enphase IQ System Controller 3M - Specifications; Electrical Specifications

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IQ System Controller 3M quick install guide IQ System Controller 3M quick install guide
Specications
Electrical specications
DESCRIPTION VALUE
Nominal voltage/range (L-L) 240 VAC/(192 V–288 V)
Nominal frequency/range 60 Hz/5–63 Hz
Frequency measurement accuracy ±0.1 Hz
Internal busbar rating 200 A
BACK-FED BREAKER
1, 2
LOAD CENTER BRANCH CIRCUIT BREAKER
Maximum input/output continuous current 160 A 3 × 64 A
Maximum input/output overcurrent protection device 200 A 3 × 80 A
3
Short circuit interrupt rating 22 kA 10 kA
1
Back-fed breaker can be in the electrical panel and/or in the Internal Point-of-Connection breaker spot.
2
Only the CSR breaker can be used in the Internal Point-of-Connection breaker spot if required.
3
DER Port can be used for PV or Battery up to 64 A.
Utility interconnection voltage and frequency trip limits and trip times
TRIP POINT
DEFAULT SETTINGS
SETTING TRIP TIME
Fast overvoltage
288 V L-L
144 V L-N
0.160 s
Slow overvoltage
264 V L-L
132 V L-N
13 s
Slow undervoltage
211.2 V L-L
105.6 V L-N
21 s
Fast undervoltage
120 V L-L
60 V L-N
2 s
Overfrequency 60.5 Hz 0.160 s
Underfrequency 59.3 Hz 0.160 s
DESCRIPTION VALUE
Output power derating with operating ambient temperature No derating
Neutral-forming transformer (NFT)
Breaker rating (pre-installed)
40 A between L1 and Neutral;
40 A between L2 and Neutral
Continuous rated power 3,600 VA
Maximum continuous unbalanced current 30 A @ 120 V
Peak unbalanced current 80 A @ 120 V for two seconds