The ChainMaster MB4 20H is an electric chain hoist used primarily in stage and event rigging for heavy lifting. As of 2026, it remains a standard option for fixed-speed rigging applications.
Key Specifications:
- Capacity: Typically rated for 1000 kg (1 ton) in a standard D8 configuration.
- Lifting Speed: Standard operational speed of 4 m/min (approx. 16 ft/min).
- Chain Length: Designed for use with up to 20 meters of chain.
- Safety Features:
- Overload Protection: Equipped with a friction clutch.
- Quiet Operation: Features a 5-pocket chain wheel and specialized body for low-noise performance.
- Durability: Built with a lightweight aluminum body and an IP44 or higher protection rating to withstand various environments.