This tripping coil is used for the instantaneous remote tripping of the MasterPact MTZ circuit breaker. In conjunction with an XF closing coil and an MCH motor operator, the MasterPact can be remotely controlled. Tripping occurs instantaneously via Modbus communication. The tripping coil includes a diagnostic function that can be called up via Modbus communication. Instantaneous voltage release MX/XF diag&,com 277V AC for MasterPact MTZ spare part. This tripping coil can be ordered separately as a spare part for the XF closing coil and MX breaking coil.