| PartNumber | 1D2UR | 1D2UM | 1D2UL |
| Description | Circuit Breakers 2A,MCB D CHAR 1 PL, 277VAC, UL1077 | Circuit Breakers 2A D Characteristic UL 508 1 POLE | Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489 |
| Manufacturer | Altech | Altech | Altech |
| Product Category | Circuit Breakers | Circuit Breakers | Circuit Breakers |
| RoHS | Y | - | - |
| Series | UR | UM | UL |
| Current Rating | 2 A | 2.0A | 2 A |
| Voltage Rating AC | 277 VAC | 277 V | 277 V |
| Number of Poles | 1 Pole | 1 Pole | 1 Pole |
| Actuator Type | Handle | Handle | Handle |
| Minimum Operating Temperature | - 25 C | - | - |
| Maximum Operating Temperature | + 55 C | - | - |
| Illuminated | Not Illuminated | Not Illuminated | Not Illuminated |
| Termination Style | Box Clamp, Ring Tongue | Box Clamp Ring Tongue | Box Clamp Ring Tongue |
| Brand | Altech | - | - |
| Mounting Style | DIN Rail Mount | DIN Rail | DIN Rail |
| Product Type | D-Trip Circuit Breakers | - | - |
| Factory Pack Quantity | 12 | - | - |
| Subcategory | Circuit Breakers | - | - |
| Product | - | Circuit Protection Devices | Circuit Protection Devices |
| Type | - | D-Trip | D-Trip |
| Voltage Rating | - | 277 VAC 42 VDC | - |
| Operating Temperature Range | - | - 25 C to + 55 C | - 25 C to + 55 C |
| Voltage Rating DC | - | 42 VDC | - |