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| PartNumber | 3E03UM | 3E075UM | 3E05UM |
| Description | Circuit Breakers .3A CRT BRKR ECHAR 277VAC UL508 | Circuit Breakers .75A CRT BKR ECHAR 277VAC UL508 | Circuit Breakers .5A CRT BRKR ECHAR 277VAC UL508 |
| Manufacturer | Altech | Altech | Altech |
| Product Category | Circuit Breakers | Circuit Breakers | Circuit Breakers |
| RoHS | Y | - | - |
| Series | UM | UM | UM |
| Current Rating | 300 mA | 0.75A | 0.5A |
| Voltage Rating AC | 277 VAC | 277 V | 277 V |
| Voltage Rating DC | 80 VDC | 80 VDC | 80 VDC |
| Number of Poles | 3 Pole | 3 Pole | 3 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 |
| Voltage Rating | 277 VAC, 80 VDC | 277 VAC 80 VDC | 277 VAC 80 VDC |
| Brand | Altech | - | - |
| Mounting Style | DIN Rail Mount | DIN Rail | DIN Rail |
| Product Type | E-Trip Circuit Breakers | - | - |
| Factory Pack Quantity | 4 | - | - |
| Subcategory | Circuit Breakers | - | - |
| Product | - | Circuit Protection Devices | Circuit Protection Devices |
| Type | - | E-Trip | E-Trip |
| Operating Temperature Range | - | - 25 C to + 55 C | - 25 C to + 55 C |