are rated to 50 amps continuous, but can handle up to 130A short term.
The solenoid is 12 volts to close the contacts which draws about .8 amps when energised.
Single-pole normally open
Terminals are 5/16" dia
These are a low-cost alternative to the Albright SW60.