The PowerMaster 26-39000 WMG-104 Watertite Gearhead Operator is a rugged and reliable solution engineered for commercial and industrial door systems requiring high performance and protection against moisture. Featuring a 1 HP motor operating on 230/460V three-phase, the WMG-104 delivers smooth and consistent operation for rolling steel, sectional, and other heavy-duty doors in demanding environments.
Its Watertite design ensures superior protection against water, dust, and debris, making it ideal for outdoor installations and harsh conditions. Built for continuous operation, this operator guarantees long-term reliability and consistent performance in warehouses, service bays, manufacturing facilities, and other high-demand commercial settings.
Fully compatible with PowerMaster commercial control systems and safety accessories, the WMG-104 provides dependable door automation solutions that meet industry standards.
Disconnect all electrical power before installation or servicing.
Securely mount the gearhead operator according to PowerMaster installation instructions.
Connect wiring for 230V or 460V three-phase operation.
Install all required safety devices, including photo eyes and emergency stops.
Set open and close travel limits.
Test motor operation without load to ensure smooth performance.
Engage the door and perform full operational testing.
Verify proper function of all safety systems before use.
Installation and maintenance must be performed by qualified personnel.
Confirm correct voltage selection prior to energizing the unit.
Disconnect all power sources before adjustments or servicing.
Do not operate without functional safety devices installed.
Conduct regular inspections for wear, damage, or abnormal operation.
Ideal for outdoor or wet-location door installations.
Recommended for warehouses, manufacturing facilities, service bays, and industrial settings.
Use monitored safety devices for enhanced compliance and safety.
Schedule routine inspections to maintain optimal performance.
Pair with PowerMaster access control systems for improved operation.
