Professional Intelligent Manufacturer of High and Low Voltage DC Contactors - Aokai Electric
Newhigh Current Dc ContactorAokai Electric Company
Product details of the high current dc contactor
Product Information
Aokai Electric high current dc contactor is made from high quality materials, which are sourced from reliable suppliers. The scientific product management system ensures that the product has qualified quality. The product is popular in both the domestic and international market for its broad application prospects.
Features
◪ 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.◪ 300A 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, GB/T14048.1 and GB/T14048.4 requirements.◪ Compliant with RoHS (2015/863/EU), REACH (1907/2006/EC) requirements.◪ Safety certificate: CE, CCC.
Specification
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Main Contact Specifications |
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Contact Arrangement |
1K (1NO) |
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Contact Polarity |
Non-polarity |
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Contact Resistance |
≤0.5mΩ (at 300A) |
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Max. Switching Voltage |
1,000VDC |
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Max. Breaking Current |
2,000A (320VDC) 1 Ops |
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Electrical Endurance (Resistive Load) |
3,000 Ops (1,000VDC 300A) |
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5,000 Ops (750VDC, 300A) |
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8000 Ops (500VDC, 300A) |
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Mechanical Endurance |
300,000 Ops |
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Withstand Current |
300A, Continuous |
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400A, 60min |
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500A, 5min |
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600A, 1min |
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Temperature Rise |
Main Contact Temperature Rise ≤45K (95mm2, 300A Continuous) |
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Performance Parameters (at 23℃) |
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Pickup Voltage |
See Coil Parameter Tables |
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Dropout Voltage |
See Coil Parameter Tables |
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Pickup Time |
≤25ms |
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Contact Bounce Period |
≤5ms |
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Dropout Time |
≤6ms |
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Dielectric Strength |
Between Main Contacts |
12,000VDC 1min |
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Between Main Contacts and Coil |
3,500VDC 1min |
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Insulation Resistance |
Initial State |
100MΩ 1min |
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After Electrical Life |
50MΩ 1min |
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Shock |
Stability |
20g (Power On) |
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Strength |
50g |
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Vibration |
10g, 10~500Hz, 1/2 Sine Wave (Power On) |
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Relative Humidity |
5%~95%RH |
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Temperature |
-40℃~85℃ |
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Load Terminal |
M8 External Thread |
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Weight |
About 480g |
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Dimension |
80mmx65.5mmx72.5mm |
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Auxiliary Contact Parameters |
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Aux. Contact Arrangement |
FK/FB/FZ (1NO/1NC/1CO) |
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Aux. Contact Rated Current |
5A |
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Aux. Contact Max. Breaking Voltage |
120VDC |
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ADH300E Coil Parameters |
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Coil Voltage |
Pickup Voltage VDC |
Dropout VoltageVDC |
Coil Resistance |
Starting Power |
Holding Power |
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9-36V |
9-36V |
5-7V |
3.5Ω±10% |
25W±10% (<100ms) |
2W±10% |
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ADH300W Coil Parameters |
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Coil Voltage |
Pickup Voltage VDC |
Dropout VoltageVDC |
Coil Resistance |
Starting Power |
Holding Power |
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32-96V |
32-96V |
16-20V |
40.5Ω±10% |
25W±10% (<100ms) |
2W±10% |
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ADH300D Coil Parameters |
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Coil Voltage |
Pickup Voltage VDC |
Dropout VoltageVDC |
Coil Resistance |
Starting Power |
Holding Power |
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Starting |
Holding |
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12V |
≤70%Us |
5%-40%Us |
2.5Ω±10% |
48Ω±10% |
60W±10% |
3W±10% |
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24V |
≤70%Us |
5%-40%Us |
10Ω±10% |
190Ω±10% |
60W±10% |
3W±10% |
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48V |
≤70%Us |
5%-40%Us |
40Ω±10% |
768Ω±10% |
60W±10% |
3W±10% |
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60V |
≤70%Us |
5%-40%Us |
62.5Ω±10% |
1,200Ω±10% |
60W±10% |
3W±10% |
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72V |
≤70%Us |
5%-40%Us |
90Ω±10% |
1,730Ω±10% |
60W±10% |
3W±10% |
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ADH300DE Coil Parameters |
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Coil Voltage |
Pickup Voltage VDC |
Dropout VoltageVDC |
Coil Resistance |
Starting Power |
Holding Power |
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Starting |
Holding |
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12V |
≤70%Us |
5%-40%Us |
2.5Ω±10% |
48Ω±10% |
60W±10% |
3W±10% |
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24V |
≤70%Us |
5%-40%Us |
10Ω±10% |
190Ω±10% |
60W±10% |
3W±10% |
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48V |
≤70%Us |
5%-40%Us |
40Ω±10% |
768Ω±10% |
60W±10% |
3W±10% |
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60V |
≤70%Us |
5%-40%Us |
62.5Ω±10% |
1,200Ω±10% |
60W±10% |
3W±10% |
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72V |
≤70%Us |
5%-40%Us |
90Ω±10% |
1,730Ω±10% |
60W±10% |
3W±10% |
| Packaging Specifications | |||||||
| Product Model | Packaging | Min. QTY of Inner Packaging | Carton Size(LxWxH cm) | Net Weight/PCS(Max.) g | Total QTY(pcs) | Net Weight(Max.) kg | Gross Weight(Max.) kg |
| ADH300EFK | Pearl Cotton+Carton | 10 PCS/Layer | 53.5x23x20 | 500 | 20 | 10 | 10.8 |
| Note:1. Only one example of various typical packaging specifications for each product category is listed for reference.2. The actual weight of the packaging will fluctuate with the ambient humidity. For the specific batch weight, please contact your dedicated sales personnel. | |||||||
Product Introduction
This series DC Contactor Relay is used to DC voltage power control fields, such as new energy vehicles, construction machinery, photovoltaic systems, wind power intelligent equipment, battery charging and discharging systems, charging piles, etc.
Model Coding
Wiring Diagram
Outline Installation Dimension Drawing
Company Feature
• There is an excellent advantage in our company's location. The transportation is convenient, which is conducive to the circulation and transportation of products.
• Aokai Electric's products are mainly sold to such regions as Southeast Asia, Europe, and Africa.
• Aokai Electric, established in has a history of years. We have a profound cultural heritage and abundant human resources. All this lays a firm foundation for advancement in the fierce market.
Welcome to Aokai Electric. Feel free to contact us if you have any questions.
