2CCS500900R0021 ABB NT401-63 Neutral Disconnector 63 A 9 mm

2CCS500900R0021 ABB NT401-63 Neutral Disconnector 63 A 9 mm

ABB NT401-63 is a 63 A, 9 mm wide neutral disconnector for the SMISSLINE TP plug-in system with a load-side terminal capable of clamping two separate conductors.

SKU: 2CCS500900R0021Alt SKU: NT40163MPN: 2CCS500900R0021
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Why Choose the ABB NT401-63 Neutral Disconnector?

The ABB NT401-63 is a compact neutral disconnector designed for the ABB SMISSLINE TP plug-in distribution system. With a width of just 9 mm, it provides a dedicated means of disconnecting the neutral conductor while occupying only half a module within a compatible SMISSLINE assembly.

Designed for integration alongside compatible ABB S400 devices, the NT401-63 uses the SMISSLINE plug-in concept for efficient installation within electrical distribution assemblies. Its narrow construction is particularly useful where panel space is limited and a dedicated neutral disconnect function is required.

The NT401-63 is rated at 63 A and features a load-side terminal capable of accepting two separate conductors. ABB identifies the device under order code 2CCS500900R0021 and EAN / GTIN 7612270100859.

Key Advantages

  • Dedicated neutral conductor disconnection for compatible SMISSLINE installations.
  • 63 A rated current.
  • Compact 9 mm width saves valuable distribution-board space.
  • Occupies only 0.5 modules.
  • Load-side terminal accepts two separate conductors.
  • Plug-in construction supports efficient integration with the ABB SMISSLINE TP system.
  • Designed for installation alongside compatible ABB S400 devices.
  • Original ABB component for dependable system compatibility.

Key Features

  • ABB SMISSLINE TP neutral disconnector.
  • 63 A current rating.
  • 9 mm device width.
  • 0.5-module construction.
  • SMISSLINE plug-in mounting.
  • Designed for right-side mounting on compatible S400 devices.
  • Load-side connection supports two separate conductors.
  • Compact design for space-efficient distribution assemblies.
  • Available with the ZLS728 compensation piece where compensation to an 18 mm width is required.

Space-Efficient Neutral Disconnection for SMISSLINE TP

A neutral disconnector provides a dedicated means of isolating the neutral conductor within an electrical distribution arrangement. This can support inspection, testing and maintenance requirements while allowing the neutral connection to be separated at the relevant circuit position.

The ABB NT401-63 combines this function with the compact SMISSLINE TP architecture. At only 9 mm wide, the device occupies half a standard module, while its load-side terminal can clamp two separate conductors for additional connection flexibility within compatible assemblies.

Typical Applications

  • ABB SMISSLINE TP electrical distribution systems.
  • Neutral conductor isolation in compatible circuits.
  • Installation alongside compatible ABB S400 devices.
  • Commercial and industrial distribution boards.
  • Building electrical distribution systems.
  • Panel building and switchboard assemblies.
  • Maintenance, testing and system expansion applications.

Technical Specifications

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Product Series ABB SMISSLINE TP
Device Type Terminal / feed-in
Product group SMISSLINE Plug-in System
ABB order code 2CCS500900R0021
EAN / GTIN 7612270100859
Product type Neutral disconnector
Rated current 63 A
Width 9 mm
Module width 0.5 modules
Mounting SMISSLINE TP plug-in
Mounting position Right-side mounting on compatible S400 devices
Load-side connection Two separate conductors can be clamped
Weight approx. 45 g
Packaging unit 10 pieces
Compatible compensation accessory ABB ZLS728 for compensation to 18 mm

Frequently Asked Questions

What is the ABB NT401-63 used for?

The ABB NT401-63 is a neutral disconnector designed to provide neutral conductor isolation within compatible ABB SMISSLINE TP electrical distribution systems.

What is the current rating of the NT401-63?

The ABB NT401-63 has a rated current of 63 A.

How wide is the ABB NT401-63?

The NT401-63 is 9 mm wide and occupies 0.5 modules, providing a compact neutral disconnection solution for SMISSLINE TP assemblies.

Can two conductors be connected to the NT401-63?

Yes. ABB specifies that two separate conductors can be clamped at the load-side terminal of the NT401-63.

What is the ABB order code for the NT401-63?

The ABB order code is 2CCS500900R0021, and the EAN / GTIN is 7612270100859.

Trusted ABB SMISSLINE Distribution Accessories

ABB SMISSLINE TP components provide a modular plug-in approach to electrical distribution, supporting compact installation, dependable connections and flexible configuration for commercial and industrial distribution assemblies.