Description of product as follows:
1. Lifting electric motor cover
It made of high strength and light aluminum alloy but hard and fit for the use in the terrible work environment with a high heat dissipation rate and all tightness design.
2. Inverse phase sequence protecting device:
It is the special electrical installation, which control the circuit not to work in case of wiring error in the power supply.
3. Limit switch:
The limit switch device is installed where the weight is lifted on and off to make the motor to stop automatically so as to prohibit the chains from exceeding for safety.
The product attribute:

Lifting Speed 8.8m/min
Limit Switch yes
Phases 3
Rotation speed 1440r/min
Frequency 50hz/s
Voltage 200v-480v
Power 3.0Kw
I-Beam 82mm-153mm