Shenzhen Zhenhua Qunying Electronics CO. ,Ltd.
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Rate Current 400 Ampere 48 Voltage Normal Open Double Coils Dc Contactor Welding Arc Suppression
1. DC Contactor Summary
JQ-400H(B)/48-48BW DC contactor has a set of bridge normally opened contactors with load current up to 200A. 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: - 20 ~ + 70; 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
3. 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 |
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
JQ - 400H (B) / 48 - 48BW
| JQ | DC Ccontactor |
| 400 | Rated load 400A |
| H | Normally opened |
| (B) | Communication power |
| B | Double coil |
| 48 | The contact voltage |
| 48 | The contact voltage |
| W | Bending mounting plate |
6. Current actual production parameter
| No. | requirements | unit | 24 | 48 | 60 | |
| 1 | Coil resistance under 20℃ | Ω | 165 | 628 | 1018 | |
| Coil consuming resistance | W | 3.5 | 3.66 | 3.75 | ||
| Coil resistance error | Ω | ±8% | ±8% | ±8% | ||
| 2 | Action features | |||||
| Cold suction voltage:45～75%Ue | V | 9.6～16.8 | 19.2～33.6 | 24-42 | ||
| Cold release voltage10%Ue～40%Ue | V | 2.4～9.6 | 4.8～19.2 | 6-24 | ||
| Contact pressure drop of main contact | mv | ≤60 |
7. Current curve
8. The configuration, installation and terminal
9. Products presentation
10. DC Contactor application