Hikvision DS-K4H250D Double-Door Magnetic Lock
The Hikvision DS-K4H250D is a professional-grade electromagnetic locking controller designed for secure dual-door access control applications. This robust magnetic lock system delivers exceptional holding force and seamless integration with modern access control platforms, making it ideal for corporate offices, educational facilities, healthcare environments, and high-security installations requiring reliable door security.
Key Features
- Dual-Door Capability: Engineered specifically for double-door entrances with synchronized locking control
- Exceptional Holding Force: Maximum 272 kg (599.8 lbs) × 2 linear thrust per door—ensures doors remain secure under pressure
- Fail-Safe Design: Automatic unlocking during power loss prioritizes occupant safety in emergencies
- Multi-Door Type Compatibility: Works seamlessly with single leaf, double leaf, wooden, glass, metal, and fireproof doors
- Visual Status Indicators: Red LED indicates unlock status; green indicates locked—instant operational feedback
- Flexible Power Options: Operates on 12 VDC/500 mA or 24 VDC/250 mA for installation versatility
- Low Power Consumption: Efficient operation reduces energy costs across large deployments
- Reliable Signal Output: Dry contact signal output (max 3A) supports NO output during lock, NC during unlock for system feedback
Technical Specifications
- Type: Magnetic lock controller
- Power Supply: 12 VDC/500 mA or 24 VDC/250 mA
- Operating Temperature: −10 °C to +55 °C (14 °F to 131 °F)
- Operating Humidity: 0–95% relative humidity
- Dimensions: 480 mm × 49 mm × 25.5 mm (18.90" × 1.93" × 1.00")
- Weight: 4.2 kg (9.3 lbs)
- Construction: Hard anodized electroplated shell; eco-friendly zinc electroplated lock body and armature plate
Applications
Ideal for enterprise access control systems, secure facilities, government buildings, healthcare institutions, and any environment requiring dependable dual-door locking with emergency fail-safe capability. The DS-K4H250D integrates seamlessly with Hikvision access control platforms and third-party systems supporting standard dry contact protocols.
Jerry TildsenPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
The DS-K4H250D represents a mature, purpose-built solution for organizations managing high-traffic dual-door entrances. Its dual 272 kg thrust specification eliminates the need for separate lock units, simplifying installation and reducing system footprint. The flexible voltage options (12/24 VDC) accommodate diverse power infrastructure, while the dry contact output enables integration with legacy and modern access control ecosystems.
Wide temperature and humidity tolerances (−10 to +55 °C, 0–95% RH) ensure reliable operation in challenging environments—server rooms, cold storage, or industrial facilities. The fail-safe unlock mechanism addresses both security and life-safety codes, making it compliant with emergency egress requirements. Eco-friendly materials reflect Hikvision's commitment to sustainable manufacturing without compromising durability or performance.
Product Documentation
