• Enphase IQ System Controller 3 INT backup power switch
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Enphase

Enphase IQ System Controller 3 INT | Backup Power Switch for IQ Battery 5P | Single- and 3-phase

Enphase IQ System Controller 3 INT | Backup Power Switch for IQ Battery 5P | Single- and 3-phase

  • Backup powerAutomatic, within milliseconds
  • PhasesSingle-phase 100 A / 3-phase 80 A
€1.711,57
€1.711,57
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excl. VAT

Shipping to Austria

Business with EU VAT number0% VAT, reverse charge€1.711,57
Private customerincl. 20% VAT Austria€2.053,88
  • Shipping to Austria · €16,95 excl. VAT (parcel, 15.2 kg) · all countries
  • Pick up in Rotterdam · free, by appointment, Osakastraat 17
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About this product

The Enphase IQ System Controller 3 INT is the heart of an Enphase energy system with backup power. It automatically manages the energy flows between your solar panels, the IQ Battery 5P, the grid and your household. If the grid power fails, the built-in transfer switch disconnects your home from the grid within mill...Read more

The Enphase IQ System Controller 3 INT is the heart of an Enphase energy system with backup power. It automatically manages the energy flows between your solar panels, the IQ Battery 5P, the grid and your household. If the grid power fails, the built-in transfer switch disconnects your home from the grid within milliseconds and forms its own microgrid: your panels and batteries keep powering your most important appliances.

What the IQ System Controller does

  • Automatic backup power — detects a power cut and switches seamlessly to battery and solar.
  • Single-phase or 3-phase — configurable on site: 100 A (single-phase) or 80 A per phase (3-phase).
  • Full integration — works with IQ8 microinverters, IQ Battery 5P/3T/10T and the IQ Gateway; everything visible in the Enphase app.
  • Outdoor mounting — IP55 enclosure, suitable for indoor and outdoor use.

Specifications

  • Model: IQ System Controller 3 INT
  • Phases: single-phase (100 A) or 3-phase (80 A per phase), configurable
  • Switchover: automatic, within milliseconds
  • Protection rating: IP55
  • Compatible with: IQ Battery 5P (FlexPhase), IQ Battery 3T/10T, IQ7 and IQ8 microinverters
  • Requires: IQ Gateway (Envoy-S Metered) and Communications Kit 2

Installation

The IQ System Controller is placed between the meter cupboard and your Enphase installation and must be connected by a certified installer. Feel free to ask us for an installation quote (in the Netherlands).

Specifications

Model
Enphase IQ System Controller 3 INT
Function
automatic grid transfer switch (backup power) and energy distribution
Phases
single-phase 100 A or 3-phase 80 A per phase, configurable on site
Switchover time
automatic, within milliseconds
Protection rating
IP55 (indoor and outdoor)
Compatible with
IQ Battery 5P FlexPhase, IQ Battery 3T/10T, IQ7 and IQ8 microinverters
Requires
IQ Gateway (Envoy-S Metered) and Communications Kit 2
Monitoring
Enphase app
Installation
by a certified installer

How to connect it

  • Works withIQ Battery 5P FlexPhase, IQ Battery 3T/10T and IQ7 and IQ8 microinverters. Requires an IQ Gateway (Envoy-S Metered) and Communications Kit 2.
  • By an installerPlaced between the meter cupboard and your Enphase installation and connected by a certified installer; single-phase (100 A) or 3-phase (80 A per phase), configurable on site.
  • PlacementIP55 enclosure, indoors or outdoors.

When 800 W and when full power?

The controller does not supply any power itself: in the event of a power cut, it disconnects your home from the grid within milliseconds and forms its own microgrid, in which your IQ Battery and solar panels keep powering the most important appliances.

As soon as the grid is back, it automatically switches back and the batteries charge normally again.

What this product can do

  • Automatic backup powerDetects a power cut and switches over within milliseconds
  • Single-phase or 3-phase100 A or 80 A per phase, configurable on site
  • Own microgridPanels and batteries keep supplying power during the outage
  • Fully EnphaseIQ8, IQ Battery and IQ Gateway in one system
  • Enphase AppEverything visible on your phone
  • IP55Can be mounted indoors or outdoors

Questions about this product

Is this compatible with my installation?
Compatible with: IQ Battery 5P FlexPhase, IQ Battery 3T/10T and IQ7 and IQ8 microinverters. Still not sure? Call or WhatsApp us on +31 10 261 33 86 with the brand and model of your installation and we will check it for you free of charge.
Can this product be mounted outdoors?
The protection rating is IP55, suitable for indoor and outdoor use. Do keep it out of full sun and in a sheltered spot.
Can you also install it?
For inverters, home batteries and solar panels, you can request an installation quote (in the Netherlands and Belgium); you will then receive a fixed date and the name of the installer. Separate accessories and mounting materials are supplied without installation.
What about the warranty?
You get the official manufacturer's warranty of the brand. Multi-Solar is an authorised dealer, so warranty claims are handled by us in Rotterdam and not via a foreign importer. Call or WhatsApp us on +31 10 261 33 86.
When will my order be delivered?
Products in stock are shipped within 1 working day from our own warehouse in Rotterdam; for the Netherlands and Belgium, allow for delivery within 3 to 5 working days. Collection (pick-up) at Osakastraat 17 in Rotterdam is possible by appointment, seven days a week.

  • Manufacturer's warranty

    The full manufacturer's warranty applies. For a claim, mail info@multi-solar.nl with your order number.

  • Shipped from Rotterdam

    As a parcel or on a pallet, depending on the weight. See the costs per country.

  • Pick-up in Rotterdam

    Free, by appointment, at Osakastraat 17, 3047 AK Rotterdam.