| Number of Poles | 2P |
| Current Rating | 40A |
| Tripping Characteristics | Type C |
| Breaking Capacity at Maximum Voltage Rating | 5 kA |
| Range | Sentron |
| Series | 5SJ4 |
| Circuit Breaker Type | MCB |
| Length | 90mm |
| Width | 36mm |
| Mounting Style | DIN Rail Mount |
| Depth | 76mm |
| Model Number | 5SJ4240-7HG42 |
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