I

P&B

Rail Short Circuiting Straps

Network Rail approved, suitable for all common types of rail. Rugged construction for durability.

The PENTA P&B short-Circuiting Straps are used to short the positive and negative circuit of a D.C feeder section. Each Strap consists of three J117-NSE clamps fitted with insulated flexible copper leads. Short circuit straps have been thoroughly tested and approved by Network Rail.

The J117-NSE body has an insulating shield to prevent welding to the rail in the event of a Fault Current. Clamps are suitable for fitting to both Bull-Head and Flat-Bottomed rails and use a hardened steel tip to penetrate corrosion. Network Rail approved alternative lengths, and tamperproof clamp variants can also be provided if required.

Each short-circuiting Strap consists of three J117 rail clamps fitted with suitably rated interconnecting flexible copper leads. The clamps are constructed from steel and are zinc galvanised to provide protection from site atmospheres. The body has an insulating shield fitted to prevent welding to the Rail should the clamp be subjected to a fault current.

A secure location upon the foot of both ‘flat-bottomed’ and ‘bull-head’ rail types is provided by a hardened tip above the Rail and a grooved block beneath the Rail. The hardened tip fits into the operating screw with an insulating bush to ensure that the correct contact path is made.

The grooved block fits directly on top of the copper busbar, ensuring very low contact resistance. The busbar sits upon a stack of disc spring washers, which should be fully compressed when the clamp is applied. These washers apply a pre-loaded pressure upon the Rail to maintain firm contact.

Please contact us to discuss your requirements.

Customer Benefits

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View our range of Short Circuiting Straps

PENTA is the leading designer, manufacturer and supplier of quality electrical safety products.

PENTA is a globally recognised designer, manufacturer and supplier of temporary portable earthing, voltage detectors, Buchholz relays and electrical safety products.

With a heritage spanning over eighty years, and world-class experience in equipment designed for the safe maintenance of power systems, PENTA provides customers with high-quality service, reliable solutions and technical expertise.

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