Enpower smart switch installation and operation
© 2020 Enphase Energy Inc. All rights reserved. 141-00046-01
Step 4: Install Breakers as Needed
The Enpower includes one two-pole 40A circuit breaker that feeds the neutral forming transformer (NFT).
You can install additional breakers, if needed. You must follow all NEC and local electrical codes.
Install breakers as needed for the AC grid, main load, Enphase IQ Combiner, Enphase Encharge
batteries, and generator (reserved for future use¹). These breakers are not included and must be ordered
separately.
NOTE: You must install a backup loads breaker if required by local code.
NOTE: Generator connection is not currently supported. This feature will be supported in
future after an over-the-air software upgrade.
WARNING! Risk of injury and equipment damage. Use only the breakers listed in the
following table.
Allowed breaker types include:
BRK-100A-2P-240V
BRK-125A-2P-240V
BRK-150A-2P-240V
BRK-175A-2P-240V
BRK-200A-2P-240V
BRK-20A-2P-240V-B
BRK-30A-2P-240V
BRK-40A-2P-240V
BRK-60A-2P-240V
BRK-80A-2P-240V
• Main Breaker, 2 pole, 100A, 25kAIC, CSR2100
• Main Breaker, 2 pole, 125A, 25kAIC, CSR2125N
• Main Breaker, 2 pole, 150A, 25kAIC, CSR2150N
• Main Breaker, 2 pole, 175A, 25kAIC, CSR2175N
• Main Breaker, 2 pole, 200A, 25kAIC, CSR2200N
• Circuit Breaker, 2 pole, 20A, 10kAIC, BR220B
• Circuit Breaker, 2 pole, 30A, 10kAIC, BR230B
• Circuit Breaker, 2 pole, 40A, 10kAIC, BR240B
• Circuit Breaker, 2 pole, 60A, 10kAIC, BR260
• Circuit Breaker, 2 pole, 80A, 10kAIC, BR280
Breaker installation positions are noted in the diagram:
A. Ensure that the Enpower is completely de-energized.
B. Open the three latches that lock the enclosure door.
To release the latch, pull the latch handle forward and
then to the right. With all the latches opened, swing
open the enclosure door.
WARNING: Risk of equipment damage. Do not
remove the pre-installed solar shield attached to
the enclosure door.
C. Use a Phillips screw driver to loosen the six screws
along the periphery of the deadfront. Support the
deadfront to keep it from falling while performing the
next step
Enpower breaker positions
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