| PartNumber | 1C5UL | 1C5UM | 1C5UR |
| Description | Circuit Breakers 5A, C CHAR, 1POLE 277VAC, UL489 | Circuit Breakers 5A MCB CCHAR 1pl 277VAC UL508 | Circuit Breakers 5A,MCB C CHAR 1 PL, 277VAC, UL1077 |
| Manufacturer | Altech | Altech | - |
| Product Category | Circuit Breakers | Circuit Breakers | - |
| RoHS | Y | Y | - |
| Series | UL | UM | - |
| Current Rating | 5 A | 5 A | - |
| Voltage Rating AC | 277 VAC | 277 VAC | - |
| Number of Poles | 1 Pole | 1 Pole | - |
| Actuator Type | Handle | Handle | - |
| Minimum Operating Temperature | - 25 C | - 25 C | - |
| Maximum Operating Temperature | + 55 C | + 55 C | - |
| Illuminated | Not Illuminated | Not Illuminated | - |
| Termination Style | Box Clamp, Ring Tongue | Box Clamp, Ring Tongue | - |
| Brand | Altech | Altech | - |
| Mounting Style | DIN Rail Mount | DIN Rail Mount | - |
| Product Type | C-Trip Circuit Breakers | C-Trip Circuit Breakers | - |
| Factory Pack Quantity | 12 | 12 | - |
| Subcategory | Circuit Breakers | Circuit Breakers | - |
| Voltage Rating DC | - | 42 VDC | - |
| Voltage Rating | - | 277 VAC, 42 VDC | - |