Item Type: Time Relay Model: ST3PF Installation Method: Plug In Delay Type: Power Off Delay Coil Rated Voltage: AC 200-220V 1Good Control: After the power off, the normally open point is delayed until the set time to close and ensure great control. 2Smart Timing: This relay enables easy time adjustment, smaller the timing range, higher the delay accuracy, very reliable. 3Reliable Use: With 10000 times mechanical life and electrical life, large in carrying current and low in power consumption. 4Safer Casing: Equipped with flame retardant PVC casing, the relay controller has excellent durability for long term using. 5Easy to Install: Compact in size and light in weight as well, the plug in installation is very simple to finish in minutes.1 x Time Relay