Professional Intelligent Manufacturer of High and Low Voltage DC Contactors - Aokai Electric
For DC Circuit Insolation Dc Contactor by Aokai Electric
Company Advantages
· Aokai Electric dc contactor is manufactured under modern management system.
· This product has received international recognition for its performance and quality.
· There is a very broad development prospect of this product owing to these features.
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 |
| ADH300E | Pearl Cotton+Carton | 10 PCS/Layer | 53.5x23x20 | 490 | 20 | 9.8 | 10.6 |
| 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 Features
· Comprehensively focusing on the R&D and production of dc contactor, Zhejiang Aokai Electric Co., Ltd becomes internationally advanced.
· We have a strong customer base all around the world because we have been sincerely working with our customers to develop, design, and manufacture dc contactor based on their requirements. Our modern factory is equipped with highly advanced production facilities under the principles of zero pollution and cost efficiency. The factory owns state-of-the-art large-size production machines in the dc contactor industry. These machines offer support for daily production needs, including product developing, designing, production, and packaging.
· We're committed to becoming one of the bellwethers in the industry. We will always keep pace with customers' requirements, and continuously optimize costs to improve product cost efficiency.
Product Details
We strive for perfection and pursue excellence in every detail of production. All this promotes the high quality of our products.
Application of the Product
Aokai Electric's dc contactor can be applied to different fields and scenes, which enables us to meet different requirements.
We are always aware of new trends and developments in the market, so we can provide our customers with the industry-leading one-stop solutions.
Product Comparison
Compared with other similar products, the outstanding advantages of our company's dc contactor is mainly reflected in the following points.
