| Breaking Capacity: | Low Voltage Circuit Breakers |
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| Operation: | Energy-storage Type |
| Speed: | Normal Type Circuit Breaker |
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GSM3 series of DC moulded case circuit breaker (DC MCCB) is used in the DC circuit, with rated insulation voltage of 1250Vdc, with rated voltage up to 1250dac, with rated current from 10A to 800A, and with rated impulse withstand voltage up to 8000V. The circuit breaker can be used in DC ungrounded system, negative earthing system, and photovoltaic system.
| Model | GSM3DC-125/2 | GSM3DC-125/3 | GSM3DC-125/4 | GSM3DC-250/2 | GSM3DC-250/3 | GSM3DC-250/4 | GSM3DC-400/2 | GSM3DC-400/3 | GSM3DC-400/4 | GSM3DC-630/2 | GSM3DC-630/3 | GSM3DC-630/4 | GSM3DC-800/2 | GSM3DC-800/3 | GSM3DC-800/4 | ||
| Rated current In (A) | 10, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125 | 100, 125, 140, 160, 180, 200, 225, 250 | 100, 125, 140, 160, 180, 200, 225, 250 | 400, 500, 630 | 630, 700, 800 | ||||||||||||
| Pole number | 2P | 3P | 4P | 2P | 3P | 4P | 2P | 3P | 4P | 2P | 3P | 4P | 2P | 3P | 4P | ||
| Rated voltage (V) | DC500V | DC750V | DC1000V | DC500V | DC750V | DC1000V/1250V | DC500V | DC750V | DC1000V | DC500V | DC750V | DC1000V | DC500V | DC750V | DC1000V | ||
| Rated insulation voltage (V) | DC1000V | DC1000V | DC1000V | DC1000V | DC1000V | ||||||||||||
| Rated impulse withstand voltage Uimp (V) | 8000 | 8000 | 8000 | 8000 | 8000 | ||||||||||||
| Flashover distance (mm) | 50 | 50 | 100 | 100 | 100 | ||||||||||||
| Ultimate short circuit breaking capacity Icu (KA) | DC500V | 15 | / | / | 25 | / | / | 35 | / | / | 35 | / | / | 35 | / | / | |
| DC750V | / | 15 | / | / | 40 | / | / | 40 | / | / | 40 | / | / | 40 | / | ||
| DC1000V | / | / | 15 | / | / | 40 | / | / | 40 | / | / | 40 | / | / | 40 | ||
| DC1250V | / | / | / | / | / | 10 | / | / | / | / | / | / | / | / | / | ||
| Rated service short circuit breaking capacity Ics (KA) | DC500V | 10 | / | / | 15 | / | / | 25 | / | / | 25 | / | / | 25 | / | / | |
| DC750V | / | 10 | / | / | 25 | / | / | 20 | / | / | 20 | / | / | 20 | / | ||
| DC1000V | / | / | 10 | / | / | 25 | / | / | 20 | / | / | 20 | / | / | 20 | ||
| DC1250V | / | / | / | / | / | 10 | / | / | / | / | / | / | / | / | / | ||
| Electrical life (times) | 5000 | 5000 | 1000 | 1000 | 1000 | ||||||||||||
| Mechanical life (times) | 10000 | 10000 | 5000 | 5000 | 5000 | ||||||||||||
| Outline dimension (mm) | W | 92 | 92 | 122 | 107 | 107 | 142 | 150 | 150 | 198 | 182 | 182 | 240 | 210 | 210 | 280 | |
| H | 150 | 165 | 257 | 270 | 280 | ||||||||||||
| D | 82 | 85 | 98.5 | 103 | 103 | ||||||||||||
| Net weight (KG) | 1.5 | 1.8 | 2.5 | 2.0 | 2.6 | 3.5 | 4.5 | 6.0 | 7.0 | 6.0 | 7.5 | 9.5 | 7.5 | 9.0 | 11.5 | ||
| Standard | IEC60947-2/EN60947-2 | ||||||||||||||||
| Operation ambient temperature | -5 to +40 centigrade, +andf the averagetemperature within 24 hours shall benot more than 35 certigrade | ||||||||||||||||
| Altitude (m) | 2000m, if higher than 2000m, then derate | ||||||||||||||||
| Class of pollution | 3 | ||||||||||||||||
| Installation category | 3 for main circuit and under-voltage release, 2 for auxiliary circuit, control circuit | ||||||||||||||||
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