About T.E.L. Engineering 
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T.E.L. Engineering design and manufacture Electrical Slip Ring Units for use in a range of applications, such as cranes, wireline/logging, rovs and winches.  Our Slip Ring Units can be combined with Fibre Optic Rotary Joints or Air Swivels, transferring electrical power, command, and control signals across a rotating interface.  They can be used in any electromechanical system which requires unrestrained, intermittent, or continuous rotation whilst transmitting power and/or data.

Our Slip Ring Units are available for internal or external mounting interfaces, for uninterrupted supply of voltages up to 11kV and currents of 3,500 Amps for power, combined with signals, video, and fibre optic passes, as required.
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Explosion Protected Group IIA & Group IIB Zone 1 and Zone 2, Group IIC Zone 0 for Intrinsically Safe Circuits or Weather Protected Options
ATEX, IECEx, UL-Listed, or Dual Certification Slip Rings Available
Latest Editions of IEC/EN Standards
IP66 Enclosures as Standard
Designed, manufactured, and tested in accordance with the highest safety standards
Operate in the most rugged environments
Alternative ambient temperature ranges available
Drive and mounting arrangements to suit customer requirements