Shenzhen Zhenhua Qunying Electronics CO. ,Ltd.
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JQ - 50D(B) Normal cClosed Single Coil 50 Ampere 48v Continuous Operation Duty Contactor For Motor
1. Summary of product
JQ-50D(B)/48-48AW DC contactor has a set of bridge normally closed contactors with load current up to 50A. 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. Order mark standard
3. Usage condition
(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
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. JQ-50D(B)/48-48AW current curve
6. The circuit diagram of the configuration, installation and terminal
7. Parameter table(current actual production parameter)54
| no. | requirements | unit | 24 | 48 | 54 | 60 |
| 1 | Coil resistance | Ω | 82.6 | 323 | 375 | |
| Coil consuming resistance | W | 7 | 7.1 | 7.8 | 5.1 | |
| Coil resistance error | Ω | ±8% | ±8% | ±8% | ||
| 2 | Action features | |||||
| Cold suction voltage:45～75%Ue | V | 10.8～18 | 21.6～35 | 24.3～40.5 | ||
| Cold release voltage 5%Ue～40%Ue | V | 1.2～9.6 | 2.4～19.2 | 2.7～21.6 | ||
| Contact pressure drop of main contact | mv | ≤80 | ≤80 | ≤80 |
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