Recommended Breaker Selection - enphase IQ System Controller 3 INT Quick Install Manual

Section B - Wiring

Recommended breaker selection

P O S I T I O N # P H A S E S
PV on three-phase
PV
PV on single-phase
Single-phase
IQ Battery
Three-phase
Three-phase
Mains
Single-phase
Backup Single-phase
1-pole
For mains breaker
3-pole
1-pole
For other positions 2-pole
3-pole
4-pole
IEC AC power circuit wiring colour codes
Wire type Colour code (IEC)
AC three-phase (L1)
AC three-phase (L2)
AC three-phase (L3)
Neutral (N)
Protective earth (PE)
ground (GND)
Single-phase (L)
(1-wire line)
NOTE: IQ Gateway breaker is pre-installed and pre-wired along
with IQ System Controller 3 INT. Use this breaker to power
cycle the IQ Gateway only if required for troubleshooting.
Do not change the breaker position from slot number 19
(indicated in dead front).
IQ System Controller 3 INT Quick Install Guide
C O N F I G U R AT I O N ( P E R C I R C U I T B R A N C H ]
4-pole PV MCB pre-installed in the unit
Must use additional 4-pole Miniature Circuit Breaker (MCB) for any additional three-phase PV branch
circuit
Must use additional 2-pole breaker for any additional single-phase PV branch circuit
4-pole PV MCB pre-installed in the unit, use for up to 2 single-phase 25 A PV branch circuits
Must use additional 2-pole breaker for any additional single-phase PV branch circuit
1 x 1-pole MCB (20 A for 1 x IQ Battery 5 - Max 80 A for 4 x daisy-chained batteries)
3 x 1-pole MCB (20 A for 1 x IQ Battery 5 - Max 80 A for 4 x daisy-chained batteries)
1 x 3-pole MCB (Max 63 A)
1-pole MCB (Max 63 A)
1-pole MCB (Max 63 A)
S C H N E I D E R / C L I P S A L H A G E R
MX9MC1XXR MSN1XXR
MX9MC3XXR MSN3XXR
M9MC1XX/4CB1XX-6 MSN1XX
M9MC2XX/4CB2XX-6 MSN2XX
M9MC3XX/4CB3XX-6 MSN3XX
M9MC4XX/4CB4XX-6 MSN4XX
XX is current rating
L E G R A N D
4 034 XX
4 035 XX
4 034 XX
4 035 XX
4 035 XX
4 035 XX
XX - Current code to be identified from breaker product manual
Legends indicating breakers in scenario pages
PV breaker
IQ Battery breaker
Mains breaker
NOTE:
Breakers for IQ Battery, mains, and non-backup/backup loads
are not supplied with IQ System Controller 3 INT and must be
purchased separately.
Size the conductors and breakers according to local electrical
codes. All final sub-circuits to follow IEC and AS/NZS colour
code indicated in this page.
Ensure that the wires connected to the breakers are tightened
with torque as recommended by the breaker manufacturer.
Backup breaker
Non-backup breaker
IQ Gateway breaker
12