Strip a hoist down and the story is simple: a motor turns a reduction gearbox, the gearbox turns a drum or a chain wheel, and the drum winds a wire rope — or the wheel pulls a chain — that lifts the load. Between the motor and the load sits a brake, and that brake is the part that deserves your respect. Every hoist sold for real work uses a fail-safe brake: when power is lost, the brake applies itself by spring force, and the load stays exactly where it is.

 

The control system decides direction and speed. On a basic hoist that means an up/down pendant; on better machines, two speeds or a variable-frequency drive so the load can be crept into position instead of jerked. The same family of components appears in a 1-ton workshop hoist and in the hoists that lift a suspended platform on a skyscraper facade — only the scale and the safety requirements change.

 

 

 

 

The workhorse. The rope winds onto a grooved drum, which gives predictable lift heights and good behaviour at speed. Capacities range from a few hundred kilograms to tens of tonnes. Wire rope hoists are the standard choice for material hoists, suspended platforms and general industrial lifting, and they tolerate outdoor use better than most alternatives.

 

 

A chain hoist pulls a calibrated load chain through a chain wheel. It is compact, light and easy to mount, which makes it the default for workshops, gantries and maintenance bays where headroom is tight. Electric chain hoists typically cover the lower capacity range; the trade-off is that they are less happy being run hard and long than a rope hoist of the same size.

 

 

A different animal. Instead of winding a rope, the machine climbs a fixed mast by driving a pinion against a rack, with the platform or cage riding up the mast. This is the technology behind construction hoists and mast climbing work platforms — machines that carry people and materials hundreds of metres up the side of a building, and that must meet the strictest safety rules because they are passenger-rated.

 

 

Some lifting jobs are better done hydraulically — smooth, powerful, and easy to control at very low speeds. Hydraulic systems have their own trade-offs, which deserve a separate discussion; if that is your direction, look for a dedicated comparison before committing.

 

 

This is the selection step most buyers skip, and the one that causes the most premature failures. Hoists are rated by duty group (the FEM/ISO classification system: M3, M4, M5 and up) and by duty cycle, written like “25% ED” — meaning the hoist is designed to run, on average, a quarter of the time and rest the rest.

 

A hoist sized for occasional use in a warehouse will overheat, burn out its motor or wear its brake if you run it continuously on a facade job. Before you buy, count the lifts per day, the average running time per lift, and the working days per year, and pick the duty group that covers that profile with a margin. A slightly more expensive hoist on paper is almost always cheaper than a hoist that fails mid-project.

 

 

 

Rated load is the headline number, but it is not the whole story. Add up what the hoist will actually lift — people, tools, materials, the platform itself — and keep a safety margin on top. For a suspended platform, the rated load is shared across the hoists, so two hoists on a 630 kg platform each carry a share, not the full load.

 

Lifting height depends on drum capacity on a rope hoist: the more rope the drum holds, the higher you can go. Speed is a working decision — a platform hoist that creeps at a few metres per minute is fine for window cleaning, while a construction hoist moving crews up twenty floors needs real speed to make the day productive. Two-speed and VFD machines give you both.

 

 

 

A modern hoist should come with, at minimum: a fail-safe electromagnetic brake; overload protection that cuts power before the machine is pushed past its rating; upper and lower limit switches on the lift travel; a rope end stop so the rope cannot be wound off the drum; an emergency stop on the pendant; and rope guides that keep the rope seated on the drum. If a supplier offers a hoist without these, or suggests they are “optional extras”, walk away.

 

 

 

Hoists fail in predictable ways, which means they are predictable to prevent. Test the brake under load before each shift starts. Inspect wire ropes for broken wires within one lay length, for wear, corrosion and distortion — and replace a suspect rope without debate, because ropes do not heal. Keep the gearbox oil and lubrication points on schedule, and record every inspection in a log book so the history is there when an auditor or an insurer asks.

 

 

 

Wire rope hoist or chain hoist — which is better?

For higher lifts, outdoor work and heavier or continuous duty, wire rope. For compact spaces, light capacity and budget installations, chain. Both are reliable when sized correctly; the mistake is choosing on price instead of on the duty profile.

 

What does a 25% duty cycle mean?

The hoist is designed to run 25% of the time and rest 75% — averaged over a typical working cycle, so a 4-minute cycle would include 1 minute of lifting. If your job runs the hoist longer than that on a regular basis, you need a higher duty rating.

 

Can I use a material hoist to carry people?

Only if the hoist and the platform are explicitly designed, certified and inspected for passenger use. Carrying people on equipment rated for goods alone is one of the fastest ways to turn a worksite into a fatality. The certification — not the appearance of the machine — is what allows people on board.

 

How often should hoists be inspected?

Daily operator checks before use, plus periodic thorough examinations by a competent person on a schedule set by the manufacturer, the standard and local law — commonly every few months in continuous use. Every inspection should be documented.

 

 

 

Hoists are at the heart of everything Powerston builds — suspended platforms, construction hoists, material hoists and transport platforms. The company has been exporting lifting and access equipment for more than 18 years, with CE and EAC certification across the range. If you are specifying a hoist and want an honest read on capacity, duty and budget, get in touch through powerston.com and send your load and cycle details.