Shenzhen Zhenhua Qunying Electronics CO. ,Ltd.
Our purpose is to produce best products for our customers with high quality and reasonable price.
Add to Cart
JQ - 50H(B) / 48 - 48AW Rate Current 50a Normal Open 48v Single Coil Magnetic Contactor For Communication Industry
1. Summary
JQ-50H(B)/48-48AW DC contactor has a set of bridge normally opened contactors with load current up to 50A. Accord with GB1408.4-2003/IEC60947-2003, YD/T585-2010. Suitable for communication power equipment electrical control device.
2. Order mark standard
JQ - 50H(B)/ 48 - 48AW
| JQ | DC Ccontactor |
| 50 | Rated load 50A |
| H | Normally open |
| (B) | Communication power |
| B | Double coil |
| 48 | The contact voltage |
| 48 | The contact voltage |
| W | Bending mounting plate |
3. Usage condition
Ambient temperature: work: - 40 ~ + 60; storage and transportation: - 40 ~ + 70
relative humidity: 98% at 40
altitude: not more than 2000 meters.
Vibration: 10-55hz,
amplitude: 0.35mm
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. Parameter 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 |
6. JQ-50H(B)/48-48AW current curve
7. The circuit diagram of the configuration, installation and terminal
8. What's 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. Series of DC contactor Pics
9. DC Contactor Application range