Mechanical Interlock Switches: Switch Type - Guard Door Interlock; Switch Style - Rotating Head, (4) Position; Enclosure Rating - IP67; Construction - Plastic; Connection - M20 Conduit Entry; Voltage Rating - 250V AC/DC; Contact Rating - 3A; Actuator Contacts - 2NC; Actuator Style - Standard; Operating Temperature - 14 to 131 Deg F (-10 to 55 Deg C); Additional Information - Weight: 0.37 kg (0.81 lb). Model: D4NL-4CFA-B; Manufacturer Series - D4NL