# Keno SH-55 AC Inverter Connection Box with Type 2 AC Surge Arrester 16A 3-Phase

**URL:** https://aio.lv/en/product--keno-sh-55-ac--12456102
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Solar Panel Accessories
**Manufacturer:** Keno
**Manufacturer code:** SH-55 AC
**EAN:** 5904473570082
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 151.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 125.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--keno-sh-55-ac--12456102

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Keno SH-55 AC is a professional inverter connection box designed for 3-phase photovoltaic systems. It features an integrated Type 2 AC surge arrester to protect the inverter and electrical installation from voltage spikes. Rated for 16A, this robust junction box ensures safe and reliable power distribution in solar energy setups, providing essential electrical protection and facilitating efficient system integration.

## Long description

The Keno SH-55 AC inverter connection box is a professional solution engineered for 3-phase photovoltaic systems. This robust unit serves as a critical interface between the solar inverter and the electrical grid, ensuring secure power distribution and system stability. Equipped with an integrated Type 2 AC surge arrester, the device provides essential protection against transient overvoltages and electrical spikes, safeguarding sensitive inverter electronics and the broader electrical installation from potential damage.
Advantages
The primary benefit of the Keno SH-55 AC is its comprehensive approach to electrical safety in solar installations. By incorporating a Type 2 surge protection device directly into the connection box, it eliminates the need for complex external wiring and reduces installation time. The unit is specifically designed for 3-phase systems, offering a reliable 16A capacity that meets the requirements of most residential and small commercial solar setups. Its durable construction ensures long-term performance even in demanding environmental conditions, providing peace of mind through consistent electrical protection.
Suitable for
3-phase photovoltaic solar energy systems
Residential solar power installations
Small commercial solar energy projects
Protection of solar inverters against voltage surges
This connection box may not be suitable for single-phase solar installations or systems exceeding the 16A current rating. It is also not intended for use in high-voltage industrial applications that require specialized surge protection levels beyond the Type 2 classification.
Key specifications
System type: 3-phase
Rated current: 16A
Surge protection class: Type 2 AC
Application: Photovoltaic inverter connection
Installation should be performed by a qualified electrician in accordance with local electrical codes. The box is mounted in a location that allows for easy access to the internal components while ensuring protection from direct environmental exposure. Cables are routed through the provided entry points and secured to the internal terminals, ensuring all connections are tightened to the specified torque to prevent overheating and ensure optimal conductivity.
What to consider before purchase
Verify that your solar inverter system is 3-phase
Ensure the 16A rating is compatible with your system's output
Check local regulations regarding surge protection requirements for PV installations
Confirm the physical dimensions fit your intended mounting space
For optimal performance and safety, regularly inspect the surge arrester status indicator and ensure all terminal connections remain secure during routine system maintenance.

## FAQ

### How much does the Keno SH-55 AC Inverter Connection Box 16A 3-Phase cost, and is it available for purchase?

The price is 151.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Keno SH-55 AC Inverter Connection Box 16A 3-Phase be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Keno products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Keno service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12456102/68758335_large.webp