Double Door Electromagnetic Lock SK-500S – 500KG 1200LBS Heavy Duty Maglock for Double Doors

500KG / 1200LBS Heavy Duty Double Door Electromagnetic Lock

The SK-500S is a heavy-duty 500kg / 1200lbs double-door electromagnetic lock — the strongest double-door maglock in our range. It combines two magnetic coils in a single 532mm body, runs on 12V DC, and unlocks automatically on power loss for fail-safe exit.

Key Features

• 500kg / 1200lbs holding force – maximum strength for heavy double doors.
• Double-door design – two coils in one 532mm body for double-leaf doors.
• Fail-safe operation – unlocks automatically on power cut for safe egress.
• Residual magnetism protection – no magnetic loss over time.
• Waterproof & anti-rust – sealed magnesium-aluminum alloy body.
• Wide compatibility – glass, wood, fire-rated and metal double doors.

Specifications

Model	SK-500S
Holding force	500kg / 1200lbs
Working mode	Fail-safe (unlocks on power loss)
Power	DC 12V
Material	Magnesium-aluminum alloy
Dimension	532 x 75 x 40 mm
Color	Silver
Applications	Heavy double glass doors, double wood doors, fire doors, metal double doors, main entrances

Applications

The SK-500S suits heavy double-leaf glass doors, wooden double doors, fire-rated double doors and metal double doors where maximum holding force is required. Its residual magnetism protection ensures consistent performance over years of use. As an OEM/ODM manufacturer, we supply it with custom logo and packaging options for distributors and project buyers worldwide.

Contact us for bulk pricing, samples or OEM/ODM customization.