SPNO, SPDT, DPNO, & DPDT General Purpose Switching Relay

spnoHartland Controls Littelfuse HCR-5 SPNO and SPDT General Purpose Switching Relays are used in applications such as HVAC systems, standby power supplies, and telephoneHartland Controls Littelfuse HCR-5 SPNO and SPDT General Purpose Switching Relays are used in applications such as HVAC systems, standby power supplies, and telephone