OB280 Series – 280kg(600lb) Magnetic Lock
The OUBAO OB280 Series magnetic Lock is our standard-duty magnetic locking solution, delivering 280kg (600lbs) of holding force — the ideal balance of security strength and operational efficiency for everyday commercial applications.
Engineered with a high-grade aluminum housing and a precision-machined armature plate, this lock generates powerful magnetic adhesion when energized, ensuring reliable door securing without any mechanical wear. Its fail-safe design automatically releases the door upon power failure, fully complying with international fire safety and emergency egress codes.
Multi-Certified for Global Markets — UL Listed by Underwriters Laboratories for access control system units and burglary-resistant electric locking devices; CE marked for European conformity; FCC compliant for electromagnetic interference standards in North America; RoHS and REACH certified, ensuring freedom from hazardous substances and full chemical safety compliance. The OB280 is a trusted, regulation-ready choice for commercial installations worldwide.
Engineered with a high-grade aluminum housing and a precision-machined armature plate, this lock generates powerful magnetic adhesion when energized, ensuring reliable door securing without any mechanical wear. Its fail-safe design automatically releases the door upon power failure, fully complying with international fire safety and emergency egress codes.
Multi-Certified for Global Markets — UL Listed by Underwriters Laboratories for access control system units and burglary-resistant electric locking devices; CE marked for European conformity; FCC compliant for electromagnetic interference standards in North America; RoHS and REACH certified, ensuring freedom from hazardous substances and full chemical safety compliance. The OB280 is a trusted, regulation-ready choice for commercial installations worldwide.
Product Parameters
| Item No. | OB280H | OB280HA | OB280HB | OB280F | OB280FA | OB280T | OB280TA | OB280TB |
|---|---|---|---|---|---|---|---|---|
| Working voltage | 12VDC(24VDC upon request) | |||||||
| Working current | 400mA | 400mA*2 | ||||||
| Operating temperature | -25 ℃~60 ℃ | |||||||
| Working humidity | 10%~90%RH | |||||||
| Feature | Power off to unlock (Fail safe) | |||||||
| Installation method | Hanging installation | Mortise installation | Hanging installation | |||||
| Holding Force | 280KG±10% | 280KG±10%*2 | ||||||
| Door opening angle | 90° | / | 90° | |||||
| Panel material | High strength aluminum alloy | |||||||
| Finish | Oxidation & brushed finishing | |||||||
| Signal output | / | NO/COM/NC | / | NO/COM | / | NO/COM/NC | ||
| Indicator light | Power indicator | Red shows locked ; Green shows unlocked | / | Power indicator | Red shows locked ; Green shows unlocked | |||
| Time delay adjustment | / | / | 0-10s | / | / | / | / | 0-10s |
| Standard sizes | 238*47*27 mm | 260*42*27 mm | 476*47*27 mm | |||||
| Scope of application | Wooden door, Glass door, Metal door | |||||||
| Certification | UL certificate, CE certificate, RoHS, REACH, FCC | |||||||
Application Scenarios
Commercial Buildings: Offices, shopping malls, hotels, restaurants and retail stores
Public Facilities: Hospitals, schools, airports, libraries and government buildings
Fire Safety: Fire doors, stairwells and emergency exit passages
Residential & Apartments: Entrance doors, common areas and multi-family housing
Industrial & Special Use: Factories, server rooms, climate-controlled spaces and high-traffic areas
