Home / CONTACTORS / Main Solenoids / MZJ-400 Main Contactor 24V, 36V & 48V MZJ-400 Main Contactor 24V, 36V & 48V$110.00 Voltage Choose an option24 Volt36 Volt48 VoltClear Add Optional Items :- Suppression Diode Only ($10.00) Pre-Charge Resistor Only ($12.00)