Electromagnetic Door Holder

Professional electromagnetic door holder with 120lbs holding force and dual voltage 12V/24V DC operation. Features aluminum alloy construction, low power consumption, and manual release button. Compatible with fire alarm systems and suitable for wall, floor, and glass door installations. Ensures automatic door closure during fire emergencies with fail-safe power-off release.

Professional magnetic fire door holder with 50kg holding capacity and dual voltage operation (12V/24V DC). Features anti-residual magnetism design, low power consumption, and automatic release during fire alarms. Certified for smoke-proof doors with 3-year warranty and environmental zinc finishes.

Professional electromagnetic door holder designed for glass door installations with 60kg holding capacity. Features dual voltage operation (12V/24V DC), alarm system integration, automatic fire safety closure, and zinc alloy construction. Ideal for commercial and industrial applications requiring reliable door control and emergency response capabilities.

Heavy duty electromagnetic door holder with 60kg holding capacity and dual voltage operation (12V/24V DC). Features anti-residual magnetism design, automatic fire door release, MOV reverse current protection, and zinc alloy finishes. Ideal for smoke-proof door installations with low power consumption and professional safety features.

Professional wall mount electromagnetic door holder with 110 lbs holding force and anti-residual magnetism design. Features dual voltage operation (12V/24V DC), automatic fire door release, and built-in reverse current protection. Ideal for smoke proof doors with 3-year warranty and low power consumption for enhanced security applications.

Professional 24V electromagnetic door holder with 50kg holding force and manual release button. Features low power consumption, anti-residual magnetism design, and automatic fire door release. Suitable for all smoke-proof doors with dual voltage operation (12V/24V DC) and 3-year warranty for reliable safety performance.

Professional electromagnetic door holder with 110lbs holding force and dual voltage operation (12V/24V DC). Features anti-residual magnetism design, low power consumption, and automatic fire door release. Certified for smoke proof doors with 3-year warranty and environmental zinc finishes. Ideal for commercial and industrial safety applications.

Professional electromagnetic door holder with 50kg holding capacity and dual voltage operation (12V/24V DC). Features low power consumption, anti-residual magnetism design, and automatic fire door release. Suitable for smoke-proof doors with environmental protection zinc finish and reverse current protection.

Professional magnetic electric door holder with 60kg holding capacity and dual 12V/24V DC voltage operation. Features anti-residual magnetism design, LED indicators, and automatic fire alarm integration. Zinc alloy construction with silver plating finish, suitable for smoke-proof door installations with temperature range -10°C to 55°C.

Professional electromagnetic door holder with 60kg holding capacity and dual voltage operation (12V/24V DC). Features alarm integration for automatic door release during emergencies, anti-residual magnetism design, and LED indicators. Made from zinc alloy with shine silver plating, suitable for all smoke-proof door applications. Includes 3-year warranty and lifetime technical support.

Professional electromagnetic door holder with 60kg holding capacity and dual 12V/24V DC operation. Features zinc alloy construction, fire safety compliance, LED indicators, and automatic emergency closure. Certified for glass door installations with 3-year warranty and custom design options available.

Professional electromagnetic door holder with 60kg holding capacity and dual voltage operation (12V/24V DC). Features low power consumption, anti-residual magnetism design, and automatic fire safety door closure. Made from zinc alloy with silver plating, suitable for smoke proof doors with 3-year warranty and lifetime technical support.

Professional heavy-duty electromagnetic door holder with 60kg holding capacity and dual voltage operation (12V/24V DC). Features emergency release button, fire alarm integration, and sensor feedback. Designed for commercial and industrial smoke-proof door applications with low power consumption and safety certifications.

Heavy-duty floor-mounted magnetic door holder with 60kg holding capacity and automatic fire alarm release. Features dual voltage operation (12V/24V DC), anti-residual magnetism design, and MOV reverse current protection. Suitable for all single and double smoke proof doors with zinc alloy construction and 3-year warranty.

Professional 110lbs holding force electromagnetic door holder with anti-residual magnetism design for smoke proof applications. Features dual voltage operation (12V/24V DC), low power consumption, and automatic fire emergency closure. Certified for 50kg load capacity with 3-year warranty and environmental protection finishes.

Professional 110 lbs magnetic door holder with 50kg holding capacity and dual voltage operation (12V/24V DC). Features anti-residual magnetism design, automatic fire alarm release, and MOV reverse current protection. Designed for smoke proof doors with 3-year warranty and low power consumption for energy efficiency.

Professional wall-mounted electromagnetic fire door holder with 50kg holding capacity and dual voltage operation (12V/24V DC). Features anti-residual magnetism design, low power consumption, and automatic release during fire alarms. Compatible with all single and double smoke proof doors, backed by 3-year warranty.

Professional JS-31 electromagnetic door holder with 50kg holding capacity and dual voltage operation (12V/24V DC). Features anti-residual magnetism design, automatic fire alarm release, and MOV reverse current protection. Certified for smoke proof doors with 3-year warranty and low power consumption design.

Heavy-duty ANSI wall mount door holder with 120lbs holding force. Features low power consumption, manual release button, and MOV reverse current protection. Durable 304 stainless steel case with wire draw finish. Ideal for smoke proof doors. Custom voltage and logo options available.

Heavy-duty 120 lbs holding force with low power consumption. Features manual release, MOV reverse current protection, and fail-safe operation. Suitable for smoke-proof doors. Durable 304 stainless steel housing with wire-drawn finish. Custom voltage options available.