Shenzhen Zhenhua Qunying Electronics CO. ,Ltd.
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Control and Suppress The Arc Produced Pc Rating For Contactors 100 Amp 48 Voltage Normal Open Double Coils Dc Contactor
1. Product summary
JQ-100H(B)/48-48BW DC contactor has a set of bridge normally opened contactors with load current up to 100A. 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. The requirement of using
(1) ambient temperature: work: - 40 ~ + 60; storage and transportation: - 40 ~ + 70
(2) relative humidity: 95% at 40
(3) altitude: not more than 2000 meters.
(4) vibration: 10-55hz,
(5) amplitude: 0.35mm
(6) impact: 30m/s2
3. 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.
4. Parameter table
| No. | requirements | unit | 24 | 48 | 54 | 60 |
| 1 | Coil resistance under 20℃ | Ω | 168 | 656 | 820 | 938 |
| Coil consuming resistance | W | 3.42 | 3.51 | 3.55 | 3.83 | |
| Coil resistance error | Ω | ±8% | ±8% | ±8% | ||
| 2 | Action features | |||||
| Cold suction voltage:45～75%Ue | V | 10.8～16.8 | 19.2～33.6 | 24.3-33.5 | 27～37.2 | |
| Cold release voltage 5%Ue～40%Ue | V | 2.4～9.6 | 4.8～19.2 | 5.4-21.6 | 6～24 | |
| Contact pressure drop of main contact | mv | 100A≤80 | 400A≤150 |
5. Order mark representation
6. JQ-100H(B)/48-48AW current curve
7. The installation, terminal and configuration diagram
8. What is 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. Pics
10. Application of DC Contactor