# Surge Protection Device HiSmart NV821723 1P 1000 VDC

**URL:** https://aio.lv/en/product--hismart-nv821723--10841781
**Data updated:** 2025-12-30 12:45 (EET)
**Category:** Power Extension Cords & Surge Protectors
**Manufacturer:** HiSmart
**Manufacturer code:** NV821723
**EAN:** 6942108715070
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 26.49 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 21.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hismart-nv821723--10841781

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

DC surge protection device HiSmart NV821723 is a single-pole (1P) protector rated for 1000 VDC. Designed to protect DC circuits and equipment from transient overvoltage, it is suitable for photovoltaic, battery and other DC systems. Compact and easy to install, it provides reliable surge diversion to improve system safety and longevity.

## Long description

Surge Protection Device HiSmart NV821723 is a single-pole (1P) DC surge protector rated for 1000 VDC. It is designed to protect DC power systems, photovoltaic arrays, battery installations and other industrial DC equipment from transient overvoltage caused by induction, nearby lightning strikes or direct lightning influence. The unit meets IEC 61643-1 and CE standards and features a compact housing for DIN-rail mounting.
Advantages
The HiSmart NV821723 provides high discharge capability with a maximum discharge current of 100 kA and a nominal discharge current of 60 kA, ensuring effective diversion of large surge events. Its fast response time (under 25 ns) and a voltage protection level up to 5 kV help limit overvoltage stress on connected equipment. The device supports wide operating temperatures (-40 °C to +85 °C) and simple installation on a 35 mm DIN rail.
Suitable for
Photovoltaic (PV) arrays and solar inverter DC inputs
Battery banks and DC distribution systems
Wind power DC equipment and industrial DC power supplies
Protection of sensitive DC electronics against transient overvoltage
Key specifications
Number of poles: 1P
Class: B
Maximum continuous operating voltage (Uc): 1000 V DC
Nominal discharge current (In): 60 kA
Maximum discharge current (Imax): 100 kA
Voltage protection level (Up): ≤ 5 kV
Response time: \< 25 ns
Frequency: 50/60 Hz
Operating temperature: -40 °C to +85 °C
Relative humidity (at 25 °C): \< 95%
Installation: 35 mm DIN rail
Wires cross-section: 4–6 mm²
Dimensions: 27 × 90 × 67 mm
Warranty: 24 months
How to use
Install the HiSmart NV821723 on a standard 35 mm DIN rail inside the DC distribution panel. Connect the device in series with the DC line to be protected according to the system wiring diagram and applicable electrical standards. Ensure correct conductor size (4–6 mm²) and secure terminal connections. After installation, verify proper grounding and check that the maximum continuous operating voltage does not exceed 1000 VDC.
Usage recommendations
For reliable protection, combine the NV821723 with appropriate upstream and downstream protective devices as required by system design, and perform periodic visual inspections. Replace the unit if it shows signs of damage or after a major surge event to maintain continued protection of DC equipment.

## FAQ

### How much does the Surge Protection Device HiSmart NV821723 1P 1000 VDC cost, and is it available for purchase?

The price is 26.49 € (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 13.07.2026 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. All transactions are 100% secure and encrypted.

### 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/10841781/60192878_large.webp