MARS 34602 Restring Kit The internal normally closed (NC)
Platform notes & fabric story
Description
MARS 34602 Restring Kit The internal normally closed (NC) The internal normally closed (NC) contacts are calibrated for a precise pick up voltage range of 323 352V and a drop out voltage of 75 135V This single pole single throw (SPST) switch is designed to detect flame rollout—a dangerous condition where combustion occurs outside the heat exchanger—protecting the burner enclosure and surrounding components from thermal damage