Shenzhen Zhenhua Qunying Electronics CO. ,Ltd.
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JQ - 400D(B) /48 - 48BW 400 Ampere Single Pole Normal Closed Double Coils For Motor
1. DC contactor Summary
JQ-400H(B)/48-48BW DC contactor has a set of bridge normally opened contactors with load current up to 400A. Accord with GB1408.4-2010/IEC60947-4-1:2009 Ed.3.0.MOD, YD/T585-2010. Suitable for communication power equipment electrical control device.
2. Usage condition
Ambient temperature: work: - 40 ~ + 60; storage and transportation: - 40 ~ + 70
relative humidity: 95% at 40
altitude: not more than 2000 meters.
Vibration: 10-55hz,
amplitude: 0.35mm
impact: 30m/s2
3. Specification table
| Parameter | Coil voltage of contact circuit |
| Voltage range | 6-220v |
| Coil power | 5-8w |
| Normal state | |
| Main rated load current of contact circuit | 100A |
| Rated voltage of contact circuit | 6-80v |
| Sucking time | 40ms |
| Releasing time | 30ms |
| Mechanical life | 100000times |
| Electric life | 1000times |
| Coil resistance | 603.6-708.4Ω |
4. Standard,safty and environmental protection
(1) Comply with GB14048.4-2003 / IEC60947-4-1:2000 low voltage switching equipment and control equipment electromechanical contactor and motor starter standard.
(2) YD/T585-2010 General credit distribution equipment technical conditions.
5. Order mark standard
6. Current curve
7. The configuration, installation and terminal diagram
8. The difference between High voltage DC contactor and low voltage DC contactor
with the small current switch control of high-current electrical appliances, operating to reduce the risk factor, the contactor can achieve remote control, maily used in the frequent start of the device.
The realization of small current switching control of high current electrical appliances and to achieve the control loop and the main circuit isolation.
9. Products presentation