# Circuit breaker HiSmart NV821600 4-pole 20A miniature DIN-rail

**URL:** https://aio.lv/en/product--hismart-nv821600--10840449
**Data updated:** 2025-12-30 12:45 (EET)
**Category:** Power Sockets
**Manufacturer:** HiSmart
**Manufacturer code:** NV821600
**EAN:** 6942034316136
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 13.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hismart-nv821600--10840449

## 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

Miniature circuit breaker HiSmart NV821600 is a 4-pole, 20 A protective device designed for DIN-rail electrical installations. It provides overcurrent and short-circuit protection for multi-phase circuits in residential, commercial, and light-industrial applications. Compact design saves panel space and allows straightforward mounting and wiring for reliable circuit isolation and safety.

## Long description

Miniature circuit breaker HiSmart NV821600 is a 4-pole, 20 A device for DIN-rail installation that provides overcurrent and short-circuit protection for multi-phase circuits. The compact design and top-and-bottom connections allow straightforward mounting and wiring in residential, commercial and light-industrial electrical panels. The breaker includes a contact position indicator for clear on/off status and is made from flame-retardant, impact- and high-temperature-resistant materials.
Advantages
The HiSmart NV821600 offers coordinated overload and short-circuit protection with a C characteristic curve, a rated breaking capacity of 6 kA and IP20 protection class. It features an anti-mistake contact terminal block, clear red/green contact position indication, and supports cable or pin-type busbar connections up to 25 mm². Designed for DIN-rail EN 60715 (35 mm) mounting, it combines compact dimensions with long mechanical and electrical life.
Suitable for
Protecting multi-phase circuits in residential distribution boards
Overcurrent and short-circuit protection in small commercial installations
Light-industrial panels where space-saving DIN-rail mounting is required
Key specifications
Number of poles: 4
Rated current (In): 20 A
Trip curve: Class C
Rated 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 class: IP20
Terminal connection type: 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 71.5 mm
Standards: IEC 60898-1 / EN 60898-1
Warranty: 24 months
How to use
Install the HiSmart NV821600 on a 35 mm DIN rail (EN 60715) using the fast clip device. Make electrical connections from top and bottom, using the terminal block for cable or pin-type busbar up to the specified cross-sectional area. Ensure correct wiring for the four poles and verify that the supply voltage and frequency match the rated values. After mounting and wiring, test the contact position indicator to confirm correct closed (red) and open (green) states before placing the circuit into service.
Usage recommendations
Use this 4-pole 20 A C-characteristic breaker for multi-phase circuits where a 6 kA breaking capacity and compact DIN-rail mounting are required. Confirm cable cross-sections and tightening torques per local electrical codes and perform routine inspections; avoid exposure beyond the specified operating temperature range.

## FAQ

### How much does the HiSmart NV821600 4P 20A miniature circuit breaker cost, and is it available for purchase?

The price is 15.99 € (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 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/10840449/60188096_large.webp