The S87R11A2B1D1-120 from TE Connectivity / P&B Brand is chassis mount double pole double throw (DPDT) power relay with 120VAC coil voltage and 800 Ohms coil resistance. This relay has 20A contact curent and 277VAC max switching voltage. Dimensions of this relay are: 52.6 mm x 41.1 mm x 61.5 mm. Operating temperature range is from -10°C to 65°C.