Hikvision DS-K4H250-U 600lbs Electromagnetic Door Lock for Access Control Systems
The DS-K4H250-U is a high-performance pro-grade electromagnetic lock designed by Hikvision to ensure secure locking for a wide range of access control applications. Ideal for indoor use on office, residential, or institutional doors, this maglock provides strong holding force and reliable fail-safe operation.
Built for durability and safety, the DS-K4H250-U supports seamless integration with access controllers and exit buttons, making it a critical component of any electronic security infrastructure.
Key Features
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Strong 600 lb (≈ 280 kg) holding force
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Fail-safe operation – unlocks when power is removed for fire/emergency safety
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Dual voltage support: 12VDC / 24VDC
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Aluminum housing for enhanced durability and heat dissipation
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Suitable for wooden, glass, and metal doors
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Built-in LED indicator for lock status
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Silent operation with no moving parts
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Simple surface mount installation
Technical Specifications
| Feature | Specification |
|---|---|
| Model | DS-K4H250-U |
| Holding Force | 600 lbs (280 kg) |
| Voltage Input | 12VDC / 24VDC |
| Current Draw | 12V/500mA or 24V/250mA |
| Lock Type | Electromagnetic |
| Mounting Type | Surface mount |
| Material | Aluminum alloy |
| Operating Temp | -10°C to +55°C |
| Dimensions | 250 × 48 × 27 mm |
| Weight | Approx. 2.1kg |




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