Dual thermostat (contact breaker, normally closed) for regulating heaters.
Dual thermostat (contact maker, normally open) for regulating filter fans and heat exchangers or switching signal devices when temperature limit has been exceeded.
Dual thermostat(contact maker, normally open) for regulating filter fans and heat exchangers or switching signal devices when Dual thermostat limit has been exceeded.
*For regulating heat exchangers and fans (e.g. LE 019) and as an alarm contact for monitoring the interior temperature of electronic enclosures.