Our patented AC brake for the main hoist motor will reduce the overheat of electric motor and brake system.

When power on the AC brake will release within 10ms, it's about the time that power on motor shatt start spinning delay time.

By using DC brake when power on, brake releasing time at least need 100ms. Then the motor shaft start spinning several turns,

brake still hold in certain strength, will produce the heat accordingly. Our AC brake will not have heat accumulation.