Industry News

Heat Shrinkable Bus-bar Box Overview

2023-04-27
Heat Shrinkable Bus-bar Box are tubular insulation products used to cover and insulate busbars. Busbars are metal bars that conduct and distribute electricity. Some key details about heat shrinkable busbar covers include:

Heat Shrinkable Bus-bar Box are made from insulating thermoplastic materials, often polyolefin elastomers like polyethylene or ethylene propylene rubber. These can withstand the temperatures of busbars while providing good electrical insulation. They shrink and conform tightly to the busbar when heated, forming a tight cover. Adhesive-lined or wrap-around types provide the best coverage and seal. 

Heat Shrinkable Bus-bar Box help prevent short circuits by insulating energized busbars from contact. This improves safety for equipment installation and maintenance.  They protect the busbars from environmental factors like moisture, chemicals, and debris that could eventually compromise insulation if unprotected.

Heat Shrinkable Bus-bar Box They can be used for both new construction or as repairs/retrofits for existing busbars needing insulation. The sizes range from a few millimeters up to several inches to suit different busbar dimensions. The tubing can often be slit and wrapped around for the best fit.

The Heat Shrinkable Bus-bar Box Voltage ratings of 10kV to over 36kV are available depending on the material and wall thickness. Increased thickness and more advanced materials like EPR provide higher dielectric strength. Securing straps, tape, and adhesive provide added protection for high-vibration and high-exposure areas. The tubing itself also provides good mechanical strength and abrasion resistance.

UL ratings are available for many busbar cover products to certify for safety standards in applications like transit systems, industrial machinery, control cabinets, etc. Common types of Heat Shrinkable Bus-bar Box include straight lengths of tubing for covering sections of exposed busbar, pre-slit and wrapped tubing that wraps fully around the busbar like a sleeve, and moldable two-part covers that fully encapsulate more complex busbar shapes.
heat shrinkable bus-bar box
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