A. Hoists & Lifting Equipment
Electric Hoist
electric hoist, electric stage hoist, motorized hoist
What is a Electric Hoist?
An electric hoist is a general term for any motorized lifting device powered by an electric motor. In stage machinery, electric hoists encompass both wire rope hoists and chain hoists used for lifting scenery, lighting, curtains, and equipment. They replace manual hoisting systems with motorized precision and safety.
How It Works
All electric hoists share the same fundamental principle: an electric motor converts rotational energy through a gearbox into linear lifting motion via rope or chain. The key differentiator from manual systems is the integration of electronic controls, variable speed drives, safety brakes, and position feedback systems.
Key Specifications
| Parameter | Typical Range |
|---|---|
| Power | 0.37kW – 15kW |
| Voltage | 380V / 440V 3-phase |
| Control Voltage | 24V DC (safety extra-low voltage) |
| IP Rating | IP44 (indoor) / IP55 (outdoor) |
| Ambient Temperature | -10°C to +40°C |
| Insulation Class | F or H |
Applications
- Any venue requiring motorized lifting: theaters, studios, arenas, houses of worship, convention centers
Related Standards
- IEC 60204 — Electrical equipment safety
- EN 17206:2021 — Stage machinery safety