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YLI: YM-280DW-S(SS304)

YLI YM-280DW-S(SS304) 280kg Double Door Magnetic Lock with Waterproof(600Lbs x2)

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280kg x 2 (600Lbs x 2) holding force, DC12V(Default); DC24V(Adjustable), 12V/500mA(±10%)x2 ; 24V/250mA(±10%)x2, Anodized hard plating (500-hour salt spray test report) casing, fail-safe operation.

The YLI YM-280DW-S(SS304) delivers 280kg x 2 (600Lbs x 2) of static holding force designed for commercial access control. Built with high-strength anodized aluminum casing, zero residual magnetism, and 240-hour anti-corrosion salt spray certification.

verified280KG x 2 Holding ForceverifiedNO/NC/COM FeedbackverifiedIP68 Weatherproofverified0.5s Fast Release
KES 17,980.00KES 21,200.00
local_offerSave KES 3,220 today
3 Years Manufacturer Warranty

Product Overview

YM-280DW-S(SS304) Waterproof double magnetic lock with signal output is designed for metal doors, wooden doors, fireproof doors, glass doors, it's IP-68 rated.can be used outdoors and environment with high humidity and high salinity. The shell and mounting plate are made of 304 stainless steel. There is a set of lock status signal (NO/COM) output contacts. The lock body is equipped with a large LED light. The green light indicates unlocking , and the red light indicates locking.YLl magnetic lock cores are produced with robotic laser welding technology, providing 2 to 3 times stronger impact resistance and torsional resistance than conventional production processes. The surface is treated with the internationally leading electroplating process and the lock itself has passed the 240-hour salt spray test in the national laboratory, achieving excellent performance of anti-oxidation, anti-rust and anti-corrosion.Our company offers a complete range of brackets for different locks.

Why Buy This Product

Certified 280kg x 2 (600Lbs x 2) Holding Force

Rigorously tested to resist up to 280kg x 2 (600Lbs x 2) of direct pull force, providing impenetrable magnetic locking against forced intrusions.

Robotic Laser Welded Core

Built with robotic laser welding technology, offering 2 to 3 times superior impact resistance and torsional rigidity compared to standard castings.

Instant 0.5s Demagnetization

Integrated mechanical push-off pin and precision demagnetizing coil completely eliminate residual magnetism, preventing sticky door release.

240-Hour Salt Spray Protection

Multi-layer electroplating and anodized shell exceed 240-hour salt spray corrosion tests, guaranteeing rust-free operation for years.

Best for These Applications

Corporate Double Glass Entrances

Securing twin-leaf main entrance glass, wooden, or metal doors in high-traffic offices.

Life Safety Emergency Exits

Fail-safe compliance ensuring instantaneous door release upon building fire alarm activation.

Financial Institutions & Vaults

Heavy-duty dual magnetic retention for bank branch entrances, cash rooms, and record archives.

Hospitals & Healthcare Facilities

Controlled access for hospital double swing corridor doors and restricted surgical wings.

Key Advantages

  • Zero Residual Magnetism Mechanism:An anti-residual magnetism kick-off pin and precision demagnetizing circuit discharge residual flux within 0.5s when power is cut, preventing door drag.
  • UL94 V-0 Flame-Retardant Encapsulation:Electromagnet coils are encapsulated with American UL-certified fireproof resin, sealing out humidity, dust, and electrical breakdown risks.
  • Integrated MOV Surge Suppression:Built-in metal-oxide varistor absorbs back-EMF inductive voltage spikes, protecting sensitive access controllers and power supply relays.
  • Universal Bracket Hardware Compatibility:Engineered for seamless mounting with YLI MBK-series L-brackets, ZL-brackets for in-swing doors, and U-brackets for frameless glass doors.

Frequently Asked Questions

The YLI YM-280DW-S(SS304) is an authentic fail-safe electromagnetic lock. The moment electrical power is cut or when a fire alarm emergency relay opens, the lock instantly releases, ensuring unrestricted escape in accordance with international life safety regulations.
We recommend a dedicated 12VDC or 24VDC linear or switching access control power supply providing at least 1.5A per lock leaf. Using an auxiliary 12V 7Ah backup battery ensures the lock remains energized during temporary power cuts.
For outward-opening doors, the YM-280DW-S(SS304) mounts directly to the frame with the supplied armature plate. For inward-opening doors, a matching YLI ZL-bracket is required. For frameless glass doors, use a compatible YLI U-bracket (e.g. MBK-280U).
No. Because the YM-280DW-S(SS304) operates purely by magnetic flux without moving latches, gears, or motor brushes, there are no mechanical parts to wear down. Occasional cleaning of the contact surfaces ensures over 500,000 problem-free cycles.

Technical Specifications

ParameterSpecification
Product Weight4.2
Shipping Weight4.83
Lock Typedouble
Holding Force Kg560
Holding Force Lbs1200
Holding Force Text280kg x 2 (600Lbs x 2)
Lock Dimensions516Lx48Wx35H(mm)
Armature Dimensions180Lx38.8Wx13.2H(mm)
Operating VoltageDC12V(Default); DC24V(Adjustable)
Current Draw12V/500mA(±10%)x2 ; 24V/250mA(±10%)x2
Signal OutputLock Signal NO/COM
Led IndicatorNo
Door Status SensorNo
Time DelayNone
Suitable ForWooden door, Glass door, Metal door, Fireproof door
Bracket CompatibilityMBK-280NLã, MBK-280NZLã, MBK-280NLCã, MBK-280Uã, MBK-280GUã, MBK-280Iã, MBK-280NGZã, MBK-280ZLC
Operating Temperature-30°C~+66°C (-22~151F)
Surface TemperatureWithin 20°C above ambient temperature
Suitable Humidity0~95% relative humidity
Ip RatingIP68
Shell MaterialAnodized hard plating (500-hour salt spray test report)
Magnetic MaterialZinc
Armature MaterialZinc
CertificationsCE-EMC, CE-LVD, RoHS, IP68
Residual Magnetism TestDemagnetization and unlocking within 0.5 seconds
Salt Spray Test240-hour exposure (National laboratory report)
Durability TestPassed 1 million tests
Anti Residual DesignYes
Overvoltage Test125% overload normal operation
Undervoltage Test85% input voltage pull force test
Lock Core CertificationEncapsulation with American UL-certified fireproof resin
Voice PromptNo
BuzzerNo
Camera SensorNo
Flame RetardantPotting with flame-retardant resin (grade :V-0)
Packing Quantity8
Packing Size62*14.5*14.3
Gross Weight Kg16.56
Stock9
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