Siemens 4NO Non-Latching Relay DIN Rail, 230V ac Coil, 16 A. Terminal Type: Screw. Series: 5TT4. Maximum Switching Voltage AC: 400V ac. Length: 36mm. Depth: 70mm. Height: 90mm. Dimensions: 36 x 70 x 90mm. Coil Power: 6W. Life: 50000 (Electrical) cycles. Maximum Operating Temperature: +40°C. Isolation Coil To Contact: 4kV. MPN: 5TT4204-0