ETW3 Series Intelligent Air Circuit Breakers
Applicable StandardsIEC
60947-2 GB/T 14048.2
Model and meaning
| ETW3 |
| Name |
| Intelligent Air Molded Case Circuit Breakers |
| 1600 | 3P | 630 |
| Frame Grade | Poles | Rated current |
| 1600 | 3P 4P |
200、400、630、800、1000、1250、1600 |
| 2000 | 3P | 630 |
| Frame Grade | Poles | Rated current |
| 2000 3200 4000 6300 |
3P 4P |
2000: 630、800、1000、 1250、1600、2000 3200: 2000、2500、2900、 3200 4000: 3200、3600、4000 6300: 4000、5000、6300 |
| M、H | AC230 | 1 |
| Smart Controller Code | Control loop supply voltage | Other configurations |
| M: Standard Smart Model H: (Advanced) Smart Model for Communication |
AC230: 230V AC AC400: 400V AC DC220: 220V DC DC110: 110V DC |
1. Undervoltage time-delay trip unit 2.Undervoltage instantaneous trip unit 3. Phase separator 4. Mechanical interlock (lever) 5. Mechanical interlock (cable) 6. One lock, one key 7. Two locks, one key 8. Three locks, two keys 9.Auxiliary contact configuration 10. Door frame 11. Horizontal wiring 12. Vertical wiring |
Main Technical Specifications
| Model and frame current | ETW3-1600 | ETW3-2000 | ETW3-3200 | ETW3-6300 | |
| Rated current In(A) | 200/400/630/800/1000/1250/1600 | 630/800/1000/1250/1600/2000 | 2000/2500/2900/3200 | 4000/5000/6300 | |
| Neutral-to-ground rated current In(A) | 100%In | 100%In | 100%In | 50%In | |
| Rated operating voltage Ue(V) | AC400/690 | ||||
| frequency (Hz) | 50 | ||||
| Poles | 3P/4P | ||||
| Rated impulse withstand voltage (kV) | 12 | ||||
| Rated insulation voltage (V) | 1000 | ||||
| Power-frequency withstand voltage (V)1min | 2200 | ||||
| Rated short-circuit breaking capacity Icu(kA) | AC400V | 65 | 90 | 100 | 120 |
| AC690V | 55 | 65 | 65 | 100 | |
| Rated short-circuit breaking capacity Ics(kA) | AC400V | 65 | 75 | 100 | 100 |
| AC690V | 42 | 65 | 65 | 80 | |
| Rated short-time withstand current Icw/1s(kA) | AC400V | 65 | 75 | 100 | 100 |
| AC690V | 42 | 65 | 65 | 80 | |
| Operating life (times) Once for amounts under 2,500/3min 2,500 or more, 1 time/6min |
Electrical life | 7000 | 7000 | 7000 | 7000 |
| Mechanical life | 10000 | 10000 | 10000 | 10000 | |
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