Hoist & Winch Drive
Motor, Gearbox & Brake Selection
Hoist and winch drives are intermittent duty with high peak torque, frequent reversals and a safety brake that has to hold the load without exception. The motor is rated on the duty cycle, and the brake on the worst-case load.
Send us the load, speed, duty cycle and safety requirements. We select the motor, gearbox, drive and brakes, and quote them as one package with the duty class stated.
What we need from you to select this drive
The more of this you send, the faster and more accurate the selection. If you only have part of it, send what you have — we will tell you what is still missing.
Duty data and site conditions
| Load | Hoisting load in t, including the conveyance or hook load |
|---|---|
| Speed | Hoisting speed in m/s, and whether speed control is required |
| Geometry | Drum or sheave diameter in mm, rope reeving, lift height in m |
| Duty cycle | Duty class S3 / S4 / S5, starts per hour, cycle time, cyclic duration factor |
| Braking | Service brake and safety brake requirements, holding torque, stopping distance |
| Power supply | Voltage, frequency, phases, permitted voltage drop, medium-voltage requirement |
| Safety requirements | Overspeed protection, rope slip monitoring, emergency stop category |
| Site conditions | Ambient temperature, altitude, indoor or outdoor, hazardous area |
How we select it
- 1
Establish the load diagram across the full cycle and the resulting RMS power.
- 2
Select the motor against the duty class and the cyclic duration factor, with the thermal margin stated.
- 3
Match the ratio to the drum speed and confirm the output torque and brake torque rating.
- 4
Select the drive for the four-quadrant operation and confirm the braking and energy handling.
- 5
Specify the service and safety brakes, then quote the package with the duty class stated.
Selection points that decide the outcome
Rate on the duty cycle, not on the peak
Intermittent duty is rated on RMS power over the cycle, but the peak torque and the thermal margin still have to be checked. Both matter.
Four-quadrant operation
Lowering a load regenerates energy. The drive has to handle regeneration, with a braking resistor or a regenerative front end specified.
Safety brake rating
The safety brake is rated for the worst-case load and must hold independently of the motor and drive. State the holding torque requirement separately.
Drum and rope matching
Rope diameter, drum diameter and the fleet angle determine the mechanical design. Confirm them before the gearbox is finalised.
Emergency stop behaviour
A controlled emergency stop is not the same as a brake drop. Define the required stopping distance and the emergency stop category.
An indicative package
An example of how a selection comes together. Your figures will differ — this is to show the level of detail we return with a quotation, not a fixed configuration.
Duty
Mine hoist · 8 t payload · 6 m/s · 400 m lift · S5 duty · 6 kV supply
Package
- Motor: medium-voltage motor rated on the RMS duty cycle with the peak torque checked
- Gearbox: Flender heavy-duty gear unit matched to the drum speed and torque
- Drive: four-quadrant medium-voltage drive with regeneration handling
- Brakes: service brake plus an independent safety brake rated for the worst-case load
- Safety: overspeed protection, rope slip monitoring and controlled emergency stopping
What we supply for this duty
Motors
- Innomotics SIMOTICS low-voltage and medium-voltage motors
- WEG W22, W51 HD and medium-voltage ranges
- ABB IEC, NEMA and medium-voltage motors
Gearboxes
- Flender helical and bevel-helical gear units, 3,100 – 1,400,000 Nm
- Flender FLENDER ONE
- WEG WG20 gear units
Drives
- Siemens SINAMICS S120, G150 and S150 four-quadrant drives
- ABB ACS880 and DCS880 DC drives
- ABB ACS580MV and ACS6080 medium-voltage
- WEG CFW11 and CFW901
Couplings and brakes
- Flender ARPEX, ZAPEX and N-EUPEX couplings
- Service and safety brakes
- Braking resistors and regenerative front ends
Control and safety
- Siemens SIMATIC S7-1500 with safety functions
- B&R X20 with SafeLOGIC
- Overspeed protection and rope slip monitoring
Ratings we can supply
Typical ratings available
| Motor power | Low-voltage to multi-megawatt medium-voltage, rated on the duty cycle |
|---|---|
| Duty class | S3 / S4 / S5 intermittent duty, with the cyclic duration factor stated |
| Medium-voltage drive | Innomotics Perfect Harmony GH180: 2.3 – 11 kV, 0.12 – 25 MW |
| Gearbox torque | Flender FZG: 3,100 – 1,400,000 Nm, 28 sizes |
| Braking | Service and independent safety brakes rated for the worst-case load |
Brands we supply
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Related applications
Other Brands Available on Request
Beyond the brands shown here, we also source and supply spare units and parts for most international and Chinese industrial brands. Not sure what you have? Send us a photo of the nameplate — we will identify the unit and quote the original part.
Why work with us
- We select the whole drive train — motor, gear unit, coupling, starter and brake — as one matched package.
- You send the duty data; we return the ratings, service factors and alternatives in writing.
- We supply Siemens, Innomotics, Flender, ABB, WEG and B&R, so selection follows your duty, not one catalogue.
- Spare parts and replacements for the same units are available afterwards.
Service & support
Remote and on-site support available, from installation supervision to commissioning and troubleshooting.
What we need from you to quote
For replacements, send a nameplate photo — we identify the exact unit and quote the original part.
- Duty data — power, torque, speed, flow or head, and duty cycle
- Supply voltage, frequency and starting method
- Preferred brand, and your required delivery window
- Quantity, destination port and required delivery date
Answers before you ask
Frequently asked questions
How should a hoist motor be rated?
On the RMS power across the full duty cycle, with the peak torque and thermal margin checked separately. Send us the cycle and we will state the duty class and the rating in the quotation.
Do you supply the safety brake with the drive package?
Yes. We supply the service brake and the independent safety brake rated for the worst-case load, together with the motor, gearbox and drive.
Do you only supply the eight brands shown on your homepage?
No. We source and supply spare units and parts for most international and Chinese industrial brands, not only the eight brands shown on this site.
I do not know the exact model number. Can you still quote?
Yes. Send us a photo of the nameplate and we will identify the exact unit before preparing the quotation for the original part.
Do you supply genuine original manufacturer parts?
Yes. We supply genuine original manufacturer parts. Send us a photo of the nameplate and we can identify the exact unit before quoting, so you do not need to look up a model number.
Do you provide installation guidance, commissioning and after-sales support?
Yes. We provide installation guidance, commissioning support and after-sales support, remotely or on site depending on your project.
What is the delivery time?
Lead time depends on the product and configuration. We confirm the delivery schedule together with the quotation, so you have a firm date before you order.
Which export documents and certificates can you provide?
We can provide applicable CE and ISO documentation, certificates of origin, packing lists and test reports according to the requirements of your destination country.
What payment terms and incoterms do you work with?
We accept T/T and L/C payment, and quote FOB, CIF or EXW terms to suit your project.
Send the duty data and we will select the package
We return a selection with the ratings, service factors and alternates stated — so you can compare before you buy.
Request a Quotation