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  • PV INTERCONNECTION

Solar Meter Socket Adapter

  • 2-8 HoursAVG TIME SAVINGS
  • $4,550POTENTIAL COST SAVINGS
A crew member of Green Mountain Solar standing in front of a home's meter socket, with the ConnectDER Solar MSA installed behind the utility meter.
SOLAR MSA VS.

Safer, Quicker, Cost-Effective Alternative To Line-Side Taps & MPUs

All-in-one supply-side connection at the meter. Less work, fewer headaches, faster completion.

Solar MSALine-Side TapService/MPU
Single-Line DiagramsSimple, RepeatableComplex, CustomComplex, Custom
InterconnectionEasyLabor IntensiveLabor Intensive
Install Time15-30 Minutes3-6 Hours1-3 Days
Inside Home AccessMinimalExtensiveExtensive
Panel WorkNone-MinimalSubstantialSubstantial
Home RepairsNoneWalls & PaintingWalls & Painting
Overcurrent Protection (Circuit Breaker)Built-In, Up To 80A / 22k AICInstalled SeparatelyInstalled Separately
Safety RiskLowModerateModerate
InspectionPredictableLess PredictableLess Predictable
12.5-Year Warranty12.5-Year Warranty12.5-Year Warranty12.5-Year Warranty12.5-Year Warranty12.5-Year Warranty
Crew members from Namaste Solar stand in a driveway next to their equipment truck, in front of a home with rooftop solar panels.
WE'VE BEEN AROUND

ConnectDER's Flagship Product For The Last Decade

Tried, tested, trusted by installers nationwide.

  • SunnyMac logo.
  • Namaste Solar logo.
  • Green Mountain Solar logo.
  • Tephra Solar logo.
  • Freedom Power logo.
Freedom Power logo.

ConnectDER’s devices are easy to install and even easier to design with. Their Solar MSA helps especially with PV systems that are too large to interconnect with backfeed breakers and projects where standard line-side taps are not allowed or possible.

Ondřej Mahdal | Design Manager - Freedom Power
Green Mountain Solar logo.

You never know what you're going to find. A really old panel, it could be rusty, the wire size could be wrong. Using a ConnectDER MSA removes these variables, streamlines the entire process, and makes it more efficient and safe.

Cameron Maurer | Master Electrician - Green Mountain Solar
A solar installation crew member from Freedom Power on a home's roof, mounting a solar panel.
A crew member of Green Mountain Solar standing in front of a home's meter socket, with the ConnectDER Solar MSA installed behind the utility meter.
  • Canary Media logo.

    “Eliminates the need to enter a home and greatly reduces the amount of electrical work required.”

  • Solar Builder logo.

    “ConnectDER's Meter Socket Adapter is an installer's dream.”

  • Utility Dive logo.

    “Costs 10% or less than upgrading a home’s service panel or utility interconnection.”

EASY AS 1-2-3

How To Install

Fool-proof installation behind the meter in just 15-30 minutes.

Solar MSA Install Manual
  • Step 1
    An electrician removing the utility billing meter from a home's meter socket box.

    Remove the utility meter

  • Step 2
    An electrician inserting a ConnectDER meter socket adapter into a home's meter socket during a solar installation.

    Install the ConnectDER MSA

    (NO SPECIAL TOOLS REQUIRED)
  • Step 3
    An electrician tightens up the ring lock around a utility billing meter in a home's meter socket.

    Reattach the utility meter

Product shown is the ConnectDER Solar Meter Socket Adapter. All our MSAs follow the same simple 3-step install process. In some areas, only utility technicians can install MSAs behind the utility billing meter.

Approved Utilities

Approved In More Than 60% Of The U.S. Residential Market

We have relationships with all major utilities across the U.S. and we’re constantly securing new approvals for behind-the-meter installation of our devices.

All ConnectDER MSA Approvals
INSTALL BEHIND THE METER ONLY, WHERE APPROVED
  • BEHIND THE UTILITY METER 
(APPROVED BY UTILITY)

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TECH SPECS

Solar MSA
Tech Specs

Mechanical Specifications

Enclosure RatingNEMA 3R
Enclosure TypeInjection molded polycarbonate, UL 94 V0 flame rating
CoolingNatural convection
Dimensions (W x H x D)6.7 x 6.7 x 4.6in adapter only
Weight4.1 lb (1.9kg)
Mounting SystemBlade interface with 4-jaw or 5-jaw meter socket
Electric Meter CompatibilityType 2S, 12S
Meter Socket CompatibilityRingless and ring-type, lever and horn bypass meter sockets
DER Interface PointFactory configured, load side of utility meter/supply side of main service disconnect
Conduit ConnectionSingle 1” NPT fitting
Terminal ConnectionsL1, L2, N, G; Up to 3 AWG wire

Utility Interactive Source Ratings

Maximum Power15.36 KW AC
Maximum Voltage240V
Maximum Continuous PV Current64A
Continuous Combined Current, PV/Grid200A
Inverter Wiring TerminationTerminal block
Grid Termination MethodBlade interface with meter socket
for L1/L2, pigtail for neutral

Safety Information

Applicable Safety StandardsUL 414 – Meter Sockets
File Number (Standards)5028888
Ambient Air Operating Temperature Range-22°F to 149°F (-30°C to 65° C)
Ambient Air Storage Temperature Range-40°F to 176°F (-40°C to 80°C)

Overcurrent Protection

TypeSiemens Type QP, Siemens Type QH, Eaton Type BRH (22k AIC) Thermal magnetic 120/240V, externally resettable
Overcurrent Ratings Available40A, 60A or 80A Standard
Overcurrent Interrupting Rating22k AIC
A line diagram showing the components of a PV rooftop solar installation.
DESIGN

Simpler Schematics, Happier Designers

A repeatable, scalable interconnection method you can use on every job.

FAQs

Solar MSA Frequently Asked Questions

Solar MSA supports up to 200A, single phase electrical services. It is compatible with ring type or ringless meter sockets and both ANSI Form 2S (120/240V) and 12S (120/208V) electronic (i.e. AMI) and older style electromechanical meters.

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  • Soligent logo.
  • Baywa r.e. logo.
  • Soligent logo.
  • Baywa r.e. logo.
  • Soligent logo.
  • Baywa r.e. logo.
  • Soligent logo.
  • U.S. Renewables logo.
  • ABC Supply Co logo.
  • Cooper Electric logo.
  • Quality Electrical Distribution logo.
  • U.S. Renewables logo.
  • ABC Supply Co logo.
  • Cooper Electric logo.
  • Quality Electrical Distribution logo.
  • U.S. Renewables logo.
  • ABC Supply Co logo.
  • Cooper Electric logo.
  • Quality Electrical Distribution logo.
  • U.S. Renewables logo.
  • ABC Supply Co logo.
  • Cooper Electric logo.
  • Quality Electrical Distribution logo.
Distribution Partners

Conveniently Sold Where You Already Shop

Need support talking to your distribution rep? Let us know, we've got connections.