Russelectric RTS-30 Series automatic transfer switches are the most complete line of 480 VAC 30-cycle and 3-cycle UL tested switches available today.
Tested, Listed, and Labeled by UL Under UL-1008
Before Underwriters’ Laboratories, Inc. will allow a transfer switch to be listed with a short circuit rating, it requires that the switch be able to close in on the same amount of fault current as it can withstand. All Russelectric RTS-30 Series automatic transfer switches have been fully tested, listed, and labeled for 30-cycle and 3-cycle closing and withstand ratings under UL-1008.
Built Rugged for Long Life, Minimum Maintenance, and Trouble-Free Service
Russelectric builds all its transfer switches for years of reliable, trouble- free operation with a minimum of maintenance. In fact, many Russelectric switches have been in continuous service for over 40 years.
Contact assemblies are designed to handle the rigors of 30-cycle closing and withstand performance and offer exceptional arc- and track-resistance. Segmented contacts are, machined (not cast, forged, or stamped) from solid copper. Main contact pad material is designed to prevent overheating, and stationary contact pad material prevents welding during withstand conditions. Brush movement of main contacts cleans contact pads with every operation.
All mechanical assemblies, linkages, and connecting rods are purpose-built and precision-machined in-house. Linkages are heavy-duty anodized steel rods (machined, not stamped or riveted) with aircraft-style ball joint fittings.
Bus bar is solid copper, silver plated in accordance with UL and ANSI standards. All bus is formed, cut, and punched before being plated to guarantee the integrity of the silver plating and ensure maximum performance.
Enclosures are fabricated with code gauge steel to meet UL and other applicable standards. All enclosures feature arc-welded seams, extra bracing, and smooth, ground corners. Switches are seismic tested to International Building Code requirements for earthquake compliance.
All transfer switches are thoroughly inspected both mechanically and electrically under simulated operating conditions before shipment.
In applications where extremely high short circuit current is available, fuse protection is mandatory. When coordinated with current limiting fuses, Russelectric RTS-30 Series transfer switches have UL listed closing and withstand ratings of 200,000 amperes.
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