| PartNumber | 1B10UM | 1B10UR |
| Description | Circuit Breakers 10A MCB B Char 1pl 277VAC UL508 | Circuit Breakers 1 POLE, 277VAC UL1077 |
| Manufacturer | Altech | Altech |
| Product Category | Circuit Breakers | Circuit Breakers |
| RoHS | Y | Y |
| Series | UM | UR |
| Current Rating | 10 A | 10 A |
| Voltage Rating AC | 277 VAC | 277 VAC |
| Voltage Rating DC | 42 VDC | - |
| 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 |
| Voltage Rating | 277 VAC, 42 VDC | - |
| Brand | Altech | Altech |
| Mounting Style | DIN Rail Mount | DIN Rail Mount |
| Product Type | B-Trip Circuit Breakers | B-Trip Circuit Breakers |
| Factory Pack Quantity | 12 | 12 |
| Subcategory | Circuit Breakers | Circuit Breakers |