The Eaton Cutler-Hammer FAZ-D15 1-NA-SP Miniature Circuit Breaker (T, UL489) is a UL489-listed protective device from the FAZ-D15 family that interrupts electrical current when an overcurrent condition is detected. Designed for use in electrical panels and distribution boards, it provides line-side protection for circuits and helps prevent insulation damage and fire risk by tripping at its rated threshold. The model designation 1-NA-SP (T) identifies its specific variant within the FAZ-D15 line.
