Product Details

Elevator Control Pendant Wedge Suspension for Secure Cable Strain Relief and Pendant Hanging

The Wedge Suspension is a mechanical cable strain relief and pendant hanging device used in elevator and industrial control pendant installations to provide secure, load-bearing suspension of the pendant cable at the point where it enters the pendant housing. By gripping the cable sheath with a wedge-action clamping mechanism that increases in holding force as the cable load increases, the wedge suspension provides a self-tightening, highly reliable cable retention method that protects the cable and its internal conductors from the mechanical stresses of hanging and dynamic loading during pendant use.

Pendant cables in elevator maintenance and inspection control applications are subject to gravitational tensile loading from the pendant weight, dynamic loading as the pendant swings during use, and cyclical loading as the pendant is raised, lowered, and repositioned by the technician. Without correct strain relief at the cable entry point, these mechanical loads are transmitted directly to the electrical terminations inside the pendant housing — progressively fatiguing the conductors at termination points and eventually causing open circuit failures at the most mechanically stressed location within the control circuit.

The wedge suspension eliminates this failure mode by providing a mechanical grip on the cable sheath that transfers all suspension loading to the cable jacket — the strongest mechanical element of the cable construction — rather than allowing it to reach the terminations. The wedge-action mechanism requires no special tools for installation, engages automatically as the cable is tensioned by the pendant weight, and increases its grip force proportionally as load increases, making it inherently self-adjusting to the loading conditions of the specific installation.

The wedge suspension is designed for compatibility with the cable types and pendant configurations used in elevator inspection and maintenance control applications, including multi-core control cables of the diameters typical for pendant installations. The suspension body is engineered for the mechanical and environmental conditions of elevator shaft and pit environments, with material specifications that resist corrosion and maintain their structural integrity across the temperature and humidity range of the installation.

For elevator manufacturers, installation contractors, and maintenance organisations who need reliable, correctly specified cable strain relief and pendant suspension for elevator control pendant installations, the Wedge Suspension provides the self-tightening, load-transferring cable grip that protects pendant electrical connections across the full service life of the installation.

Key Features

• Self-tightening wedge-action grip increases holding force under cable load
• Transfers suspension loading to cable sheath — protects terminations from fatigue
• No special tools required for installation — engages automatically under pendant weight
• Compatible with multi-core control cable diameters for elevator pendant applications
• Corrosion resistant construction for elevator shaft and pit environment mounting