Component Guide

Planning an Ensemble Technology System – North America
16 © 2020 Enphase Energy Inc. All rights reserved. December 8, 2020
M-Series Microinverters Replacements
Enphase provides M-Series RMA SKUs based in the IQ7 hardware platform to replace M-Series microinverters that
have failed or to expand an existing M-Series site. Note that you cannot mix IQ6- and IQ7-Series microinverters
SKUs with M-Series microinverters at a site. You can only use the SKUs provided below with M-Series microinverters
at a site.
SKU
Description
M215240-IQ7-S22-US
M215 240VAC microinverter based on 7th generation IQ Series; MC locking
connector, for existing M215 system expansion or replacing out-of-warranty
M215 microinverters
M215240-IQ7-S25-US
M215 240VAC microinverter based on 7th generation IQ Series; Amphenol
H4 connector, for existing M215 system expansion or replacing out-of-
warranty M215 microinverters
M250240-IQ7-S22-US
M250 240VAC microinverter based on 7th generation IQ Series; MC locking
connector, for existing M250 system expansion or replacing out-of-warranty
M250 microinverters
M250240-IQ7-S25-US
M250 240VAC microinverter based on 7th generation IQ Series; Amphenol
H4 connector, for existing M250 system expansion or replacing out-of-
warranty M250 microinverters
When using the M-Series RMA SKUs you must use the Engage Cable and associated accessories. The following
table lists these.
SKU
Description
ET10-240-BULK
Voltage type and conductor count: 240 VAC, four conductors
Connector count: 240
Connector spacing: 1.025m (40”)
PV module orientation: Portrait
ET17-240-BULK
Voltage type and conductor count: 240 VAC, four conductors
Connector count: 240
Connector spacing: 1.7m (67”)
PV module orientation: Landscape
ET-SPLK-05
Pack of five Engage couplers. Used to connect two Engage Cables
ET-CLIP-100
Pack of 100 steel clips to fasten the Engage Cable to racking
ET-INSTL
Includes:
• Pack of four ET-TERM terminators for Engage Cables
• One ET-DISC disconnect tool used to disconnect M-Series microinverters from Engage
Cable
• Pak of five ET-SEAL sealing caps for unused connectors on the Engage Cable
Note that the cables and accessories listed above are available only through the Enphase store.
Component List
The following table lists the required components for installation of new systems and retrofitting an existing Enphase
system:
Component
Name
(Model Number)
New System
(Quantity)
Retrofit IQ
System
(Quantity)
Retrofit
M215/M250
System
(Quantity)
Retrofit
Enphase Non-
IQ6/7 and Non-
M215/M250
System
(Quantity)
Energy Storage
System (ESS)
Encharge:
Encharge-3-1P-NA
Encharge-10-1P-NA
Encharge 3s and
Encharge 10s
(See pairing
chart for
minimums)
Encharge 3s and
Encharge 10s
(See pairing
chart for
minimums)
Encharge 3s and
Encharge 10s
(See pairing
chart for
minimums)
Encharge 3s and
Encharge 10s
(See pairing
chart for
minimums)