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header-product Junction Box HiSmart NV821792 unipolar 250A for solar/energy systems
16.99 €

Junction Box HiSmart NV821792 unipolar 250A for solar/energy systems

Junction Box HiSmart NV821792 250A Photo 1
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Junction Box HiSmart NV821792 unipolar 250A for solar/energy systems

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Junction Box HiSmart NV821792 unipolar 250A for solar/energy systems

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Short description

Unipolar junction box HiSmart NV821792 rated 250A designed for solar and power distribution installations. Provides a single-pole connection point for strings or circuits, simplifying wiring and protection integration. Suited for on-roof or equipment-panel mounting, it helps organize cable runs, enable secure terminations and support protective devices. Ideal for installers and integrators requiring reliable, high-current junctions.
Available for order: 5 pcs.
Warranty: 2 Years
SKU: 10842250
Manufacturer: HiSmart
free shipment

Cheapest delivery:

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Pick-up points

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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
02.07.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
07.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
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Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
07.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Product information

Description

Unipolar junction box HiSmart NV821792 rated 250A provides a single-pole connection point for solar and power distribution systems. Designed for DIN-rail mounting in electrical panels or on equipment, the junction box organizes cable runs and allows secure, inspected terminations via a transparent cover. The housing is made from flame-retardant PA nylon and terminals are brass-plated for mechanical strength, corrosion resistance and good conductivity.

Advantages

The junction box supports high nominal current up to 250 A and a wide AC/DC voltage range, making it suitable for various energy installations. Its transparent cover permits visual inspection of connections, while the DIN-rail design enables compact mounting in distribution panels. Flame-retardant PA body and brass-plated terminals increase safety and long-term reliability under electrical load.

Suitable for

  • Solar PV string junctions and combiner boxes
  • Equipment and control panel cable branching
  • Industrial and commercial power distribution installations

Key specifications

  • Nominal current: 250 A
  • Voltage rating: AC/DC 690–1000 V AIEC
  • Connected conductor cross-sections: 1×(35–120 mm²) / 2×(6–35 mm²) / 5×(2.5–16 mm²) / 4×(2.5–10 mm²)
  • Installation: DIN-rail mounting
  • Terminals: brass plated
  • Body material: PA (nylon), flame retardant (UL94 V0)
  • Dimensions: 49 × 95 × 49 mm

How to use

Mount the HiSmart NV821792 on a standard DIN rail inside an electrical panel or enclosure. Route and strip conductors to the appropriate terminal positions according to the required connection scheme, then tighten terminals to the manufacturer’s recommended torque to ensure secure contact. Close the transparent cover to allow visual inspection while protecting connections from accidental contact.

Usage recommendations

Use this junction box within the stated current and voltage ratings, select conductor sizes that match the specified cross-section ranges, and follow local electrical codes and installation practices. Verify torque settings and inspect connections periodically for corrosion or loosening.

Description

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Customer reviews

Customer questions

FAQ

How much does the Junction Box HiSmart NV821792 250A cost, and is it available for purchase?

The price is 16.99 € (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. 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.