G2RV-SR500 G2RV-SR700 DC24V YPE Relay G2RV-1-SG DC21V G2RV-SR500 DC24V is G2RV-SR500+ Relay G2RV-SR700 DC24V is G2RV-SR700+ Relay Relay for G2RV-1-SG 21VDC G2RV-SR500 Socket (Socket Only), No Relay G2RV-SR700 Socket (Socket Only), No Relay