| 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 |
