Abstract: A method for manufacturing a trip unit that connects to a circuit breaker. The method includes mounting an assembly formed by a shaft and a trip member in a first case, mounting a detecting member in a second case, and assembling the first case and the second case, a contact end cooperating mechanically with the trip member such that the trip member trips the circuit breaker in the assembled configuration of the trip unit when the corresponding detecting member detects an electric fault.

Abstract: A method for manufacturing a trip unit that connects to a circuit breaker. The method includes mounting an assembly formed by a shaft and a trip member in a first case, mounting a detecting member in a second case, and assembling the first case and the second case, a contact end cooperating mechanically with the trip member such that the trip member trips the circuit breaker in the assembled configuration of the trip unit when the corresponding detecting member detects an electric fault.

Abstract: The trip unit (10) according to the invention is capable of being connected to a circuit breaker and includes a first block (12) and a second block (14). The first block (12) comprises a first case (16) and a circuit breaker trip member (20) accessible from outside the first case (16). The second block (14) comprises a second case (26) and at least one member (28) for detecting an electric fault. The first block (12) and the second block (14) are two distinct blocks relative to one another and the first case (16) and the second case (26) are capable of being mechanically assembled to one another in an assembled configuration of the trip unit (10). Each contact end (62) is capable of mechanically cooperating with the trip member (20), when the corresponding detecting member (28) detects an electric fault.

Abstract: An auxiliary trip unit for a circuit breaker comprises: a drive part with a movable blade, a latch fitted pivoting around a swivelling axis and designed to secure the blade in a neutral position, against a flexible bias force, until movement of the latch takes place to a released position, a nose of the latch salient in a direction passing through the swivelling axis so as to comprise a salient end where positive latching of the blade on the latch takes place in the neutral position. The latch collaborates with the blade to receive a thrust force acting in the direction of resetting of the latch to its latching position.

Abstract: The trip unit (10) according to the invention is capable of being connected to a circuit breaker and includes a first block (12) and a second block (14). The first block (12) comprises a first case (16) and a circuit breaker trip member (20) accessible from outside the first case (16). The second block (14) comprises a second case (26) and at least one member (28) for detecting an electric fault. The first block (12) and the second block (14) are two distinct blocks relative to one another and the first case (16) and the second case (26) are capable of being mechanically assembled to one another in an assembled configuration of the trip unit (10). Each contact end (62) is capable of mechanically cooperating with the trip member (20), when the corresponding detecting member (28) detects an electric fault.

Abstract: An auxiliary trip unit for a circuit breaker comprises: a drive part with a movable blade, a latch fitted pivoting around a swivelling axis and designed to secure the blade in a neutral position, against a flexible bias force, until movement of the latch takes place to a released position, a nose of the latch salient in a direction passing through the swivelling axis so as to comprise a salient end where positive latching of the blade on the latch takes place in the neutral position. The latch collaborates with the blade to receive a thrust force acting in the direction of resetting of the latch to its latching position.