Aokai Electric is your best source for the high quality 250a emergency stop switch adk250 with CE certification. We have been one of the largest such manufacturers and suppliers in China since our establishment in 2008. Welcome to contact our factory for the products.
Features
◪ Continuous 250A load, contact rated voltage ≤72V.
◪ It has one set of normally closed contact.
◪ The insulation resistance reaches 100MΩ (500VDC), and the withstand voltage between the load contacts is 1.5kV.
◪ 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, RoHS
Specifications
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Performance Parameters (at 23℃) |
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Contact Arrangement |
1B (1NC) |
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Contact Resistance |
≤0.5mΩ |
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Contact Voltage Drop |
≤80mV (at 250A) |
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Overload Current |
≤7le, ≯1s |
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Temperature Range |
-40℃~85℃ |
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Load Terminal |
M8 Internal Thread |
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Humidity |
5%~95%RH |
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External Dimension |
60.5mmx43.5mmx125mm |
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Operating Duty |
Continuous |
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Electrical Durability with Load (Resistive) |
≥6,000 Times |
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Closing Pulling Force |
20N≤F1≤50N |
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Disconnecting Pushing Force |
20N≤F2≤50N |
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Normal Closing Time |
≤100ms |
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Normal Disconnecting Time |
≤50ms |
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Dielectric Strength Between Main Contacts |
50Hz/60Hz 1,500VAC/1min |
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Insulation |
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 |
2.5g, 5~50Hz, 1/2 Sine Wave (Power On) |
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Mechanical Durability |
≥50,000 Times |
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Mounting Screw Torque M5 |
3-4N.m |
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Load Wiring Torque M8 |
8-10N.m |
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Packaging Specifications |
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| 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 |
| ADK250 | Pearl Cotton+Carton | 50 PCS/Layer | 60x58x37 | 450 | 50 | 22.50 | 21.50 |
| 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. |
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Model Coding
Wiring Diagram
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.
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