Supply voltage: 5.5 ... 13 V, DC Interface: NAMUR Connection: Connector, M12, Metal, 4 -pin Housing design: Cubic Dimensions: 20 mm x 85 mm x 42.2 mm Housing material: Metal Ambient temperature, operation: -20 ... 50 °C Ex device category: 2 Degree of protection: IP 67 Special design: Ex-protected