The L series sliding gate operators are used to drive sliding gates for industrial, commercial and residential uses. The operators can be fitted with gear wheel or chain wheel according to your needs, and featured with powerful starting strength, capable of overwork at short time. In case of power failure, an emergency release key allows operate gate manually. Advanced Features The selflocking oil immersed electromechanical gear motor keeps the gate completely closed Motor torque adjustment Gear-drive or chain-drive is optional Magnetic or spring limit switch is optional Stop on closing obstruction Emergency release key in case of power failure Overheat & overload dual protection Emergency release key in case of power failure Output available to photocells, loop detector, IC card, alarm lamp and remote controller.