| Theory: | DC Relay |
|---|---|
| Usage: | Electric Vehicle, Charging Pile |
| Phase: | 1 |
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GSZ9 series of high voltage DC contactor is used in the DC circuit with rated voltage up to 1000Vdc, with rated current from 10A to 350A for DC-1 at rated voltage of 450Vdc, for the purpose of making and breaking high voltage DC circuit for pure electric vehicle, hybrid electric vehicle, electric vehicle charging station (pile), battery pack, photovoltaic system, etc.
| Model | GSZ9-300 | GSZ9-300W | GSZ9-30010 | GSZ9-30010W | GSZ9-350 | GSZ9-350W | GSZ9-35010 | GSZ9-35010W | |
| Electrical parameters | |||||||||
| Rated insulation voltage Ui (V) | 1000Vdc | ||||||||
| Rated Voltage Ue (V) | 12-750Vdc | ||||||||
| Conventional thermal current Ith (A) (DC-1) | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | |
| Rated current le (A) (DC-1) | 300 | 300 | 300 | 300 | 350 | 350 | 350 | 350 | |
| Main Contact | 1P (NO) | ||||||||
| Auxiliary contact | ― | ― | 1NO | 1NO | ― | ― | 1NO | 1NO | |
| Rated voltage Ue (V) | 30 | ||||||||
| Conventional thermal current Ith (A) (DC-1) | 2 | ||||||||
| Rated current le (A) (DC-1) | 2 | ||||||||
| Min. load | 5Vdc 100mA | ||||||||
| Standard coil voltage Us (V) | DC: 12V, 24V, 12-32V | ||||||||
| Pull-in voltage (V) | 0.85Us-1.10Us | ||||||||
| Drop-out voltage (V) | 0.10Us-0.75Us | ||||||||
| Coil voltage | 12~32 | ||||||||
| Coil current (A) | Pull-in | ≤4 | |||||||
| Hold | ≤0.33 | ||||||||
| Coil power (W) | Pull-in | ≤48 | |||||||
| Hold | ≤4 | ||||||||
| DC-1 | Electrical life (10000 times) | 1 | 1 | 1 | 1 | 0.8 | 0.8 | 0.8 | 0.8 |
| Operation frequency per hour | 120 | 120 | 120 | 120 | 30 | 30 | 30 | 30 | |
| Mechanical life (10000 times) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | |
| Pull-in time (ms) | 18-25 | ||||||||
| Drop-out time (ms) | 5-8 | ||||||||
| Standard | IEC60947-4-1, EN60947-4-1 | ||||||||
| Certificate | CCC CE CB | ||||||||
| Operating ambient temperature | 0.19 | ||||||||
| Storage temperature | -40ºC ··+85ºC | ||||||||
| Class of pollution | 3 | ||||||||
| Installation category | 3 | ||||||||
| Reference net weight (KG) | 0.41 | 0.41 | 0.42 | 0.42 | 0.41 | 0.41 | 0.42 | 0.42 | |
| Remark | W in the model means non-polarity | ||||||||
| Altitude (M) | 2000M | 3000M | 4000M | ||||||
| Correction factor for rated current | 1 | 0.88 | 0.77 | ||||||
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