enphase IQ System Controller 2 - Breakers for Non-IQ8 Systems

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IQ System Controller 2 Quick Install Guide
Breakers for non IQ8 Systems
The IQ System Controller 2 comes pre-installed with a 40 A breaker
for the neutral forming transformer (NFT). When a generator is not
installed, the NFT breaker should not be removed.
Section B - Mounting the breakers
*For generator integration, follow the same instructions applicable for IQ8 Systems.
ENPHASE BREAKER PART EATON BREAKER PART TORQUE ON WIRE
BRK-20A-2P-240V-B BR220B
27 lb.in
BRK-40A-2P-240V-B BR240B
BRK-60A-2P-240V BR260
BRK-80A-2P-240V BR280
BRK-20A40A-4P-240V BQC220240
NFT breaker
Pre-installed in the factory,
not to be disturbed
IQ Gateway breaker
Remove breaker from
IQ System Controller 2
and wire IQ Gateway to the
breaker in IQ Combiner*
Solar breaker
Use included breakers
(20 A/40 A/60 A) or a
correctly sized breaker
Pre-wired red and
black wires
Connect to storage and
solar breakers
Storage breaker
Use included breakers
(20 A/40 A/60 A) or a
correctly sized breaker