Component Guide
M250 Installation Planning
2013 Enphase Energy Inc. All rights reserved. July 2013
8
Enphase Items Required
Quantity
Description
Order Number
120
M250 Microinverter
M250-60-2LL-S22 or M250-60-2LL-S23
3 packs
Cable clip (each pack contains 100 clips)
ET-CLIP-100
1 pack
Disconnect tool (each pack contains five tools)
ET-DISC-05
1 pack
Branch terminator (each pack contains 10 terminators)
ET-TERM-10
1
Engage Cable divided into ten lengths:
Each length should be about 20.4 meters (67 feet) with
12 connectors.
ET17-208-BULK
1 pack
Watertight Sealing cap (each pack contains 10).
Required only if there are any unused connectors;
Unused connectors must be covered with this cap.
ET-SEAL-10
1
Envoy Communications Gateway
-or-
LCF Envoy (Line Communications Filter)
1
ENV-120
ELCF-120-001
as needed
Engage Coupler (each pack contains five Couplers).
Used for splicing two AC power cables within an array.
ET-SPLK-05
Non-Enphase Items Required
Quantity
Description
120
60-cell PV module
5
Weather-proof (NEMA) junction box
5
Three-pole 20 amp circuit breaker
1
Three-pole 200 amp circuit breaker
1
200 amp load center
1
Lightning protection device (3-phase AC surge protector)
as needed
Homerun conductors
as needed
Torque wrench, sockets, wrenches for mounting hardware
as needed
Adjustable wrench or open-ended wrench (for terminator caps)
as needed
Inspection mirror
(for viewing indicator lights on the undersides of the microinverters)
1
Enphase LCF Envoys or transformers may be required for systems that are 30kW in size or larger.