nx3-20s chint 7 x 7 dual rcd metal consumer unit amendment 3

nx3-20s chint 7 x 7 dual rcd metal consumer unit amendment 3

Chint NX3-20S metal dual RCD consumer unit with 7 plus 7 split load configuration, 100 A main switch and dual RCD protection for electrical distribution installations.

SKU: NX3-20SAlt SKU: NX320SMPN: NX3-20S
Price
List Price £257.11 ex VAT
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£115.70 55% OFF
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Why Choose the Chint NX3-20S Metal Consumer Unit?

The Chint NX3-20S is a robust metal dual RCD consumer unit designed for reliable electrical distribution in domestic, commercial and light industrial installations. As part of the Chint NX3 metal consumer unit series, it provides a flexible split-load arrangement with dual residual current protection and multiple outgoing circuit ways.

Designed to meet Amendment 3 requirements of BS 7671:2008 and manufactured with a durable steel enclosure, the NX3-20S provides a professional solution for installations requiring enhanced protection, organised circuit distribution and future expansion capability.

Featuring a 7 + 7 split load configuration, 100 A main switch and two 80 A 30 mA RCDs, the Chint NX3-20S is ideal for larger electrical installations requiring reliable dual RCD protection and multiple modular outgoing circuits.

Key Advantages

  • 7 + 7 dual RCD split load consumer unit for flexible circuit protection.
  • 100 A main switch incomer for reliable isolation and control.
  • Includes two 80 A 30 mA RCDs for enhanced circuit protection.
  • Durable metal enclosure construction for improved installation safety.
  • Designed for modular DIN rail protection devices.
  • Suitable for domestic, commercial and light industrial applications.

Key Features

  • Chint NX3 metal consumer unit series.
  • 20-way enclosure with 7 + 7 split load arrangement.
  • 100 A double pole main switch.
  • 2 × 80 A 30 mA RCD protection devices.
  • High integrity ready configuration.
  • Steel enclosure with lift-up lid design.
  • Designed to accommodate modular MCB and RCBO devices.
  • Compliant with relevant consumer unit standards including BS EN 61439-3.

Reliable Electrical Distribution for Modern Installations

The Chint NX3-20S provides a centralised distribution solution for installations requiring multiple protected circuits. Its dual RCD arrangement helps separate circuits across two protected sections, improving electrical safety and reducing the impact of individual circuit faults.

With its durable metal construction, high integrity layout and modular compatibility, the NX3-20S supports professional electrical installation practices while allowing flexibility for circuit additions and future upgrades.

Typical Applications

  • Large residential electrical installations.
  • Commercial building distribution systems.
  • Light industrial electrical installations.
  • Property refurbishment projects.
  • Electrical circuit expansion applications.
  • Modular MCB and RCBO protection systems.

Technical Specifications

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Product Series Chint NX
Device Type Consumer Unit
Incomer RCCB
Current 100 A
Material Steel
Manufacturer Chint
Series NX3
Model NX3-20S
Product type Metal dual RCD consumer unit
Configuration 7 + 7 split load
Total ways 20
Main switch rating 100 A
RCD protection 2 × 80 A 30 mA RCDs
Construction Steel enclosure
Mounting type Wall mounted distribution enclosure
Standards BS EN 61439-3

Frequently Asked Questions

What is the Chint NX3-20S used for?

The NX3-20S is a metal dual RCD consumer unit designed for distributing and protecting electrical circuits in domestic, commercial and light industrial installations.

How many circuits does the NX3-20S provide?

The Chint NX3-20S provides a 7 + 7 split load arrangement within a 20-way consumer unit enclosure.

What RCD protection is included?

The NX3-20S includes two 80 A 30 mA RCDs for dual residual current protection.

What is the main switch rating?

The consumer unit is supplied with a 100 A main switch for incoming supply isolation.

Where is the Chint NX3-20S typically installed?

The unit is typically installed in residential, commercial and light industrial electrical distribution systems requiring multiple protected circuits.

Trusted by Electrical Installers Worldwide

Chint NX3 metal consumer units are trusted by electricians and contractors to provide reliable, flexible and professional electrical distribution solutions for modern installations.