# PV Combiner Box HiSmart NV822300 DC 3in-3out IP66 junction box for solar arrays

**URL:** https://aio.lv/en/product--hismart-nv822300--10842598
**Data updated:** 2025-12-30 12:45 (EET)
**Category:** Solar Panel Accessories
**Manufacturer:** HiSmart
**Manufacturer code:** NV822300
**EAN:** 6942367528756
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 137.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 114.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hismart-nv822300--10842598

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

HiSmart NV822300 is a PV combiner junction box with DC 3 inputs and 3 outputs, designed for solar array connection and protection. Housed to IP66 rating, it provides dust-tight and powerful water ingress protection for outdoor rooftop or ground-mounted installations. Suitable for consolidating multiple strings, it simplifies wiring, enables organized cable management and enhances system reliability.

## Long description

HiSmart NV822300 is a PV combiner box with three DC inputs and three DC outputs designed for solar arrays. The IP66-rated polycarbonate enclosure provides dust-tight and strong water ingress protection for outdoor rooftop or ground-mounted installations. The unit integrates a lockable DC switch with a patented arc extinguishing chamber and three DC surge protection devices to protect and isolate the solar DC side while simplifying string consolidation and cable management.
Advantages
The combiner box supports up to 1000 V DC and includes a lockable 1000 V, 25 A DC switch with a patented arc extinguishing chamber. Three built-in DC surge protection devices provide fast response protection (response time \<25 ns) and a maximum discharge current of 40 kA. The polycarbonate enclosure meets V0 UL94 flame-retardant rating, UV resistance and IEC60529 IP66 protection, and the box is supplied with MC4-compatible connectors for straightforward connection.
Suitable for
Combining multiple PV strings on residential and commercial rooftop installations
Ground-mounted solar arrays requiring organized DC string consolidation
Outdoor installations needing IP66 dust and water protection
Key specifications
Inputs: 3 strings
Outputs: 3 strings
Maximum system voltage: 1000 V DC
DC switch: 1000 V, 25 A (1 pc), lockable, patented arc extinguishing chamber
DC surge protection: 1000 V, Imax 40 kA (3 pcs), In 20 kA, Up 3.6 kV, response \<25 ns
Short circuit current per input (Isc): adjustable 15 A–30 A
Maximum output current: 25 A
Box material: polycarbonate, UL94 V0
Ingress protection: IP66 (IEC60529)
Dimensions: 312 × 262 × 162 mm
Input cable glands: PG09, 2.5–16 mm
Output cable glands: PG21, 2.5–16 mm
Operating temperature: -25 °C to +60 °C
Standards: IEC60529, UL508i, IEC60947-3 Pv2, IEC 61643-31, EN 50539-11 + A1
Warranty: 24 months
How to use
Mount the combiner box on a suitable flat surface following local electrical codes. Connect up to three PV strings to the input terminals and route the combined outputs to the inverter using the output terminals; MC4-compatible connectors simplify string connections. Use the lockable DC switch to isolate the DC side during installation and maintenance. Ensure cable diameters match the specified gland ranges (2.5–16 mm) and tighten all connections to manufacturer torque recommendations.
Usage recommendations
Install the HiSmart NV822300 in a location with adequate ventilation and away from direct accumulation of debris. Verify system polarity and insure overcurrent protection is provided according to inverter and local regulations. Periodically inspect the enclosure seals, surge protection modules and connections, and replace SPDs after significant surge events or according to maintenance intervals.

## FAQ

### How much does the PV Combiner Box HiSmart NV822300 DC 3in-3out cost, and is it available for purchase?

The price is 137.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 02.07.2026 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 PV Combiner Box HiSmart NV822300 DC 3in-3out 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 HiSmart 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 HiSmart 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/10842598/60193678_large.webp