

Arush Switchgears LLP is a Penlink dealer and supplier in India , supporting marine & offshore, mobile equipment, robotics, factory automation, renewable energy, defense and oil & gas customers with reliable slip ring and rotary transmission technology for power, signal, data and fluid transfer across rotating interfaces.
We offer solutions based on Penlink standard slip rings , modified/custom slip rings, high power slip rings, winch slip rings, subsea slip rings, RF rotary joints and electro-optical (fiber-integrated) slip rings.
Penlink’s standard slip ring range is designed to meet a broad set of industry needs, offering reliable performance and durability across automation, energy, defense and medical technology applications. These are the starting point for most applications and can be adapted where standard specifications don’t quite fit.
Arush Switchgears LLP can help industrial users identify the appropriate Penlink slip ring based on total circuit count, voltage and amperage per circuit, operating speed and mounting type.
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Penlink’s standard slip ring range can be modified to suit specific application requirements — adjusting current capacity, changing the signal type transmitted, integrating the electrical slip ring with optical or fluid rotary joints, or combining it with an angle transducer. OEM slip rings are engineered specifically for original equipment manufacturers, ensuring seamless integration and optimal performance within the OEM’s own product.
Penlink’s team works directly through the design process — guiding specification, assisting with design, and delivering a complete solution ready for installation in your machine.
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Penlink high power slip rings are engineered for demanding applications such as dockside machinery and cranes, built for durability, safety and consistent performance under high power loads.
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Penlink winch slip rings integrate fiber optical rotary joints for high-speed data transmission alongside power and signal transfer, suited to winch systems in marine, offshore and mobile equipment applications.
Penlink’s electro-optical slip rings are designed to perform in harsh, submerged environments, combining optical fiber transmission with electrical power/signal transfer. The design focus is on minimizing offshore downtime and ensuring continuous operation under extreme conditions.
Penlink RF rotary joints are designed for high-frequency environments, ensuring consistent RF performance even under continuous rotation — relevant to radar, defense and surveillance rotating platforms.
Penlink’s broader portfolio, available alongside slip rings for integrated rotary solutions, includes rotary unions, fiber optical rotary joints, encoders (electric, magnetic, resolvers), inertial sensors (accelerometers, gyroscopes) and servo components (actuators, electrical motors, servo drives).
Penlink slip rings can be integrated with hydraulic swivels, encoders and other components into a single complete solution for combined fluid, power, signal and data transfer.
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Penlink Official Product Range
An electrical slip ring transfers power and data from a stationary structure to a rotating one, allowing continuous or intermittent rotation while transmitting power and data — simplifying operation and eliminating the risk of wiring damage between moving parts.
Selection requires knowing your total circuit count, voltage and amperage per circuit, operating speed and mounting type. Starting from the standard slip ring range and refining from there is the usual approach; where a custom/modified solution is clearly needed, direct consultation is recommended.
Standard slip rings carry an IP51 rating (limited dust and condensation protection). An IP67-rated protective enclosure option is available for enhanced protection against water, dust and physical damage.
Yes — Penlink slip rings can be integrated with hydraulic swivels, encoders and other components into one complete assembly for combined fluid, power, signal and data transfer, offered as both standard assemblies and custom-designed solutions.
Looking for a Penlink standard, modified, high power, winch, subsea or RF slip ring solution in India?
Contact Arush Switchgears LLP with your application details — circuit count, voltage/amperage per circuit, operating speed, mounting type, and environmental/IP protection requirement — so that the appropriate Penlink solution can be identified.