DH50 High Voltage DC Contactor
Home Products High Voltage DC ContactorsDC Contactors up to 1000VDCDH50 High Voltage DC Contactor
Features
DH50 High Voltage DC Contactor
- Sealed with high-strength epoxy resin, no risk of arc leakage, ensuring no fire or explosion within the service life.
- Potting with mainly nitrogen inert gas improves arc extinguishing performance and effectively prevents contact oxidation and burnout. The contact resistance is low and stable, and the contact part can meet the IP67 protection grade.
- 50A 85ºC long time current carrying capacity.
- The insulation resistance reaches 100MΩ (1,000VDC), and the withstand voltage between the contact and the coil is 3.5kV.
- Compliant with IEC 60664-1 and RoHS (2015/863/EC) and REACH (1907/2006/EC) requirements.
Part numbers
| Part numbers | Load current |
Load voltage |
Coil characteristics | Coil voltage | Note |
| DH50S12 | 50A | 9-1000VDC | Continuous duty single coil | 12VDC | Bottom mount; Internal thread; Non-polarity |
| DH50S24 | 50A | 9-1000VDC | Continuous duty single coil | 24VDC | Bottom mount; Internal thread; Non-polarity |
| DH50S36 | 50A | 9-1000VDC | Continuous duty single coil | 36VDC | Bottom mount; Internal thread; Non-polarity |
| DH50S48 | 50A | 9-1000VDC | Continuous duty single coil | 48VDC | Bottom mount; Internal thread; Non-polarity |
| DH50S60 | 50A | 9-1000VDC | Continuous duty single coil | 60VDC | Bottom mount; Internal thread; Non-polarity |
| DH50S72 | 50A | 9-1000VDC | Continuous duty single coil | 72VDC | Bottom mount; Internal thread; Non-polarity |
| DH50S12P | 50A | 9-1000VDC | Continuous duty single coil | 12VDC | Side mount; Internal thread; Non-polarity |
| DH50S24P | 50A | 9-1000VDC | Continuous duty single coil | 24VDC | Side mount; Internal thread; Non-polarity |
| DH50S36P | 50A | 9-1000VDC | Continuous duty single coil | 36VDC | Side mount; Internal thread; Non-polarity |
| DH50S48P | 50A | 9-1000VDC | Continuous duty single coil | 48VDC | Side mount; Internal thread; Non-polarity |
| DH50S60P | 50A | 9-1000VDC | Continuous duty single coil | 60VDC | Side mount; Internal thread; Non-polarity |
| DH50S72P | 50A | 9-1000VDC | Continuous duty single coil | 72VDC | Side mount; Internal thread; Non-polarity |
| DH50D12 | 50A | 9-1000VDC | Continuous duty double coil | 12VDC | Bottom mount; Internal thread; Non-polarity |
| DH50D24 | 50A | 9-1000VDC | Continuous duty double coil | 24VDC | Bottom mount; Internal thread; Non-polarity |
| DH50D36 | 50A | 9-1000VDC | Continuous duty double coil | 36VDC | Bottom mount; Internal thread; Non-polarity |
| DH50D48 | 50A | 9-1000VDC | Continuous duty double coil | 48VDC | Bottom mount; Internal thread; Non-polarity |
| DH50D60 | 50A | 9-1000VDC | Continuous duty double coil | 60VDC | Bottom mount; Internal thread; Non-polarity |
| DH50D72 | 50A | 9-1000VDC | Continuous duty double coil | 72VDC | Bottom mount; Internal thread; Non-polarity |
| DH50D12P | 50A | 9-1000VDC | Continuous duty double coil | 12VDC | Side mount; Internal thread; Non-polarity |
| DH50D24P | 50A | 9-1000VDC | Continuous duty double coil | 24VDC | Side mount; Internal thread; Non-polarity |
| DH50D36P | 50A | 9-1000VDC | Continuous duty double coil | 36VDC | Side mount; Internal thread; Non-polarity |
| DH50D48P | 50A | 9-1000VDC | Continuous duty double coil | 48VDC | Side mount; Internal thread; Non-polarity |
| DH50D60P | 50A | 9-1000VDC | Continuous duty double coil | 60VDC | Side mount; Internal thread; Non-polarity |
| DH50D72P | 50A | 9-1000VDC | Continuous duty double coil | 72VDC | Side mount; Internal thread; Non-polarity |
| DH50DE12 | 50A | 9-1000VDC | Double coil with energy saving board | 12VDC | Bottom mount; Internal thread; Non-polarity |
| DH50DE24 | 50A | 9-1000VDC | Double coil with energy saving board | 24VDC | Bottom mount; Internal thread; Non-polarity |
| DH50DE36 | 50A | 9-1000VDC | Double coil with energy saving board | 36VDC | Bottom mount; Internal thread; Non-polarity |
| DH50DE48 | 50A | 9-1000VDC | Double coil with energy saving board | 48VDC | Bottom mount; Internal thread; Non-polarity |
| DH50DE60 | 50A | 9-1000VDC | Double coil with energy saving board | 60VDC | Bottom mount; Internal thread; Non-polarity |
| DH50DE72 | 50A | 9-1000VDC | Double coil with energy saving board | 72VDC | Bottom mount; Internal thread; Non-polarity |
| DH50DE12P | 50A | 9-1000VDC | Double coil with energy saving board | 12VDC | Side mount; Internal thread; Non-polarity |
| DH50DE24P | 50A | 9-1000VDC | Double coil with energy saving board | 24VDC | Side mount; Internal thread; Non-polarity |
| DH50DE36P | 50A | 9-1000VDC | Double coil with energy saving board | 36VDC | Side mount; Internal thread; Non-polarity |
| DH50DE48P | 50A | 9-1000VDC | Double coil with energy saving board | 48VDC | Side mount; Internal thread; Non-polarity |
| DH50DE60P | 50A | 9-1000VDC | Double coil with energy saving board | 60VDC | Side mount; Internal thread; Non-polarity |
| DH50DE72P | 50A | 9-1000VDC | Double coil with energy saving board | 72VDC | Side mount; Internal thread; Non-polarity |
| DH50E | 50A | 9-1000VDC | Energy saving type | 9-36VDC | Bottom mount; Internal thread; Non-polarity |
| DH50W | 50A | 9-1000VDC | Energy saving type | 32-96VDC | Bottom mount; Internal thread; Non-polarity |
| DH50EP | 50A | 9-1000VDC | Energy saving type | 9-36VDC | Side mount; Internal thread; Non-polarity |
| DH50WP | 50A | 9-1000VDC | Energy saving type | 32-96VDC | Side mount; Internal thread; Non-polarity |
If you want to order the dc contactor with auxi contacts, just add the auxi code at the end of part numbers, such as DH50S12-FK; DH50S12-FB; DH50S12-FZ.
Main Contact Specification
| Contact Arrangemen | 1K（1NO） |
| Contact Polarity | Non-polarity |
| Contact Resistance | ≤0.5mΩ（at 100A） |
| Max. Switching Voltage | 1000VDC |
| Max. Breaking Current | 1,000A (320VDC) 1(Ops) |
| Electrical Endurance (Resistive Load) | 1,000(Ops) (1,000VDC, 50A) |
| 1,500(Ops) (750VDC, 50A) | |
| 5,000(Ops) (500VDC, 50A) | |
| 20,000(Ops) (110VDC, 50A) | |
| Mechanical Endurance | 300000 （Ops） |
| Withstand Current | 50A, Continuous |
| 130A，60min | |
| 180A，5min | |
| 300A，30S |
Performance Parameter
| Pickup Time | ≤25ms |
| Contact Bounce Period | ≤5ms |
| Dropout Time | ≤10ms |
| Dielectric Strength | |
| Between Main Contacts | 3500VDC 1min |
| Between Main Contact and Coil | 3500VDC 1min |
| Insulation Resistance | |
| Initial State | 100MΩ 1min |
| After Electrical Life | 50MΩ 1min |
| Shock | |
| Stability | 20g (Power On) |
| Strength | 50g |
| Vibration | 10g, 10~500Hz, 1/2 Sine Wave (Power On) |
| Relative Humidity | 5%~95%RH |
| Temperature | -40℃~85℃ |
| Load Terminal | M5 Internal Thread |
| Weight | About 230g |
| Dimension | 55x42x64mm |
Auxiliary Contact Parameter
|
Aux. Contact Arrangement |
FK/FB/FZ (1NO/1NC/1CO) |
|
Aux. Contact Rated Current |
5A |
|
Aux. Contact Max. Breaking Voltage |
120VDC |
Inquiry
Need more information?
Contact us to request pricing, availability and customization options.
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