RELAY, SAFETY, 4PST, 21VDC, 6A, THROUGH; RELAY, SAFETY, 4PST, 21VDC, 6A, THROUGH HOLE; Coil Voltage VDC Nom:21V; Coil Resistance:666ohm; Contact Current Max:6A; Contact Voltage AC Nom:250V; Contact Voltage DC Nom:30V; Contact Configuration:3PST-NO / SPST-NC; No. of Poles:4