52.0mm overall length 31.0mm overall width contact material is agsnin, rated load normally open is 10a 250vac, 10a 30vdc, normally closed 5a 250vac, 5a 30vdc, contact resistance is 100m ohm max
Used on wsd: nuclear power plants. 75.0mm overall length 22.5mm overall width sockets for miniature four pole, plug-in relay types 250v, two level integrated hold-down clip, 22-14 awg