# Circuit breaker HiSmart NV821549 3P 25A Class C 6kA

**URL:** https://aio.lv/en/product--hismart-nv821549--10840443
**Data updated:** 2025-12-30 12:45 (EET)
**Category:** Power Sockets
**Manufacturer:** HiSmart
**Manufacturer code:** NV821549
**EAN:** 6942034315788
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 7.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 6.19 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hismart-nv821549--10840443

## 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

Three-pole miniature circuit breaker HiSmart NV821549 with rated current 25 A, C tripping characteristic and 6 kA breaking capacity. Designed to protect electrical circuits from overloads and short circuits in residential and light commercial installations. Compact DIN-rail mounting, reliable switching for protection and selective coordination in three-phase systems.

## Long description

HiSmart NV821549 is a three-pole miniature circuit breaker with a rated current of 25 A, C tripping characteristic and 6 kA rated breaking capacity. It is designed to protect three-phase circuits from overloads and short circuits in residential and light commercial installations. The device features a compact housing for DIN-rail (35 mm) mounting and provides clear contact position indication for fast visual checks.
Advantages
The circuit breaker offers overload and short-circuit protection with a C-type tripping curve suitable for general-purpose circuits. It has a flame-retardant, high-temperature- and impact-resistant enclosure and an anti-mistake contact terminal block. Contact position is indicated by color (red = closed, green = open). The product meets IEC/EN 60898-1 standards and includes both top and bottom connections compatible with cable or pin-type busbar.
Suitable for
 Protection of three-phase distribution circuits in homes
 Light commercial electrical panels and small workshops
 DIN-rail installations requiring selective protection and clear contact indication
Key specifications
 Number of poles: 3
 Rated current (In): 25 A
 Tripping class: C
 Rated operational voltage (Ue): AC 400 V
 Insulation voltage (Ui): 500 V
 Rated frequency: 50/60 Hz
 Rated breaking capacity (Icu): 6000 A
 Rated impulse withstand voltage (Uimp): 6000 V
 Mechanical life: 20,000 operations
 Electrical life: 8,000 operations
 Protection degree: IP20
 Terminal connection: cable / pin-type busbar
 Wire / busbar cross-section: up to 25 mm² / 18-3 AWG
 Connection: top and bottom
 Mounting: DIN rail EN 60715 (35 mm) with fast clip
 Operating temperature: -5°C to +40°C (daily average \<35°C)
 Storage temperature: -25°C to +70°C
 Dimensions: 85.5 x 78.8 x 54 mm
 Standards: IEC 60898-1 / EN 60898-1
 Warranty: 24 months
How to use
Install the HiSmart NV821549 on a 35 mm DIN rail using the fast clip device, ensuring both top and bottom terminals are accessible for cable or pin-type busbar connections. Connect conductors within the specified cross-sectional area and tighten terminals to the manufacturer’s recommended torque. Use the breaker as the protective device for three-phase circuits; verify correct wiring and perform a functional test by switching the breaker on and off and checking the contact position indicator (red = closed, green = open).
Usage recommendations
Do not exceed the rated current of 25 A and ensure the installation environment stays within the specified temperature limits. For safe operation, use the breaker in accordance with IEC/EN 60898-1 and have connections tightened by a qualified electrician. Regularly inspect the device for signs of damage and verify contact indication during maintenance.

## FAQ

### How much does the Circuit breaker HiSmart NV821549 3P 25A cost, and is it available for purchase?

The price is 7.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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. 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/10840443/60188090_large.webp