The Siemens SENTRON 3VA1110-5GE42-0AA0 Molded Case Circuit Breaker (MCCB) is a 4-pole, Frame 160 circuit breaker designed for dependable line protection in low-voltage power distribution systems. It features a 100 A rated current, 55 kA breaking capacity at 415 V AC (Class M), and a TM220 thermal-magnetic trip unit (ATFM). The thermal overload protection is adjustable from 70 A to 100 A, while the magnetic short-circuit protection is fixed at 10 × In. The breaker also provides 100% neutral conductor protection and includes a nut keeper kit for secure installation. It is ideal for industrial, commercial, and infrastructure power distribution applications.
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Series | SENTRON 3VA1 |
| Model Number | 3VA1110-5GE42-0AA0 |
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Frame Size | 160 |
| Number of Poles | 4 |
| Rated Current (In) | 100 A |
| Rated Operational Voltage | Up to 690 V AC |
| Breaking Capacity (Icu) | 55 kA at 415 V AC |
| Breaking Capacity Class | M |
| Trip Unit | TM220 (ATFM) |
| Overload Protection (Ir) | Adjustable 70–100 A |
| Short-Circuit Protection (Ii) | 10 × In |
| Neutral Protection | 100% |
| Insulation Voltage (Ui) | 800 V |
| Impulse Withstand Voltage (Uimp) | 8 kV |
| Connection Type | Front Screw Connection |
| Operating Mechanism | Toggle Handle |
| Mounting | Fixed Mount |
| Mechanical Endurance | 15,000 Operating Cycles |
| Electrical Endurance | 8,000 Operating Cycles (AC-1, 380/415 V) |
| Accessories Included | Nut Keeper Kit |
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