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A Circuit Breaker 600 Ampere 48 Voltage Normal Open Double Coils Dc Cotactor For Communication Power Industry
1. Summary
JQ-600H(B)/48-48BW DC contactor has a set of bridge normally opened contactors with load current up to 600A. 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 | 98% at 40 |
| altitude | not more than 2000 meters |
| Vibration | 10-55hz |
| amplitude | 0.35mm |
| 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. Specification
| Parameter | Coil voltage of contact circuit |
| Voltage range | 6-220v |
| Coil power | 5-8w |
| Normal state | Normally opened |
| Main rated load current of contact circuit | 600A |
| 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. Order mark standard
5. Current actual production parameter
| No. | requirements | unit | 24 | 48 | 60 | |
| 1 | Coil resistance under 20℃ | Ω | 144.5 | 578 | 909 | |
| Coil consuming resistance | W | 4 | 4 | 4 | ||
| 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 |
6. Current curve
6. The circuit diagram of the configuration, installation and terminal
7. The schematic diagram of the terminal circuit
8. Products
9. Application of low voltage DC contactor