Enpower smart switch installation and operation
© 2020 Enphase Energy Inc. All rights reserved. 141-00046-01
Enphase Enpower smart switch with neutral-forming transformer (NFT),
Microgrid Interconnect Device (MID), breakers, and screws. Streamlines grid-
independent capabilities of PV and storage installations.
ACCESSORIES and REPLACEMENT PARTS
Replacement Enpower controller printed circuit board
Circuit breakers (as needed)
A,B
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
Not included, must be ordered separately:
• 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
Enpower installation handle kit (order separately)
ELECTRICAL SPECIFICATIONS
Continuous operation at 100% of its rating
Nominal voltage / range (L-L)
Voltage measurement accuracy
±1% V nominal (±1.2V L-N and ±2.4V L-L)
Nominal frequency / range
Frequency measurement accuracy
Maximum continuous current rating
Maximum output overcurrent protection
device
Maximum input overcurrent protection
device
Maximum overcurrent protection device
rating for storage branch circuit
3
Maximum overcurrent protection device
rating for PV combiner branch circuit
C
Neutral Forming Transformer (NFT)
• Breaker rating (pre-installed): 40A between L1 and Neutral; 40A between
L2 and Neutral
• Continuous rated power: 3600W
• Maximum continuous unbalance current: 30A @ 120V
• Peak rated power: 8800W for 30 seconds
• Peak unbalanced current: 80A @ 120V for 30 seconds
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