One model fits all SunLee 3-pole / 4-pole contactor (Below 75 Amps) Mounting Method: Chassis Mount Termination Type: 0.25" quick connect lugs (2) SPDT SPDT Circuit; two switches per DP contactor side Auxiliary switch for 3 and 4 pole contactors below 75 Amps, For SUNLEE brand, designed as an accessory to a 3-pole / 4-pole contactor and used to switch an auxiliary load below 10 amperes. SunLee auxiliary switch are compliant with the A2L refrigerant requirement of UL Category Control Number (CCN) LZGH2/LZGH8 for Annex JJ of UL 60335-2-40.