500KG Double Door Electromagnetic Lock: Maximum Strength for Heavy Double Doors
Most double-door maglocks top out at 280kg. The SK-500S double-door electromagnetic lock delivers 500kg / 1200lbs of holding force — the strongest double-door maglock in our range.
Why a 500KG Double Door Lock
Heavy double-leaf doors — thick glass storefronts, wide wooden double doors, fire-rated double doors — need serious holding force. The 500kg / 1200lbs rating gives a wide safety margin for these high-stress, high-security double-door applications.
Residual Magnetism Protection
Over years of use, cheap maglocks lose holding force to residual magnetism buildup. The SK-500S includes residual magnetism protection, so the lock maintains consistent holding strength across its entire service life.
Waterproof and Built to Last
The sealed magnesium-aluminum body is waterproof and anti-rust, so the lock holds up outdoors as well as inside. The dual PCB design supports series connection for convenient single-side wiring.
Specifications
- 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
- Protection: Residual magnetism protection, waterproof
Where the 500KG Double Door Lock Fits Best
- Heavy double glass doors – premium storefronts and main entrances.
- Wide wooden double doors – office and residential double-leaf entrances.
- Fire-rated double doors – fail-safe release under fire code.
- Metal double doors – industrial and warehouse double-door access.
Getting Started
As an OEM/ODM manufacturer, we supply the SK-500S with custom logo and packaging options for distributors and installers. Contact us for samples, bulk pricing or OEM/ODM customization.