Spider 300R Rope Balancer

The 3ARM® Spider 300R is a high-capacity electronic rope balancer built for rail-mounted systems, delivering ergonomic lift assist and zero-gravity handling of loads up to 300 kg. Designed for extended production lines, it enables smooth manual positioning, precise load control, and endless rotation along the rail path.

Featuring self-balancing technology, adjustable lifting speeds, and intuitive programming, the Spider 300R operates as a robust industrial manipulator. Its customizable software and compatibility with multiple end effectors make it ideal for heavy-duty material handling, assembly processes, and manufacturing ergonomics improvement.

SPIDER 300R

The 3arm Smart Lift Spider 300R is an electronic rope balancer designed to be mounted on rail systems for manually handling loads up to 300kg.

SPIDER 300R

Technical Specifications

LOAD CAPACITY: 0-300Kg

POWER SUPLY: 230V

LIFTING SPEED: Up to 327 mm/s. Adjustable in different heights. Pick up/release point

CABLE STROKE: 2.5m

CONTROLS: Handle mode and load mode

SPIDER 300R

Features

The 3arm Sspider features make this rope balancer unique.

MEASURING CELL

The application of a measuring cell leads to an optimum running performance. Self-balancing and the weight of the load is displayed exactly

ENDLESS ROTATION

Rotary units are installed on the operating handle and the column. This allows endless turning movement of the load and radial arms.

EASY PROGRAMMING

The device allows to easily set up different speeds as well as reducing the speed at the pick-up and release points.

MIDDLE HINGE

The middle hinge connects the two radial arms allowing to reach every point within the operating radius.

CUSTOMIZABLE

Flexible software to customize the device with different end efectors or other input output application needs.