SPDT Non-Latching Relay PCB Mount, 230V ac Coil, 10 A. Relays have a test button, LED indication and mechanical flag indicator fitted as standard. The test button is colour coded and dual function, push to test or lift to latch. A removable marking label is fitted to each relay. The maximum switching voltage is 250Vac and the operating temperature is -20 to +60°C.