Chint NX8 Consumer Unit Chint NX8 Consumer Unit
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Chint NX8 Consumer Unit
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Chint NX8 Consumer Unit
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2P/4P Auto Resettable Differential Switch RCCB RCBO 40A 63A
2P/4P Auto Resettable Differential Switch RCCB RCBO 40A 63A

Chint NX8 Consumer Unit

rated voltage:690V
Brand Name:Chint
Place of Origin:China
Model Number:NX8
Rated Current:150A
Color:White
Material
Size
SKU: 1600084282338 Category: Chint MCB

Where to Use NX8 Distribution Box?

The Chint NX8 Consumer Unit is a consumer unit/distribution box designed to house and protect MCBs, RCDs, and other protective devices in residential, commercial, and light industrial installations. Available in Multiple Sizes configurations to suit various circuit requirements.

Key Features

  • Metal or Plastic Enclosure - Durable construction with IP30-IP65 protection options
  • DIN Rail Mounting - Standard 35mm DIN rail for easy device installation
  • Knockout Entries> - Multiple cable entry options for flexible wiring
  • Safety Compliance - Meet IEC 61439-3 standards for low-voltage switchgear
  • Ample Wiring Space - Designed for easy cable management and maintenance

Technical Specifications

ModelNX8
Ways/CircuitsMultiple Sizes
InstallationSurface or Flush Mount
Protection DegreeIP30 - IP65 (depending on model)
StandardIEC 61439-3

Sizing Guide

Select the number of ways based on your circuit count plus 20-30% spare capacity for future expansion:

  • Small Apartment: 8-12 ways (lighting + sockets + water heater)
  • Family Home: 12-18 ways (add air conditioning, oven circuits)
  • Commercial: 24+ ways (multiple zones, three-phase equipment)
  • Description
  • Additional information
  • Technical Datasheet & Downloads
  • Technical FAQ & Selection Guide
Description

Chint original NX8 Distribution Box 5 ways 8 ways 12 ways 15 ways 20 ways 24 ways Circuit Breaker Consumer Unit

   

1. General

1.1 Electric ratings: up to 100A, 230V, AC50/60Hz;
1.2 No. Of mounted units: 5, 6, 8, 12, 15, 20, 24;
1.3 On-load current (A): 100/1-phase;
1.4 Protection degree: IP30;
1.5 Standard: IEC61439-3(EN60670-24)

 

2. Features

2.1 The window of the consumer unit is designed with novel appearance and convenient operation. Open and close operation is            flexible, and self-locking at the open status;

2.2 Inside the product, there is a neon indicator light to indicate status of power supply; having a elegant appearance and clear               indication;

2.3 The interiorly mounted MCBs are all in compliance with relative IEC standards, 9mm modularized electric components are                applicable, as well;

2.4 On request, various circuit combinations can be assembled; and the mounting capacity of the product units can be taken to              5~24 units;

2.5 Convenient and reliable operation, having exposed handle, and all live parts to be mounted inside the wall box ;

2.6 The consumer unit is designed with internal terminal blocks for connection of neutral line and protective grounding wire.

2.7 The enclosure of the unit is made of plastic material with metal structure.

Additional information
Weight 2 kg
Dimensions 25 × 25 × 25 cm
Material

Plastic

Size

5 Way – 24 Way

Technical Datasheet & Downloads

📄 Technical Documentation & Product Specifications

Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for Chint NX8 Consumer Unit.

📥
Official Technical Datasheet (PDF) Complete electrical ratings, tripping characteristics, dimensions, and compliance specifications.
Request Official Datasheet (PDF)
📐
2D/3D CAD & Dimensional Drawings STEP, DXF, and PDF CAD drawing files for panel builders and switchgear designers.
Request CAD Model
Certified Standards: IEC 60898-1, IEC 60947-2, CE, RoHS, ISO 9001:2015
Manufacturer: Shanghai Newtrend Electric Co., Ltd. (Global Export Compliance)
Engineering Support: 24-hour response for custom voltage ratings, auxiliary contacts, and technical consulting.
Technical FAQ & Selection Guide

💡 Frequently Asked Technical Questions & Selection Guide

Pure engineering specifications, tripping curve parameters, and electrical selection guidance for panel builders and system designers.

Voltage & Load Sizing

How to verify rated operational voltage, frequency, and load duty cycle?

A

Verify that the nominal line voltage (AC 230V single-phase or 400V/415V/690V three-phase at 50/60Hz, or DC voltage ratings) falls within the continuous maximum operating limits of the device. Check duty cycle ratings (continuous vs intermittent duty) to ensure thermal stability under full load.

Protection & Environment

What ingress protection (IP Rating) and environmental enclosures are recommended?

A

For clean indoor electrical rooms, standard IP20 modular DIN-rail housings are recommended. For outdoor, industrial washdown, or dusty environments, mount components inside weatherproof enclosures rated IP65/IP66 with UV-resistant polycarbonate or powder-coated steel enclosures equipped with compression cable glands.

Selectivity & Grading

How to ensure upstream and downstream coordination in power distribution boards?

A

Ensure proper discrimination by grading current thresholds and tripping time delays: upstream devices should have higher current ratings and intentional short-time delays (Class S), allowing downstream branch MCBs to clear localized faults without blacking out the entire facility.

Installation & Mounting

What mounting rails, busbars, and spatial clearances are required?

A

Components mount on standard symmetrical 35mm DIN rail (EN 60715 / TH35-7.5) or backplate screw fixings. Maintain recommended top/bottom ventilation gaps (typically 30–50mm) to ensure unrestricted air convection, and use standard pin/fork comb busbars to minimize contact resistance and wiring errors.

Conductor & Torque Sizing

What conductor sizes and terminal tightening torques should be applied?

A

Select copper or aluminum conductor cross-sections complying with IEC 60364-5-52 current-carrying capacity tables based on continuous load. Always use a calibrated torque screwdriver or torque wrench to tighten terminal screws to the manufacturer-specified torque to prevent hot-spot degradation and loose connections.

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