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| PartNumber | 1C40UM | 1C40UL | 1C40UR |
| Description | Circuit Breakers 40A MCB CCHAR 1pl 277VAC UL508 | Circuit Breakers 40A, C CHAR, 1POLE 277VAC, UL489 | Circuit Breakers 40A,MCB C CHAR 1 PL, 277VAC, UL1077 |
| Manufacturer | Altech | - | Altech |
| Product Category | Circuit Breakers | - | Circuit Breakers |
| RoHS | Y | - | - |
| Series | UM | - | UR |
| Current Rating | 40 A | - | 40 A |
| Voltage Rating AC | 277 VAC | - | 277 V |
| Voltage Rating DC | 24 VDC | - | - |
| Number of Poles | 1 Pole | - | 1 Pole |
| Actuator Type | Handle | - | Handle |
| Minimum Operating Temperature | - 25 C | - | - |
| Maximum Operating Temperature | + 55 C | - | - |
| Illuminated | Not Illuminated | - | Not Illuminated |
| Termination Style | Box Clamp, Ring Tongue | - | Box Clamp Ring Tongue |
| Voltage Rating | 277 VAC, 24 VDC | - | - |
| Brand | Altech | - | - |
| Mounting Style | DIN Rail Mount | - | DIN Rail |
| Product Type | C-Trip Circuit Breakers | - | - |
| Factory Pack Quantity | 12 | - | - |
| Subcategory | Circuit Breakers | - | - |
| Product | - | - | Circuit Protection Devices |
| Type | - | - | C-Trip |
| Operating Temperature Range | - | - | - 25 C to + 55 C |