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| PartNumber | 2Z20UL | 2Z20UM | 2Z20 |
| Description | Circuit Breakers 2Z20UL, 20A, CIRCUIT BREAKER | Circuit Breakers 20A MCB ZCHAR 1P+N 277VAC UL508 | |
| Manufacturer | Altech | Altech | Altech |
| Product Category | Circuit Breakers | Circuit Breakers | Circuit Breakers |
| Brand | Altech | Altech | - |
| Factory Pack Quantity | 6 | 6 | - |
| Subcategory | Circuit Breakers | Circuit Breakers | - |
| RoHS | - | Y | - |
| Series | - | UM | UM |
| Current Rating | - | 20 A | 20A |
| Voltage Rating AC | - | 277 VAC | 277 V |
| Voltage Rating DC | - | 80 VDC | 80 VDC |
| Number of Poles | - | 2 Pole | 2 Pole |
| Actuator Type | - | Handle | Handle |
| Minimum Operating Temperature | - | - 25 C | - |
| Maximum Operating Temperature | - | + 55 C | - |
| Illuminated | - | Not Illuminated | Not Illuminated |
| Termination Style | - | Box Clamp, Ring Tongue | Box Clamp Ring Tongue |
| Voltage Rating | - | 277 VAC, 80 VDC | 277 VAC 80 VDC |
| Mounting Style | - | DIN Rail Mount | DIN Rail |
| Product Type | - | Z-Trip Circuit Breakers | - |
| Product | - | - | Circuit Protection Devices |
| Type | - | - | Z-Trip |
| Operating Temperature Range | - | - | - 25 C to + 55 C |