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Prism Solar single-phase

Product delivery starting September 14

240V single-phase version, for charging powers up to 7.4kW:

  • It is suitable for any single-phase meter, of any power
  • It automatically regulates the consumption to avoid disconnection from the grid (blackouts at home)
  • Prism recharges your electric car using the excess power produced by your solar panels
  • It works well with an energy storage system, such as a Powerwall
  • It is directly connected to the internet via Wi-Fi or Ethernet (connecting it to your house router with a wire)
  • It can be managed using a smartphone, a computer and/or the cloud
  • It is supplied with a Type2 connector cable (the standard in Europe)
  • It is supplied with load-balancing sensor
  • It is equipped with RFID reader and with two RFID keys
  • It is eligible to participate in the Arera trial
  • Resistant to rain and water jets, IP65 protection rating

Price range: €749,00 through €799,00 VAT included

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Prism Solar single-phase shares the same basic characteristics with the other Prism products. Different models differ in the type of power supply (single-phase or three-phase).

Prism Solar single-phase – technical features:

It is suitable for any single-phase meter, of any power.
This means that it can also be connected to electric meters with lower power (e.g 3kW), so it will still allow the management of the charge of an electric car, obviously, only up to the maximum power supplied by the meter. But if you decide to boost the power of the electric-meter, your Prism Solar will already be able to handle the new amount of power.

It automatically regulates the consumption to avoid disconnection from the grid (blackouts at home).
Regardless of the electric-meter installed, single-phase Prism Solar automatically regulates the power provided to the car, measuring the energy absorbed by the rest of the house. In this way, the electric-meter does not have to intervene because of overloads caused by the charge of your electric car.Prism will never leave you without electricity at home; a load-balancing sensor is supplied with Prism.

It uses the energy produced by a solar system to recharge the car.
If you have a photovoltaic system you already know that the energy that it produces in excess is sent to the electricity grid. Single-phase Prism Solar can detect this surplus production and use it to charge your car instead of giving it away to the grid.

It is equipped with a 5mt Type2 connector cable.
Type 2 connectors are the standard in Europe. Meaning: no compatibility problems;

It can be managed with a smartphone, a computer and/or the cloud.
Prism has to be connected to the internet via Ethernet cable or Wi-Fi (if the Wi-Fi signal can reach the space where Prism is installed). And even if Prism cannot be connected to the internet, it is always possible to configure it and use to its internal Wi-Fi.

It works as a Hotspot for the Wi-Fi network.
It is possible to use Prism as a Hotspot when Prism is connected to the internet via Wi-Fi or Ethernet cable. It is useful to update the firmware of the car while it is recharging.

It includes an RFID reader under the front cover.
It also comes with two RFID keys to be used in order to start the charge in situations when it is not possible (or desired) for it to start automatically.

It is already equipped with a RCM (Residual Current Monitor).
It is not necessary to add a protection for AC/DC current while installing Prism since it already has it. It ensures maximum safety and minimizes installation costs.

It can be installed outdoors and is not afraid of contact with water.
Like all components in the Prism range, the loader can be installed outdoors. Prism does not fear exposure to liquid intrusion and/or solid particles (such as dust).
This is thanks to a specially designed cover design. In fact, the body of the cover is closed by as many as 12 screws, protecting the most sensitive electronic parts.
The IP65 rating indicates that the device is fully protected against the ingress of dust, sand and generally any small solid body, as well as against strong jets of water.

Technical data

Feature Value
Power supply Single-phase 230 V
Maximum charging power 7.4 kW
Maximum current 32 A
Cable length 5 m (7 m available)
Connector Type 2 (IEC 62196)
Built-in protection RCM (Residual Current Monitor)
Load balancing Yes (CT sensor included)
Photovoltaic integration Yes (Solar mode)
Connectivity Wi-Fi + Ethernet
Data protocol OCPP, MQTT
App Silla App (iOS and Android, free)
RFID authentication Yes
Firmware updates OTA (Over-The-Air)
IP rating IP54
Installation Wall or pole-mounted, by a qualified electrician
Certifications CE, IEC 61851-1
Manufacturing Italy (Padua)
Recommended upstream protections Type A 30 mA RCD + Type C 32 A circuit breaker
Warranty 2 years (extendable)

Documentation downloads:
https://silla.industries/docs/prism-schede-tecniche/

FAQ

Can I use Prism Solar even if I don’t have a photovoltaic system?
Yes. Solar mode is an additional feature, not a requirement. Without a photovoltaic system, Prism Solar works as a complete smart wallbox: you can manage it from the app, schedule charging during the cheapest time slots, monitor consumption, and use RFID. If you install a solar system in the future, the wallbox will already be ready to integrate with it.

How does the photovoltaic integration work?
Prism Solar measures the power produced by the solar panels and the power consumed by the house in real time, via the CT sensor installed at the meter. The “excess” energy is automatically directed to the car’s charging. If solar production decreases, the charging power reduces proportionally. The result is near-zero-cost charging during sunny hours.

Is Prism Solar compatible with my energy storage system?
Prism Solar is compatible with
several energy storage systems, including Tesla Powerwall. For the up-to-date list of compatible systems, see the full list.

Can I install Prism Solar Single-phase on a three-phase system?
Yes. Prism Solar Single-phase
can be installed on a three-phase system by connecting it to a single phase. For the technical details on this configuration, see this page.

How does Prism Solar connect to the internet?
You can
connect Prism Solar via Wi-Fi or via an Ethernet cable, depending on where the wallbox is installed. An internet connection is required for remote app control and to receive OTA firmware updates.

What is the OCPP protocol and what is it for?
OCPP (Open Charge Point
Protocol) is the international standard for communication between wallboxes and centralized management systems. It’s useful in professional settings (offices, hotels, condominiums) where you want to integrate the wallbox with a monitoring or payment platform. For private home use it isn’t necessary, but it is available.

Can I install multiple Prism Solar units in a cluster to share power?
Yes. Prism Solar
supports cluster installation: multiple charging stations connected to each other and to the meter intelligently share the available power. This configuration is ideal for condominiums, businesses, or facilities with multiple parking spaces.

How to...

Step 1: Connect the cable to the car. Insert the Type 2 connector into the vehicle’s charging port until you hear a confirmation click.

Step 2.1: If the mode is “Free” (no authentication): Charging starts automatically. The LEDs on the wallbox switch to the “Charging” state.

Step 2.2: If the mode is “RFID” (with authentication): The LED flashes while waiting for authentication. Tap the keyfob or RFID card on the marked area on the front panel. At the light and sound signal, charging starts.

Step 3: To stop charging: Press the touch button 3 times. The LEDs switch to the “Pause” state. To resume, press 3 times again.

LED guide: what they’re telling you

LED status Meaning What to do
Slow flashing green Standby: wallbox disconnected from the car Connect the cable to the vehicle
Solid green / touch button Charging: power from the grid No action required
Solid yellow Charging: 100% solar power Great! You’re charging for free
Slow flashing yellow Charging paused Press touch 3x to resume
Flashing white Waiting for RFID authentication Tap card or keyfob
Solid blue OTA firmware update in progress Don’t switch off the wallbox
Solid red Sensor error (three-phase only) Check Smart Meter connection
Fast flashing red Generic error Contact support

Full guide

Charging modes

Boost mode. Prism charges the car using power from the grid, adjusting the power based on household loads so as not to exceed the meter’s limit. This is the standard mode.

OnlySun mode. Prism uses only the energy produced by the solar panels to charge the car. Charging adapts in real time to solar production: if the sun decreases, the power reduces proportionally. If there isn’t enough solar energy, charging automatically pauses so as not to draw from the grid.

How to schedule night charging (time slot)

From the Silla app:

Open the app and select your Prism Solar.
Go to “Settings” or “Scheduling”.
Enable “Night” mode or create a custom time schedule.
Set the start time (e.g. 11:00 PM) and the end time (e.g. 7:00 AM).
Confirm. From now on, Prism will automatically start charging during that time slot, taking advantage of lower rates.

How to use RFID authentication

If you’ve enabled RFID mode, only someone with a paired card or keyfob can start charging.

To enable charging:

Connect the cable to the car.
The LEDs indicate “Waiting for authentication” (flashing white).
Tap the RFID card or keyfob on the marked area on the front panel.
At the light and sound signal, charging starts.

To stop authenticated charging: Tap the RFID card on the same area again.

What to do if Prism’s Wi-Fi is no longer visible

If the Wi-Fi network created by Prism during setup is no longer visible:

Check that Prism is powered (LEDs on).
Try restarting it by disconnecting and reconnecting the power.
If the problem persists, read the dedicated guide

Shipping, Payment & Returns

Delivery
Shipping is always free throughout the national Italian territory for orders over €50.
Once your order is confirmed, the courier will contact you to arrange the delivery date and time slot. Delivery takes place within 30 days of receiving the order.
You can track your shipment at any time via the link you receive by email when the order is shipped.
International shipping: We can also ship outside Italy. Times and costs vary depending on the destination. Contact us before placing your order: vendite@silla.industries

Payment methods
You can pay with:

  • Credit or debit card, securely processed via Stripe with SSL protocol
  • PayPal
  • Bank transfer
    The invoice is issued via email after payment verification.

Warranty
All Silla products are covered by a 2-year legal warranty starting from the delivery date. The warranty covers non-conformity defects with respect to the sales contract.
You can purchase a warranty extension of an additional 12, 24, or 36 months directly from the website.
For technical support: https://silla.industries/centro-assistenza/

Right of withdrawal
You have 14 days from receipt of the product to exercise your right of withdrawal, without having to provide any reason. The product must be returned intact, uninstalled, and in its original packaging.
Return shipping costs and, if applicable, the cost of collection by a qualified installer (maximum 20% of the sale price) may be deducted from the refund.
To start a return, open a request via Silla Support: https://supporto.silla.industries/recesso-commerciale

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