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Enphase Engage Coupler

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Enphase Engage Coupler

The Engage Coupler is a watertight enclosure for connecting two AC cables within an Enphase installation. It supports single-phase and three-phase electrical service and is compatible with field cable.

The Engage Coupler provides an alternative to installing junction boxes within an array, improving aesthetics and saving time and materials on the roof.


  • Includes all parts needed for splicing and sealing
  • Attaches easily to racking


  • Compatible with Engage Cable or field cable
  • Supports single- and three-phase


  • Easily concealed beneath solar array
  • Reduces j-box and conduit usage

Enphase Engage Coupler for Microinverter Solar Systems

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Description Rating
Model number ET-SPLK-05 (sold in packs of 5)
Degree of protection IP67
Operating temperature -40°C to +65°C
Rated current 20 A
Rated voltage 600 V
Accepts cable diameter 10.8 mm to 12.0 mm
Conductor size 2.5 mm2
Approvals VDE, CE
Example compatible cables Engage Cable, H07BQ-F, U-1000 RO2V, FG7OR, NYY-J

Manufacturer Specification Sheets

View FileEnphase Engage Coupler Spec Sheet    Size: (930.19 KB)


solar system costComplete systems with Enphase Microinverters

Solar Electric Supply not only supplies the latest Enphase products at a discount price, we also have a low solar system price on PV systems designed specifically for microinverters.

Systems include solar panels, microinverters, roof or ground mount, solar panel cables, disconnects and breakers. We support our customers in the US with friendly knowledgeable staff that is here to help with your microinverter solar system questions.

Contact us for wholesale pricing, solar module system design or reviews for the Enphase Engage Coupler.