ABB MICRO-0.25-I-OUTD-US-208/240, Product Manual

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3 - Mounting and wiring
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Disconnection of the MICRO inverter AC cable:
Removal of the AC trunk plug cap g
W
iring details
L
oad protection switch (AC disconnect switch)
The dimensions of the thermal-magnetic circuit breaker should be determined by the number
of MICRO inverters connected to a single AC line. A 20A thermal-magnetic circuit breaker
represents the maximum value permitted for installation in a single AC line, sized based on
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It is the installer’s responsibility to adequately size the overcurrent protection, based on the
number and types of MICRO inverters in the system, see table 3-1 below.
Protection breaker rating table 3-1 6A 10A 16A 20A
Max number of
inverters @240VAC
MICRO-0.25 4 7 12 15
MICRO-0.3
MICRO-0.3HV
3 6 9 12
Max number of
inverters @208VAC
MICRO-0.25 4 6 10 13
MICRO-0.3
MICRO-0.3HV
3 5 8 11