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| PartNumber | 1B5000 | 1B50 | 1B50UM |
| Description | Switch Bezels / Switch Caps Dl Button F Bezel/ Metal Dark Blue | Circuit Breakers 50A MCB B Char 1pl 277VAC UL508 | |
| Manufacturer | - | Altech | Altech |
| Product Category | - | Circuit Breakers | Circuit Breakers |
| Series | - | UM | UM |
| Product | - | Circuit Protection Devices | Circuit Protection Devices |
| Type | - | B-Trip | B-Trip |
| Mounting Style | - | DIN Rail | DIN Rail |
| Number of Poles | - | 1 Pole | 1 Pole |
| Current Rating | - | 50A | 50A |
| Termination Style | - | Box Clamp Ring Tongue | Box Clamp Ring Tongue |
| Voltage Rating | - | 277 VAC 24 VDC | 277 VAC 24 VDC |
| Operating Temperature Range | - | - 25 C to + 55 C | - 25 C to + 55 C |
| Actuator Type | - | Handle | Handle |
| Voltage Rating AC | - | 277 V | 277 V |
| Voltage Rating DC | - | 24 VDC | 24 VDC |
| Illuminated | - | Not Illuminated | Not Illuminated |