English
1. Introduction
This series DC Contactor is used in electrical control systems, such as communication power supply equipment, frequency converters, engineering machinery, electromobiles, electric forklifts, automobiles, trains, ships, uninterruptible power supplies, etc.
2. Features
• Continuous 125A load.
• It has two sets of normally open contacts.
• Coil power consumption ≤15W.
• The insulation resistance is up to 100MΩ (1,000VDC), the withstand voltage between the contact and the coil is 1kV.
• IP protection level: IP40.
• 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.
3. Specification
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Performance Parameters (at 23℃) |
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Contact Arrangement |
2K (2NO) |
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Contact Resistance |
≤0.5mΩ |
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Contact Voltage Drop |
≤80mV (at 125A) |
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Overload Current |
≤7le, ≯1s |
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Temperature Range |
-25℃~60℃ |
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Load Terminal |
M8 External Thread |
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Humidity |
20%~90%RH |
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External Dimension |
48mmx42mmx89mm |
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Operating Duty |
Continuous |
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Electrical Durability with Load (Resistive) |
≥6,000 Times |
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Load Wiring Torque |
4-5N.m |
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Pickup Voltage |
≤70% Us |
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Dropout Voltage |
≥10% Us |
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Contact Bounce Period |
≤5ms |
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Pull-In Time |
≤30ms |
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Drop-Out Time |
≤30ms |
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Dielectric Strength |
Between Main Contacts |
50Hz/60Hz 1,000VAC/1min |
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Between Main Contacts and Coil |
50Hz/60Hz 1,000VAC/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 |
(60-100) times/min, Acceleration≤4g |
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Vibration |
3.5g, 10~200Hz, 1/2 Sine Wave (Power On) |
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Mechanical Durability |
≥100,000 Times |
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Coil Wiring |
0.8*6.3 Spade Terminal |
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ASW125S2K Coil Parameters |
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Coil Voltage |
Pickup Voltage |
Dropout Voltage |
Holding Current |
Coil Power Consumption |
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12V |
≤70%Us |
≥10%Us |
≤1.00A |
7W-15W |
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24V |
≤70%Us |
≥10%Us |
≤0.60A |
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36V |
≤70%Us |
≥10%Us |
≤0.50A |
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48V |
≤70%Us |
≥10%Us |
≤0.30A |
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60V |
≤70%Us |
≥10%Us |
≤0.25A |
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72V |
≤70%Us |
≥10%Us |
≤0.20A |
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4. Model Coding
5. Wiring Diagram
6. Outline Installation Dimension Drawing
Note: These datas are only for customer selection reference, AOKAI has tried the best to ensure the accuracy of the information. Product specifications and parameters may be changed due to product improvement etc., they may be inconsistent because of not updated in time. For the specific parameters and performance of each product, please refer to the samples provided by AOKAI and the corresponding signed and controlled specification.
