# Miniature Circuit Breaker HiSmart NV821679 4-pole 63 A 1000 V DC

**URL:** https://aio.lv/en/product--hismart-nv821679--10841636
**Data updated:** 2025-12-30 12:45 (EET)
**Category:** Power Sockets
**Manufacturer:** HiSmart
**Manufacturer code:** NV821679
**EAN:** 6942367503333
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.49 €
**Prices and availability valid until:** 2026-08-08 23:59
**Price without VAT (21%):** 28.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hismart-nv821679--10841636

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

HiSmart NV821679 is a 4-pole miniature circuit breaker designed for DC systems, rated 63 A and 1000 V DC. It provides circuit protection by interrupting overcurrent and short-circuit faults in photovoltaic arrays, battery installations, and other DC applications. Compact and mountable on standard DIN rails, it is suitable for commercial and industrial electrical protection needs.

## Long description

HiSmart NV821679 is a 4-pole DC miniature circuit breaker rated for 63 A and up to 1000 V DC. Designed for protection and switching in DC installations, it interrupts overloads and short-circuit faults in photovoltaic arrays, battery systems and other DC applications. The device has a compact modular housing for simple mounting on a 35 mm DIN rail and provides a visible contact position indicator for quick status checks.
Advantages
The breaker offers a high rated voltage of up to 1000 V DC and an ultimate breaking capacity of 6 kA, ensuring reliable interruption of short-circuit currents. Its thermomagnetic trip mechanism combines overload and short-circuit protection. Modular construction and standard DIN-rail installation simplify integration into existing electrical panels. The product meets IEC/EN 60947-2 requirements and complies with EU RoHS.
Suitable for
Photovoltaic (PV) arrays and solar power systems
Battery energy storage systems
Industrial DC distribution and control panels
Commercial and civil DC installations
Telecommunication DC power systems
Key specifications
Number of poles: 4
Rated current (In): 63 A
Rated operational voltage (Ue): DC 1000 V
Insulation voltage (Ui): 1200 V
Ultimate breaking capacity (Icu): 6000 A
Rated impulse withstand voltage (Uimp): 4000 V
Tripping type: Thermomagnetic
Mechanical life: 20,000 cycles
Electrical life: 1,500 cycles
Protection class: IP20
Wire cross-section: 2.5–25 mm²
Installation: 35 mm DIN rail
Operating temperature: -35 °C to +70 °C
Storage temperature: -40 °C to +85 °C
Dimensions: 71.2 × 82 × 78 mm
Standards: IEC 60947-2 / EN 60947-2
How to use
Mount the HiSmart NV821679 on a standard 35 mm DIN rail and connect DC conductors according to the marked terminals, ensuring correct polarity and secure tightening within the specified wire cross-section range (2.5–25 mm²). Verify system voltage does not exceed the rated 1000 V DC and follow applicable wiring and isolation procedures before energizing. Use the visible contact position indicator (red = closed, green = open) to confirm breaker status during commissioning and maintenance.
Usage recommendations
For reliable operation, select this breaker for DC circuits within the specified ratings and environments. Install in dry, ventilated switchgear enclosures, protect against unauthorized access, and perform periodic inspections; replace the device if mechanical or electrical operation limits are exceeded.

## FAQ

### How much does the Miniature Circuit Breaker HiSmart NV821679 4P 63A cost, and is it available for purchase?

The price is 34.49 € (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 16.07.2026 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/10841636/60192768_large.webp