nh18-250/250/3 chint 250a 3 pole mccb type isolator

nh18-250/250/3 chint 250a 3 pole mccb type isolator

Chint NH18-250/250/3 250A three pole MCCB type isolator for safe manual isolation in commercial and industrial low voltage power distribution systems.

SKU: NH18-250/250/3Alt SKU: NH182502503MPN: NH18-250/250/3
Price
List Price £275.05 ex VAT
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Why Choose the Chint NH18-250/250/3 MCCB Type Isolator?

The Chint NH18-250/250/3 is a robust three pole MCCB type isolator designed to provide safe manual isolation for commercial and industrial low voltage power distribution systems. As part of the proven Chint NH18 Series, it delivers dependable switching performance for electrical installations where reliable circuit isolation is essential for maintenance and operational safety.

Featuring a 250A rated current and a three pole configuration, the NH18-250/250/3 is ideal for isolating three-phase electrical supplies within switchboards, distribution panels and industrial machinery. Its MCCB-style construction provides a durable operating mechanism while offering a familiar installation format for electrical contractors and panel builders.

Manufactured to meet IEC/EN 60947-3 requirements for switch disconnectors, this Chint isolator provides a reliable manual disconnect point, helping engineers safely isolate equipment before maintenance or servicing. Its compact design and rugged construction make it suitable for demanding commercial and industrial applications.

Key Advantages

  • 250A MCCB type isolator for reliable manual circuit isolation.
  • Three pole configuration for three-phase electrical systems.
  • Designed for commercial and industrial power distribution.
  • Provides safe isolation during servicing and maintenance.
  • Compact MCCB-style construction for straightforward installation.
  • Manufactured by Chint for dependable long-term performance.

Key Features

  • Chint NH18 Series switch disconnector.
  • 250A rated current.
  • Three pole (3P) configuration.
  • MCCB type isolator construction.
  • Manual ON/OFF switching operation.
  • Suitable for low voltage power distribution systems.
  • Panel and switchboard mounting.
  • Manufactured in accordance with IEC/EN 60947-3.

Safe Isolation for Industrial Power Distribution

The Chint NH18-250/250/3 provides a dependable method of manually disconnecting electrical supplies before inspection, servicing or maintenance. Proper isolation helps improve operator safety while reducing the risk of accidental energisation during maintenance procedures.

Its three pole configuration is ideal for isolating three-phase power circuits used throughout commercial buildings, manufacturing facilities, plant rooms and industrial installations.

Typical Applications

  • Industrial switchboards.
  • Commercial distribution boards.
  • Main incoming isolators.
  • Electrical control panels.
  • Machinery isolation.
  • Building services installations.

Technical Specifications

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Mounting Type Fixed
Device Type Switch Disconnector
Current 250 A
Phase Three Phase
Poles 3-pole
Manufacturer Chint
Series NH18
Model NH18-250/250/3
Product type MCCB Type Isolator / Switch Disconnector
Rated current 250A
Frame size 250A
Number of poles 3 Pole
Operation Manual isolation
Standard IEC/EN 60947-3
Mounting type Panel / switchboard mounting
Application Low voltage power distribution
Suitable for Distribution boards, switchgear and industrial control panels

Frequently Asked Questions

What is the Chint NH18-250/250/3 used for?

The NH18-250/250/3 is used to manually isolate three-phase electrical circuits in commercial and industrial power distribution systems.

What current rating does this isolator have?

This model has a 250A rated current.

How many poles does the NH18-250/250/3 have?

The isolator has a three pole (3P) configuration for switching three-phase electrical supplies.

Does this isolator provide overload protection?

No. The NH18-250/250/3 is a switch disconnector designed for manual isolation rather than automatic overload or short circuit protection.

Where is this MCCB type isolator typically installed?

It is commonly installed within switchboards, distribution panels, industrial machinery and commercial electrical installations requiring a reliable isolation point.

Trusted for Reliable Electrical Isolation

Chint NH18 MCCB type isolators are trusted by electrical contractors, panel builders and maintenance engineers for dependable manual isolation across commercial and industrial low voltage power distribution systems.