Page last updated Oct 20, 2021 @ 10:13pm

Transfer Panel Comparison

This table compares two popular brands of breaker manual transfer panels with handle-interlocked
main and generator breakers.  Panel capacity up to 100 amps.  Click here to view catalog list.

Item Feature Brand A
Brand B
1 Interlock between main and generator breaker NOT functional with cover removed functional even with cover removed
2 Enclosure types available indoor & outdoor indoor & outdoor
3 Door/cover? (to protect breakers) No (indoor units)
Yes (outdoor units)
Yes, standard
4 Branch breaker space 8 full height breakers or
16 half-height breakers
12 full height breakers or 
20 half&full height breakers
5 Branch breakers provided & installed Yes, single selection of pole & amp ratings with or without
(at cost savings)
9 combinations of pole & amp ratings to choose from
6 Branch breakers factory wired? No Yes
7 Watt meters direct connected indirect connected (via CTs) for better accuracy
8 Service entrance rated? (allows wiring directly downstream of electric meter without extra disconnect) No Yes
9 Surface & flush mountable? Yes Yes
10 Mountable between standard 16" stud centers? Yes
(14.37"W x 11.5"H x 3.37"D)
Yes
(14.5"W x 21"H x 4"D)
11 Male inlet for generator cord? Yes, standard with or without
(at cost savings)
12 Generator cord inlet usable when flush mounted? No (top mounted) Yes (front mounted)
13 Flex conduit type provided plastic standard
(metal options)
metal standard
14 Cost comparable with branch
breakers factory installed

 

 

 

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