The T90S1D12-24 is a 1-pole general-purpose Power Relay with DC coil, T90 series. 1 form-A (1NO) contact configuration, AgCdO2 contact. Wash-tight, sealed plastic case with knock off nib for ventilation. PCB terminals. Meets UL 508 and 873 spacing 3.18mm through air, 6.36mm over surface. UL class F insulation system standard.