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SIEMENS 3VA1112-4EE36-0AA0 88-125A Circuit Breaker
- Low-voltage power distribution systems
- Motor and line protection in industrial facilities
- Short-circuit and overload protection in panels
- High breaking capacity applications
- MCCB systems operating in high-temperature environments
- Model: 3VA1112-4EE36-0AA0
- Series: SENTRON 3VA1
- Type: Molded Case Circuit Breaker (MCCB)
- Poles: 3-pole
- Rated Current (In): 125 A
- Adjustable Thermal Protection (Ir): 88 A – 125 A
- Magnetic Protection (Ii): 10 × In (1250 A)
- Breaking Capacity (Icu):
- 36 kA @ 415 V AC
- 55 kA @ 240 V
- 25 kA @ 440 V
- 7 kA @ 500–690 V
- Protection Type: TM220 thermal-magnetic trip unit (LI characteristic)
| Specification | Value |
|---|---|
| Insulation Voltage (Ui) | 800 V |
| Rated Operational Voltage (Ue) | 690 V AC / 500 V DC |
| Mechanical Life | 20,000 operations |
| Electrical Life (AC-1, 415 V) | 9,000 operations |
| Electrical Life (AC-1, 690 V) | 6,300 operations |
| Power Loss (max) | 28.1 W |
| Current Rating (40–70°C) | 125 A @ 40°C → 114 A @ 70°C |
| Dimensions (H x W x D) | 130 mm x 76.2 mm x 70 mm |
| Weight | 1.029 kg |
| Connection Type | Front box terminal |
| Conductor Size | 1 x (1.5 – 70 mm²) stranded |
| Terminal Arrangement | N, 1, 3, 5 top terminals |
| Earth Leakage Protection | Not included |
| Communication Function | Not included |
| Trip Indicator / Undervoltage Release | Not included |