D4B - N Safety Interlock Switches The D4B-n Series limit switches have been designed for sensitive equipment where accurate switchi9ng is required. The snap-action contacts provide this accurate switching with safe operation via direct drive positive opening mechanism. They come with two sets of contacts, one NC for safety circuits and the other NO for control circuits. Rated insulated voltage: 600 Vac
Operating temperature range: -40 to +80 °C with no icing (-25 to 80 °C for the flexible-rod type)
Degree of protection: IP67