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| PartNumber | 2D40UM | 2D40UL | 2D40UR |
| Description | Circuit Breakers 40A MCB DCHAR 1P+N 277VAC UL508 | Circuit Breakers 40A, D CHAR, 2POLE 240VAC,UL489 | Circuit Breakers 2D40UR, 40A, MCB, D CHAR |
| Manufacturer | Altech | Altech | Altech |
| Product Category | Circuit Breakers | Circuit Breakers | Circuit Breakers |
| RoHS | Y | Y | - |
| Series | UM | UL | UR |
| Current Rating | 40 A | 40 A | - |
| Voltage Rating AC | 277 VAC | 240 VAC | - |
| Voltage Rating DC | 60 VDC | - | - |
| Number of Poles | 2 Pole | 2 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, 60 VDC | - | - |
| Brand | Altech | Altech | Altech |
| Mounting Style | DIN Rail Mount | DIN Rail Mount | - |
| Product Type | D-Trip Circuit Breakers | D-Trip Circuit Breakers | - |
| Factory Pack Quantity | 6 | 6 | 6 |
| Subcategory | Circuit Breakers | Circuit Breakers | Circuit Breakers |