| Electricity Type: | DC |
|---|---|
| Number of Pole: | 2 |
| Phase: | 2 |
|
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GSZ4 series of Double Pole DC Contactor is in the DC circuit, with insulation voltage of 1000Vdc, with rated current of 40A, 75A, 250A, and 400A at the rated voltage of 750Vdc for the Utilization Category of DC-1, DC-3 and DC-5, for the purpose of breaking or closing DC motor, and other DC load. The Double Pole DC Contactors are mainly used in the photovoltaic power generation, railway transportation, petroleum drilling, metallurgical industry, and steel industry.
| Model | GSZ4-40J | GSZ4-40 | GSZ4-75J | GSZ4-75 | GSZ4-250J | GSZ4-250 | GSZ4-400J | GSZ4-400 | ||
| Electrical parameters | J here means AC coil, DC coil by default | |||||||||
| Rated Insulation Voltage Ui (V) | DC: 1000V | |||||||||
| Rated Voltage Ue (V) | DC: 220, 440, 600, 750 | |||||||||
| Rated current Ie (A) | DC-1 | 220V | 40 | 75 | 250 | 400 | ||||
| 440V | 40 | 75 | 250 | 400 | ||||||
| 600V | 40 | 75 | 250 | 400 | ||||||
| 750V | 40 | 75 | 250 | 400 | ||||||
| DC-3/ DC-5 | 220V | 32 | 75 | 220 | 400 | |||||
| 440V | 29 | 75 | 220 | 400 | ||||||
| 600V | 21 | 75 | 220 | 400 | ||||||
| 750V | 7.5 | 75 | 170 | 400 | ||||||
| Controlled DC Motor Power (KW) | DC-1 | 220V | 8 | 16.5 | 48 | 88 | ||||
| 440V | 17.6 | 33 | 97 | 176 | ||||||
| 600V | 24 | 45 | 132 | 240 | ||||||
| 750V | 30 | 56 | 165 | 300 | ||||||
| DC-3/ DC-5 | 220V | 5 | 13 | 41 | 70 | |||||
| 440V | 9 | 27 | 82 | 140 | ||||||
| 600V | 9 | 38 | 110 | 200 | ||||||
| 750V | 4 | 45 | 110 | 250 | ||||||
| Contact Quantity | 2p+2No+2NC | 2p | 2p | 2p | ||||||
| Auxiliary Contact | ||||||||||
| Rated Voltage Ue (V) | AC 380V / DC 220V | F3-11d1 (1NO+1NC), F3-20d1 (2NO) auxiliary contacts, side mounting | ||||||||
| Conventional thermal current Ith (A) | 10A | |||||||||
| Rated current Ie (A) | AC-15 (960VA) | 2.5A (AC380V) | ||||||||
| DC-13 (76W) | 0.35A (DC220V) | |||||||||
| Mini. load | 17V 5mA | |||||||||
| Coil | ||||||||||
| Standard coil voltage Us (V) | AC: 110V/50Hz 130V/60Hz, 220V/50Hz 260V/60Hz, DC: 24V, 110V, 220V | |||||||||
| Pull-in voltage | 0.85Us-1.10Us (-25ºC---60ºC) | |||||||||
| Dropout voltage | AC: 0.2Us-0.75Us; DC: 0.1Us-0.75Us (-25ºC---60ºC) | |||||||||
| Pull-in power (VA/W) | 110 | 10 | 300 | 20 | 650 | 30 | 1780 | 86 | ||
| Hold power (VA/W) | 11 | 10 | 26 | 20 | 46 | 30 | 130 | 86 | ||
| Electrical Life | ||||||||||
| DC-1 | Electrical life (104 times) | 60 | 60 | 50 | 50 | 30 | 30 | 30 | 30 | |
| Operation frequency per hour | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | ||
| DC-3/DC-5 | Electrical life (104 times) | 20 | 20 | 15 | 15 | 6 | 6 | 5 | 5 | |
| Operation frequency per hour | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | ||
| Mechanical life 104 | 600 | 600 | 500 | 500 | 300 | 300 | 300 | 300 | ||
| Operating time | ||||||||||
| Pull-in time (ms) | ||||||||||
| Drop-out time (ms) | ||||||||||
| Standard | IEC60947-4-1, EN60947-4-1 | |||||||||
| Certificate | CE CB CCC CCS | |||||||||
| Operating ambient temperature | -25ºC---60ºC | |||||||||
| Storage temperature | -40ºC---70ºC | |||||||||
| Altitude | Not higher than 3000M, otherwise, degradation as per below | |||||||||
| Protection | IP20 | IP00 | ||||||||
| Pollution Grade | Third | |||||||||
| Installation category | Third | |||||||||
| Net weight (KG) | 0.71 | 1.08 | 2.45 | 3.61 | 6.03 | 8.7 | 11.4 | 19.5 | ||
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