SWITCH MODULE IN A MOULDED CASING FOR A CIRCUIT BREAKER AND CIRCUIT BREAKER IN A MODULAR MOULDED CASING

The present invention discloses a single-pole switch module (4, 9, 10, 11) made of insulating material in which said switch module (4, 9) includes a built-in thermomagnetic trip unit (4r, 9r) or said module (10, 11) includes a current-measurement and power-supply unit (10h, 11i) for an electronic controller (W); or discloses a multi-pole circuit breaker in a moulded casing (1a, 1b, 1c, 1d) for low voltages, in which said low-voltage circuit breaker (1a, 1b) includes single-pole switch modules (4, 4', 4'', 9, 9', 9'') that interact in association with the release unit (8) with said operation and trip mechanism (2), or a circuit breaker (1c, 1d) for low voltages, including single-pole switch modules (10, 10', 10'', 11, 11', 11''), in which said current-measurement and power-supply unit (10h, 11i) interacts in association with said operation and trip mechanism (2'). 本发明公开了一种由绝缘材料制成的单极开关模块(4、9、10、11)，其中，所述开关模块(4、9)包括内置的热磁跳闸单元(4r、9r)，或者所述模块(10、11)包括用于电子控制器(W)的电流测量及电源单元(10h、11i)；或者公开了一种用于低压的模制壳体中的多极断路器(1a、1b、1c、1d)