The Hikvision DS-K4H255S Value Magnetic Lock is a reliable electromagnetic door locking solution designed for access control installations requiring up to 272 kg (600 lbs) of holding force. It supports both 12 VDC and 24 VDC power supplies, with 12 VDC set as the default, making it suitable for a range of access control systems.
The lock is suitable for wooden, glass and metal doors and uses electromagnetic suction to secure the door when powered. Its hard anodized aluminium housing and abrasion-resistant materials provide a durable construction for regular use in commercial, residential and controlled-access environments.
The Hikvision DS-K4H255S provides a strong and practical locking solution for access control applications. With a maximum thrust of 272 kg, it helps keep compatible doors securely closed while allowing controlled release when power to the electromagnetic lock is interrupted.
The lock body uses eco-friendly zinc electroplating, while the armature plate is made from durable, eco-friendly zinc electroplated material. The hard anodized electroplated housing is designed to withstand everyday wear, making the DS-K4H255S suitable for installations where durability and dependable operation are important.
Key Benefits
Construction and Door Compatibility
The DS-K4H255S is designed for use with different door materials, including wooden, glass and metal doors. Its durable housing and abrasion-resistant materials make it a practical choice for access-controlled entrances in offices, commercial buildings, residential properties and other security installations.
The electromagnetic design provides a clean and straightforward locking mechanism without requiring a traditional mechanical locking bolt. When the appropriate power is supplied, the magnetic lock provides the specified holding force to help secure the door.
Power and Operation
The magnetic lock can operate from either 12 VDC or 24 VDC, with 12 VDC configured as the default voltage. The current interruption unlock method allows the lock to release when power to the electromagnetic locking mechanism is interrupted, making correct power and access control system configuration important during installation.
For identification and ordering, the product part number / SKU is DS-K4H255S.
Technical Details
Access Control Applications
The Hikvision DS-K4H255S is well suited to access control systems where a strong electromagnetic locking solution is required. It can be used on office doors, controlled entrances, commercial premises and other locations where electronic access control needs to manage door release.
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Specifications![]() | |
| Product Code | DS-K4H255S![]() |
| General | |
| Power supply | 12 VDC to 24 VDC, 470 mA to 235 mA |
| Working temperature | -10 degreesC to 55 degreesC (14 degreesF to 131 degreesF) |
| Working humidity | 0 to 95 % (relative humidity) |
| Dimensions | Lock Body: 250 mm x 28 mm x 48 mm (9.8" x 1.1" x 1.9") |
| Armature Plate: 180 mm x 38 mm x 12 mm (7.1 x 1.5" x 0.5")" | |
| Weight | 1.9 kg (4.2 lb) |
| Material | Shell: hard Anodizing Electroplating Operated |
| Lock Body: eco-friendly Zinc Electroplating Operated | |
| Armature Plate: eco-friendly Zinc Electroplating Operated | |
| Door type | Glass door, wooden door, and metal door |
| Thrust | Max. 272 kg (600 Lbs) |
| Magnetic Lock/General | |
| Unlock method | Current Interruption |
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