Theater Lighting Truss Winch 4-Rope Sync

A stage batten hoist — also known as a theatre winch or stage hoist — an electrically driven lifting device for stage machinery. Used for stage lighting battens, lifting bars and similar stage equipment, as well as bar facilities. Designed for safe, reliable operation as a key element of overhead machinery. Four-rope synchronized design, electromagnetic brake + worm gearbox, encoder and height limiter, PLC multi-unit coordination. Rated 200 kg.

Quick Specs

Rated load: 200  kg
Motor: 0.55 kW 
Torque: 206  N·m
Reduction: 100 : 1 (worm, RV75/RV90)
Rope: 4 × Ø4 mm
Brakes: double electromagnetic
Control: PLC multi-unit coordination

Application Scenarios and Applicable Boundaries

- Stage lighting & lifting battens — electric lifting of lighting bars, lifting battens and other stage machinery.
- Theatres & performance venues — safe, reliable lifting as a key element of overhead stage machinery.
- Bars & hospitality — lifting duties for bar equipment and similar installations.
- Multi-unit coordinated systems — PLC-controlled multi-winch coordination for synchronized stage movements.

Boundary: The standard configuration is for stage equipment lifting; confirm the load, rope arrangement, duty cycle and environment before ordering. It is not intended for personnel lifting.

Features Benefits

High torque output — The electromagnetic brake motor combined with a worm gearbox provides larger torque output, supporting heavy-load duties with ease.
Stable long-term holding — The winch is designed for long-term load conditions, supporting stable operation without drifting and ensuring working safety and efficiency.
Stable long-term holding — The winch is designed for long-term load conditions, supporting stable operation without drifting and ensuring working safety and efficiency.

Model：200 KG	Motor power：0.55 KW	Output speed：8m/min	Motor reducer Rated output Torque：206N.m
Reduction gear ratio：100：1	Reducer output speed：14rp/min	Lifting weight：200 kg	Self-weight：45kg
Lifting height：10m	Wire rope diameter：4mm	Drum rope capacity：12m	Total length of the wire rope：15m

Model：200 KG

A（Length）：875mm

B（Width）：529mm

C（Height）：320mm

Size Installation and System Interface

The winch is supplied on a base frame with pre-drilled mounting holes for installation in stage machinery spaces. Overall dimensions, mounting orientation and rope outlet positions are confirmed on the general arrangement drawing after configuration approval.

Available interfaces include: motor power terminals, VFD control, double electromagnetic brake control, encoder output, height limiter contacts, PLC communication and optional wireless remote. Electrical interfaces are defined in the final wiring diagram.

Control Safety and Protection

- Normal control: PLC-programmable control; supports multi-winch coordinated operation.
- Stopping & holding: double electromagnetic brake with worm-gear self-locking supports stable holding under long-term load conditions, helping avoid drifting.
- Height control: encoder + height limiter support accurate monitoring and control of lifting height, helping avoid over-high or over-low operation.
- Rope safety: four-rope synchronized design supports smooth lifting and lowering, helping avoid risks from single-rope breakage or imbalance.
- Travel protection: limit switch included (300 kg); encoder and main-shaft limit switch available as options.
- Environment: confirm temperature range and site conditions before ordering.

Standard vs optional items are confirmed on the control scheme for each order.

Customization Options and Engineering Process

Configured around your operating conditions — Share the required line pull, rope travel, operating speed, duty cycle, power supply, installation envelope and environment. KLD will review the application and provide a proposed configuration, technical drawing and quotation for approval. Free design schematics are provided for different scenarios.

Requirements → Concept → Drawing & Quotation → Approval → Production & Test → Delivery

Standards Testing and Quality

The company operates an ISO 9001 quality management system. CE conformity documents (LVD, EMC) are available for applicable configurations on request. Classification certificates (e.g. LRS / BV / ABS / DNV GL) can be arranged as an optional item for marine applications.

Factory testing follows the approved technical specification for each configured unit and may include: no-load run, rated-load operation, brake function, limiter function and control verification. Available documentation may include dimensional drawings, electrical diagrams, inspection records and functional test results, depending on project scope.

Engineering Cases

Challenge: A theatre required a lifting device for lighting battens and lifting bars — four synchronized ropes, accurate height control, stable long-term holding and multi-winch coordination via PLC.
Solution: Theatre light-frame winches (200–300 kg class) with electromagnetic brake + worm gearbox, encoder and height limiter, 4-rope synchronized design and PLC multi-unit coordination, configured for the venue.
Outcome: The winches passed the customer's functional acceptance procedure for the planned stage duties.

Technical Data Download

Downloads:
- Product Datasheet (PDF)
- General Arrangement Drawing (PDF)
- Installation & Operation Manual (PDF)
- Request CAD / Electrical Drawing

Delivery Packaging and Lifecycle Support

Most winches are custom-made products; lead time is confirmed after technical approval and order review. Project support can include configuration review, drawing approval, factory testing, export packaging, remote commissioning support and recommended spare parts. On-site measurement and installation support are available for applicable projects.