SPDT Relays Silver Nickel (AgNi) contact segment 277Vac 10A // 125Vac 20A. Relays coil: 5V 70Ω 360mW. Size 21mm x 21mm x 16mm. Cross Reference: HF152FD/5-1ZF / MR0824A Hongfa PCB Mount Non-Latching Relay.