It is a long terminal cover for 4-pole ComPact NSXm and PowerPacT B devices. It is designed to protect against direct contact with the circuit. The long terminal cover is used for connection to cables or insulated busbars. It can be mounted in front of and behind the circuit breaker. The degree of protection is IP40, IK07. It can be fitted after the product has been installed and can be removed and refitted even in the presence of auxiliary wires.