FIELD: electrical engineering.
SUBSTANCE: invention relates to the field of electrical engineering and energy and can be used for prompt emergency shutdown of electrical equipment when exposed to high temperatures. According to the invention, simultaneous use of the automatic phase shutdown mechanism and the zero N shutdown mechanism as part of the circuit breaker, as well as the fire extinguishing aerosol generator (EAG) together with the electric EAG igniter, the initiating temperature-sensitive device (t1) and the shutdown temperature-sensitive device (t2) located in the zone exposure to heat generated during the operation of the fire-extinguishing aerosol generator module (EAG); in this case, the initiating temperature-sensitive device (t2) and the switching-off temperature-sensitive device (t1) are connected in series with each other.
EFFECT: ensuring reliable shutdown of electrical equipment and increasing the speed of primary fire extinguishing.
4 cl, 8 dwg
