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Reliance TRB Transfer Switch (1Ph, 100A)

  • Indoor with Inlet Box and Meters (Style A)
  • Indoor with Meters (Style C)
  • Indoor (Style D)
  • Outdoor (Style DR)
16.00 LBS
Ships in 3-7 business days.
Generator Amps:

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Please Note:

With the hurricane season upon us, lead times may change quickly. Shipments may take longer than listed on our website.  Thank you for your patience.

This Reliance Controls Panel/Link TRB manual transfer switch offers circuit breaker combination of 100A utility and 30-100A generator. The Panel/Link TRB has provision for 4-8 branch circuits.


  • Suitable for Service Entrance.
  • Heavy-duty copper bus.
  • Interlinked circuit breakers keep the generator isolated from the utility at all times, even with the deadfront removed.
  • May be used as a main panel or a sub-panel.
  • Indoor or NEMA 3R outdoor enclosure.
  • Optional power inlet on indoor models with 30A or 50A generator input.
  • Optional wattmeters with 30-60A generator input.
  • Five-year limited warranty.
  • UL Listed.

Note: Outdoor Enclosure with Meters is not shown. Style CR will include meters.

Prewired models with your choice of installed branch circuit breakers are also available: TRB1003-P (30A generator-side), TRB1005-P (50A generator-side), TRB1006-P (60A generator side).


Panel Link TRB
Max Generator Running Watts:
7500 for 30A, 12,500 for 50A, 15,000 for 60A, 25,000 for 100A
Max 1" Circuit Breaker Openings:
Max Circuits with Tandem Breakers:
Max Utility Input:
Max Generator Input:
Options of 30A, 50A, 60A, or 100A
Power Inlet:
Optional for 30A (L14-30), 50A (CS6365)
Cabinet Type:
Indoor or Outdoor NEMA 3R
Dimensions HxWxD (inches):
14.75 x 12.375 x 3.75 (Indoor)
Dimensions HxWxD (inches):
14.75 x 12.5 x 4.125 (Outdoor)
Weight (Indoor):
16 lbs.
Weight (Outdoor):
17 lbs.
Limited Warranty:
5 Years
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Product Reviews

  1. A great transfer box

    Posted by Unknown on 24th Nov 2013

    The Reliance TRB1003A is a nince transfer box. Heavy duty and well designed. It is very simple to install but should be installed by a quilified electrican. I had a friend electrican install it. He ran a new wire from the meter into the TRB1003A box utility main and then ran a wire into main of the circuit breaker panel from the output of the TRB1003A. This box comes with a generator input plug and two meters pre wired so the generator input is just a matter of pluging in the cable. To change from line power to generator is a matter of throwing a switch which has an off center so the generator and line so both can't be on at the same time