Trip Units Thermal magnetic trip units MA - Magnetic only trip unit with adjustable magnetic thresholds for motor protection TMF - Fixed thermal and fixed magnetic for power distribution TMD - Adjustable thermal (70-100%of In) and fixed magnetic (10 x In) for power distribution l TMA - Adjustable thermal (70-100% of In) and adjustable magnetic (5-10 of In) for power distribution TMG - Adjustable thermal (70-100% of In) and low fixed magnetic (3 x In) for generator protection