| 1CU02L Circuit Breaker 0.2A, 1 Pole, 277V AC, UL489 | Altech Corp. | | |
| 1CU6L Circuit Breaker 6A, 1 Pole, 277V AC, UL489 | Altech Corp. | | |
| 1CU12L Circuit Breaker 12A, 1 Pole, 277V AC, UL489 | Altech Corp. | | |
| 1CU20L Circuit Breaker 20A, 1 Pole, 277V AC, UL489 | Altech Corp. | | |
| 1DU02L Circuit Breaker 0.2A, 1 Pole, 277V AC, UL489 | Altech Corp. | | |
| FAZ-B35/1-NA-SP FAZ-B35/1-NA-SP Eaton - UL 489 Industrial Miniature Circuit Breakers - Supplemen... | Eaton | | |
| 2CU8L Circuit Breaker 8A, 2 Pole, 480Y/277V AC, UL489 | Altech Corp. | | |
| 2CU16L Circuit Breaker 16A, 2 Pole, 480Y/277V AC, UL489 | Altech Corp. | | |
| 2DU05L Circuit Breaker 0.5A, 2 Pole, 480Y/277V AC, UL489 | Altech Corp. | | |
| 2DU4L Circuit Breaker 4A, 2 Pole, 480Y/277V AC, UL489 | Altech Corp. | | |