Hook-Type Electric Chain Hoist

Rated Lifting Capacity

0.1 t – 100 t. Common specifications: 0.25 t, 0.5 t, 1 t, 2 t, 3 t, 5 t, 10 t, 20 t, 30 t, 50 t, 60 t

Special customization available up to 100 t.

Lifting Height

Standard: 3 m, 6 m, 9 m, 12 m, 18 m, 24 m, 30 m
Special Customization: Up to 120 m

For heights > 20 m, the dead weight of the chain must be considered.

Work Duty Class

General H4 (equivalent to FEM standard M5); Heavy-duty H5/H6

Indicates operating frequency and load intensity.

Cyclic Duration Factor

Standard 25% (FC = 25%); Some industrial models 40%

Within a 10-minute cycle, cumulative operation ≤ 2.5 min / 4 min.

Ambient Temperature

-20 ℃ ~ +40 ℃ (Standard)
-25 ℃ ~ +60 ℃ (Special Type)

Special customization required for conditions outside this range.

Relative Humidity

≤ 85% (Non-condensing)

Protection class IP54 or above required for high-humidity environments.

Power Supply

Three-Phase: 380 V / 400 V / 415 V, 50 Hz / 60 Hz
Single-Phase: 220 V, 50 Hz (Small Models)

Control circuit typically uses 36 V safety voltage.

Lifting Speed

Single-Speed:
0.5 t – 5 t: 8 – 12 m/min
10 t: 7 – 10 m/min
20 t: 4 – 7 m/min

Dual-Speed:
Normal / Creep ≈ 10:1 (e.g., 8/0.8 m/min)

VFD:
0.1 – 20 m/min (Adjustable)

Speed decreases for large tonnage to ensure smooth, stable operation.

Operation Mode

Fixed (Suspended), Manual Trolley, Electric Trolley, Low Headroom

Electric trolley speed typically 20 m/min.

Control Method

Ground Pendant Control (Standard, 6 m cable)
Wireless Remote Control (Optional, distance ≥ 50 m)
Cabin Control (Large Models)

Pendant voltage 24 – 36 V safety voltage.

Protection Class

Standard IP44 (Indoor)
Industrial IP54 (Dustproof & Waterproof)
Special IP55

Select higher protection class for harsh environments.

Chain Material

Grade 80 / Grade 100 Alloy Steel (FEC 80/100), Tensile Strength ≥ 800 MPa

Breaking load is 5 – 6 times the rated load.

Braking System

Dual Brake (Electromagnetic + Mechanical), Braking Torque ≥ 1.5 times Rated Torque

If one brake fails, the other can still perform safe braking.

Limit Protection

Upper & Lower Bidirectional Limit Switches (Power Cut-Off Type)

Prevents the hook from crashing into the top or bottom.

Overload Protection

Warning at 105% Rated Load, Power Cut-Off at 110% Rated Load, Accuracy ±3%

Prevents equipment overload and damage.

Insulation Class

Class F (155 ℃) or Class H (180 ℃)

Adapts to high-intensity work and high-temperature environments.

Number of Chain Falls

Single Chain (0.1 t – 5 t), Double Chain (2 t – 30 t), Triple Chain (10 t – 50 t), Quadruple Chain (20 t – 100 t)

Larger tonnage requires a