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Hikvision Single-Door Magnetic Lock – DS-K4H250S(O-STD) -Premium Electromagnetic Locking Solution for Single Door Access Control The Hikvision DS-K4H250S(O-STD) is a high-strength, industrial-grade electromagnetic lock engineered to deliver superior single-door security performance in any commercial, institutional, or government facility. Built for...
The Hikvision DS-K4H250S(O-STD) is a high-strength, industrial-grade electromagnetic lock engineered to deliver superior single-door security performance in any commercial, institutional, or government facility. Built for reliability and designed with simplicity in mind, this lock offers a 300 kg holding force, durable anodized aluminum construction, and seamless integration into a wide range of access control systems. Its fail-safe operation ensures that it will unlock in the event of a power outage, making it fully compliant with safety regulations for emergency egress.
With silent operation, easy surface mounting, and support for real-time door monitoring via NO/NC dry contacts, this magnetic lock is ideal for entry points that require strong access control without sacrificing aesthetics or usability. Whether you’re securing an office, laboratory, corridor door, or restricted zone, the DS-K4H250S(O-STD) combines safety, performance, and scalability into one trusted unit.
300 kg Holding Force for Single-Door Security
The DS-K4H250S(O-STD) delivers a powerful 300 kg (approximately 660 lbs) electromagnetic holding force, making it exceptionally strong for securing single doors in high-traffic, high-risk environments. This ensures that once engaged, the door cannot be forcibly opened without proper system authorization or release.
Fail-Safe Operation for Emergency Compliance
As a fail-safe electromagnetic lock, this device will automatically unlock if power is lost. This feature is crucial in emergencies such as fires or electrical failures, ensuring occupant safety while complying with international safety codes for emergency exits and building regulations.
Robust Anodized Aluminum Housing
Built with high-quality anodized aluminum, the DS-K4H250S(O-STD) resists corrosion and environmental damage. It maintains structural integrity and aesthetic appeal even in exposed or humid conditions, making it suitable for indoor and semi-outdoor installations.
Silent, Vibration-Free Performance
Unlike traditional mechanical locks, this electromagnetic solution operates silently without any moving parts. Its vibration-free design reduces wear and tear and allows for maintenance-free operation over extended periods, which is especially advantageous in quiet zones like hospitals, schools, libraries, and executive areas.
Real-Time Lock Monitoring with NO/NC Output
This model provides NO/NC signal output for real-time door status detection, enabling the connected access control panel or software to detect if the door is open, closed, or being forced. This boosts security by alerting administrators to unauthorized access attempts or door misuse.
Surface-Mount Installation for Quick Setup
The DS-K4H250S(O-STD) is designed for fast, surface-mounted installation on wooden, metal, or glass doors (with appropriate brackets). It simplifies deployment and reduces installation costs for both new projects and retrofit upgrades.
Compatibility with All Standard Access Systems
The device is fully compatible with Hikvision’s complete range of biometric terminals, card readers, and keypad modules. It also works with third-party access controllers and fire alarm systems using dry contact signals, allowing it to serve in almost any integrated security setup.
| Parameter | Details |
|---|---|
| Lock Type | Electromagnetic Lock for Single Door |
| Holding Force | 300 kg (660 lbs) |
| Working Voltage | 12V DC ±10% |
| Current Consumption | ≤420 mA |
| Signal Output | Dry Contact (NO/NC) |
| Lock Housing Material | Anodized Aluminum |
| Surface Finish | Silver Anodized |
| Application | Wooden, Metal, or Glass Door (with bracket) |
| Operating Temperature | -10°C to +55°C |
| Operating Humidity | 0% to 95% RH (non-condensing) |
| Lock Dimensions | 250 × 47 × 25 mm |
| Armature Plate Dimensions | 180 × 38 × 11 mm |
| Installation | Surface Mount (Top of Door Frame) |
| Weight | Approx. 2.4 kg |
When securing a single entry point—whether it’s an internal office door, secure laboratory, or customer service room—you want more than just a lock. You want dependable strength, trusted technology, and system compatibility that lets you integrate seamlessly with the rest of your security setup. The Hikvision DS-K4H250S(O-STD) electromagnetic lock delivers all of this and more. Its fail-safe design means it always prioritizes life safety during power loss, while its 300 kg of holding force and anti-corrosion build ensure that unauthorized access remains physically impossible during operation.
Purchasing this lock from Mwanga gives you a significant edge. Mwanga is not just a seller of Hikvision products—we are your security integration partner. We provide expert consultations, installation guidance, and post-sale support to ensure that your system performs exactly as it should. Every unit sold by Mwanga is 100% original, covered under manufacturer warranty, and backed by our team of access control professionals who understand the nuances of door security, local compliance, and how to tailor solutions to your exact building layout.
At Mwanga, we go beyond shipping products. We help you secure the future of your facility. By choosing Mwanga, you're not only getting a high-performance lock, but a relationship with a dedicated access control partner who ensures your door security works flawlessly from day one and keeps working for years to come.
Corporate Offices and Executive Suites
Maintain controlled access to sensitive rooms, conference halls, or manager offices with silent operation and secure performance.
Universities, Schools, and Educational Facilities
Use on staff rooms, storage closets, or restricted admin offices that require consistent locking without mechanical failures.
Hospitals, Clinics, and Laboratories
Ensure clean, quiet, and secure zones by avoiding mechanical parts that require lubrication or make noise.
Retail and Cash Handling Rooms
Add security to areas where cash, receipts, or high-value stock is managed daily without interfering with customer flow.
Data Centers and Network Closets
Protect your most critical infrastructure by pairing this electromagnetic lock with fingerprint or face-recognition terminals for high-security control.
Q: Can this magnetic lock be used on a frameless glass door?
Yes, but you will need an appropriate mounting bracket (sold separately) such as an LZ bracket to properly install it on frameless glass.
Q: Will the lock stay engaged during a power cut?
No. It is a fail-safe electromagnetic lock, meaning it automatically disengages when power is lost, allowing for emergency exit and compliance with fire safety regulations.
Q: Is it compatible with Hikvision biometric or card access systems?
Absolutely. The lock is fully compatible with all Hikvision access control products and most third-party controllers using 12V dry contact output.
Q: What makes this model different from standard electric bolt locks?
Magnetic locks like the DS-K4H250S offer silent, vibration-free operation and do not rely on moving mechanical parts, which reduces failure rates and minimizes maintenance.
Q: Why should I buy this lock specifically from Mwanga?
Because Mwanga guarantees original Hikvision products, full manufacturer warranty, expert integration advice, and responsive support. You’ll never be left to guess how to install or configure your lock—we’re here to help before and after your purchase.
