Operating Gap: 50mm Approx Contact: Single Reed Roller Shutter Single Reed Voltage Range: 100vdc 125vac Max Switching Current: 500mA Max DC - 500mA Max AC Temperature Range: -40degC to +50degC 457mm Cable protected by armoured sleeving Material: Aluminium IP67 sealed Environmental Class: 3 Tamper: N/A Dimensions: 150mm x40mm x 15mm