| PartNumber | 3B15UR | 3B15UM |
| Description | Circuit Breakers 15A,MCB B CHAR 3PL 480Y/277VAC, UL1077 | Circuit Breakers 15A CRT BRKR BCHAR 277VAC UL508 |
| Manufacturer | Altech | Altech |
| Product Category | Circuit Breakers | Circuit Breakers |
| RoHS | Y | Y |
| Series | UR | UM |
| Current Rating | 15 A | 15 A |
| Voltage Rating AC | 277 VAC | 277 VAC |
| Number of Poles | 3 Pole | 3 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 | B-Trip Circuit Breakers | B-Trip Circuit Breakers |
| Factory Pack Quantity | 4 | 4 |
| Subcategory | Circuit Breakers | Circuit Breakers |
| Voltage Rating DC | - | 60 VDC |
| Voltage Rating | - | 277 VAC, 60 VDC |