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Brushless Industrial Door Motor Torsion Spring-Free Installation for Rolling Doors

The Brushless Industrial Door Motor is a next-generation rolling door operator designed to eliminate traditional torsion spring systems entirely. Engineered for industrial warehouses, logistics centers, commercial facilities, and heavy-duty applications, this motor delivers simplified installation, reduced maintenance, and superior operational reliability.
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No-Torsion-Spring Brushless MotorNo-Torsion-Spring Brushless Motor for Industrial Rolling DoorsBrushless-Industrial-Door-Motor_02Brushless-Industrial-Door-Motor_04Brushless-industrial-liftgate-door-motor_01_03Brushless-Industrial-Door-Motor_07Brushless-industrial-liftgate-door-motor_01_07Brushless-Industrial-Door-Motor_05

Model JMJ60DT-AD-LHWS JMJ92DT-AD-LHWS JMJ107DT-AD-LHWS
Rated Voltage 220V 50Hz 220V50Hz 220V 50Hz
Rated Wattage 300W 400 W 700W
Rated torque 60 N.m 92 N.m 107 N.m
Rated RPM 36.0r/min 32.0r/min 30.0r/min
Bracket plate output torque
(40 teeth/20 teeth)
120 N.m 184 N.m 320 N.m
Bracket plate output speed
(40 teeth/20 teeth)
18.0r/min 16.0r/min 10.0r/min
Continuous operation thermal protection ≥8min ≥8min ≥8min
Rated operating time 5min 5min 5min
Lift gate weight 120kg 200kg 400kg
Insulation level E standard E standard E standard
Standardized reel diameter 6” 6” 6”
Maximum Lifting Height 6m 6m 9m
Operating Temperature -20℃~+50℃ -20℃~+50℃ -20℃~+50℃
Standard DB 35/T 1111-2019 DB 35/T1111-2019 DB 35/T1111-2019
Outside mounted bracket plate speed 18-20 rpm/min 18-20 rpm/min /
Inside mounted bracket plate speed 16 rpm/min 16 rpm/min 10 rpm/min

Brushless-Industrial-Door-Motor_08

Parameter
Model Nominal Torque  N.m

Max.Braking

 Torque N.m

Braking Speed
rpm/min-1

Screw Tightenin

g Torque N.m

Weight
Kg
404 404 1979 14 5 4.3
708 708 3299 12 6 10
1017 1017 3509 7.3 30 11.8

No Torsion Spring Needed
Traditional rolling door motors require precise torsion spring tension calculation and professional installation. Our brushless motor uses direct-drive torque output with electronic limit positioning, enabling:
Faster deployment – Reduce installation time by 50-70%
Lower labor costs – No specialized spring technicians required
Safer setup – Eliminate high-tension spring injury risks
Flexible retrofit – Upgrade existing doors without structural modification
【为什么选择我们 | Why Choose Us】
Fujian Anlin Intelligent Science And Technology Co., Ltd.
Based in Zhangzhou, Fujian, China – Serving Global Industrial Clients
✅ 15+ years R&D in intelligent door control systems
✅ CE / ISO9001 / SGS certified manufacturing
✅ OEM/ODM customization available
✅ Comprehensive technical support & global distribution network


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