The 4-6437630-8 is a 1-pole single-pole double-throw (SPDT) standard lead wire hooking miniature Toggle Switch with on-off-(on) operating function. The F Series switches offer high performance industrial toggles with high current and high voltage rating in a small case, typically used for low energy switching. Electrical life is rated from 25.000 to 50.000 cycles at full load. The F Series switches are panel mounted with 6.0mm threaded bushing conforming to standard panel cut outs and are constructed of brass with chrome plating.