Automatic Transfer Switches- RTS-30 Series

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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.

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.

High-Performance Design

Russelectric automatic transfer switches are modern, high-speed switching devices designed to transfer electrical loads from a preferred power source to an alternate power source when voltage and/or frequency varies from preset limits, and to retransfer loads when preferred source is restored.

Russelectric RTS-30 Series automatic transfer switches utilize simple electrical operators to provide high-speed quick- break, quick-make, preloaded transfers. The operators are connected to the switch mechanism by precision self- aligning, ball joints and sturdy linkage rods which prevent misalignment.

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.

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