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510 series

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Manual Transfer Switch
50 Amps, 10 circuits, 125/250V

PRO/TRAN® 2 by Reliance Controls

Reliance Controls Corporation is pleased to announce our next generation of manual transfer switches. The new PRO/TRAN®2 line of Loadside™ switches features all of the benefits which made the original Pro/Tran® an industry leading product for over 30 years, while incorporating a number of new features to give our customers exactly what they are looking for.

®2 utilizes conventional 1-inch interchangeable circuit breakers. All models are UL Listed for all popular brands and types of breakers, including AFCI and GFCI. They can be easily re-configured in the field for multiple double pole circuits if needed. All models also include a hinged non-metallic protective cover which also provides a finished appearance. Optional new color-coded watt meters are included on many models, and assist in balancing the generator load. Like all Reliance Pro/Tran® transfer switches, the PRO/TRAN®2 is completely prewired for fast installation.

®2 Series is UL Listed to UL Standard 1008 and is suitable for use in accordance with article 702 of the National Electrical Code ANSI/NFPA 70.



Total Capacity 12,500 watts  30 amps
Max Amps Single Pole Circuits (C, D, E, F)- 120VAC (8) 20 amp
Max Amps Double Pole Circuits (A & B only) - 240VAC (1) 30 amp (with handle tie on switch)
Generator Inlet Connection NEMA CS6365 male inlet plug-in (optional)
Generator Load Watt Meters Yes
Enclosure Type indoor surface mounted
Flex Conduit Included 3/4 x 16 inch pre-wired
UL Listing / CSA certified UL1008
Origin Made in USA
Warranty Reliance Controls 24 month warranty


Ordering Table

Specs & Model Numbers

Model No. Breakers
Inlet for
Inlet Box
& Cordset
$ US
Order Button
510A (2)20A-2P
Yes Yes No
510C (2)20A-2P
Yes No No
A510A (1)20A-2P
Yes Yes No
A510C (1)20A-2P
Yes No No