HE721C2410 Reed Relay, SPDT, 24 VDC, HE700 Series, Through Hole, 2 kohm, 250 Ma. The HE721C2410 is a Standard Miniature Reed Relay with transfer moulded external shield body, SPDT-CO contact, coil suppression diode and through hole terminals. This HE700-series form-C relay features lower power coil consumption than competing electromechanical devices. Hermetically sealed switching contact is immune to the effects of its environment.