| PartNumber | 1BU20R | 1BU25R | 1BU2R |
| Description | Circuit Breakers 20A B Characteristic UL 1077 1 POLE | Circuit Breakers 25A B Characteristic UL 1077 1 POLE | Circuit Breakers 2A B Characteristic UL 1077 1 POLE |
| Manufacturer | Altech | Altech | Altech |
| Product Category | Circuit Breakers | Circuit Breakers | Circuit Breakers |
| RoHS | Y | Y | Y |
| Series | R | R | R |
| Current Rating | 20 A | 25 A | 2 A |
| Voltage Rating AC | 277 VAC | 277 VAC | 277 VAC |
| Number of Poles | 1 Pole | 1 Pole | 1 Pole |
| Actuator Type | Handle | Handle | Handle |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 40 C | + 40 C | + 40 C |
| Illuminated | Not Illuminated | Not Illuminated | Not Illuminated |
| Termination Style | Screw | Screw | Screw |
| Voltage Rating | 277 VAC | 277 VAC | 277 VAC |
| Brand | Altech | Altech | Altech |
| Mounting Style | DIN Rail Mount | DIN Rail Mount | DIN Rail Mount |
| Product Type | B-Trip Circuit Breakers | B-Trip Circuit Breakers | B-Trip Circuit Breakers |
| Factory Pack Quantity | 12 | 12 | 12 |
| Subcategory | Circuit Breakers | Circuit Breakers | Circuit Breakers |