OS100TPN-A ABB 100A 3P+N Steel Enclosed Switch Fuse IP65

OS100TPN-A ABB 100A 3P+N Steel Enclosed Switch Fuse IP65

ABB OS100TPN-A is a 100 A 3P+N enclosed switch fuse with a detachable neutral link, A2/A3 fuse compatibility and an IP65 RAL 7035 steel enclosure, rated 55 kW AC-23 at 400 V.

SKU: OS100TPN-AMPN: OS100TPN-A
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Why Choose the ABB OS100TPN-A 100A 3P+N Enclosed Switch Fuse?

The ABB OS100TPN-A is a 100 A three-pole plus neutral enclosed switch fuse designed for industrial electrical distribution, isolation and fused protection. It combines ABB OS switch-fuse technology with a robust steel enclosure, providing a complete solution for circuits requiring three-phase switching together with a neutral connection.

The OS100TPN-A is housed in a powder-coated RAL 7035 steel enclosure providing IP65 protection. The enclosure measures 400 × 300 × 150 mm (H × W × D) and incorporates removable gland plates, a hinged door with lock and a padlockable pistol-grip operating handle for practical industrial installation and secure isolation.

Rated at 100 A, the OS100TPN-A uses A2/A3 fuse types and provides an AC-23 operational power rating of 55 kW at 400 V. The three-pole switching arrangement is complemented by a detachable neutral link, while incoming terminal shrouds are supplied to provide additional protection around the incoming connections.

Key Advantages

  • 100 A 3P+N enclosed switch-fuse configuration.
  • Combines switching, isolation and fuse protection in one enclosed assembly.
  • Includes a detachable neutral link for three-phase and neutral installations.
  • IP65 steel enclosure for demanding indoor industrial environments.
  • 55 kW AC-23 rating at 400 V.
  • Designed for A2/A3 fuse types.
  • Padlockable pistol-grip handle supports secure local isolation.
  • Removable gland plates provide flexibility when preparing cable entries.
  • Incoming terminal shrouds are supplied for the 100 A assembly.

Key Features

  • ABB OS100TPN-A enclosed switch fuse.
  • 100 A rated current.
  • Three-pole plus neutral configuration.
  • Detachable neutral link included.
  • 55 kW at 400 V AC-23 operational rating.
  • IP65 degree of protection.
  • Steel enclosure with textured RAL 7035 powder-coated finish.
  • Designed for A2/A3 fuses.
  • Padlockable pistol-grip operating handle.
  • Hinged enclosure door complete with lock.
  • Removable gland plates for cable entry.
  • Incoming terminal shrouds supplied.

3P+N Fused Isolation for Industrial Electrical Systems

A three-pole plus neutral enclosed switch fuse provides switching and fused protection for three-phase circuits while retaining a dedicated neutral connection. Appropriately selected fuses provide protection against overload and short-circuit conditions, while the switch-fuse mechanism provides a clearly defined means of local circuit isolation.

The ABB OS100TPN-A combines 100 A switching, a detachable neutral link and A2/A3 fuse compatibility within an IP65 steel enclosure. Its 55 kW AC-23 rating at 400 V makes it suitable for appropriate industrial motor, machinery and distribution applications where three-phase and neutral connectivity is required.

Typical Applications

  • Three-phase and neutral industrial distribution circuits.
  • Industrial machinery isolation and fused protection.
  • Motor circuits up to the applicable 55 kW at 400 V AC-23 rating.
  • Plant-room and building-services electrical systems.
  • Industrial distribution boards and switchgear.
  • Manufacturing and production equipment.
  • OEM machinery requiring local 3P+N fused isolation.

Technical Specifications

Series OS
Product group 311019-Metal Enclosed (Loadbreak)
Model / order code OS100TPN-A
Product type Enclosed switch fuse
Rated current 100 A
Configuration 3P+N
Switched poles 3
Neutral Detachable neutral link
AC-23 operational power at 400 V 55 kW
AC-23 operational power at 500 V 55 kW
AC-23 operational power at 690 V 90 kW
Fuse type A2/A3
Degree of protection IP65
Installation environment Indoor; enclosure not intended for external installation
Enclosure material Steel
Enclosure finish Powder-coated textured finish
Enclosure colour RAL 7035
Operating mechanism Padlockable pistol-grip handle
Door Hinged, complete with lock
Cable entry Removable gland plates
Incoming terminal protection Terminal shrouds supplied
Enclosure height 400 mm
Enclosure width 300 mm
Enclosure depth 150 mm

Frequently Asked Questions

What is the ABB OS100TPN-A?

The ABB OS100TPN-A is a 100 A 3P+N enclosed switch fuse supplied in an IP65 steel enclosure for industrial switching, isolation and fused protection.

Does the ABB OS100TPN-A include a neutral connection?

Yes. The OS100TPN-A has a three-pole switching arrangement with a detachable neutral link, making it suitable for appropriate three-phase and neutral circuits.

What fuse types does the ABB OS100TPN-A use?

The ABB OS100TPN-A is designed for A2/A3 fuse types.

What is the AC-23 rating of the ABB OS100TPN-A?

The OS100TPN-A has AC-23 operational power ratings of 55 kW at 400 V, 55 kW at 500 V and 90 kW at 690 V.

What are the enclosure dimensions of the ABB OS100TPN-A?

The IP65 steel enclosure measures 400 mm high × 300 mm wide × 150 mm deep and features removable gland plates, a hinged door with lock and a padlockable pistol-grip handle.

Trusted for Industrial Fused Isolation

ABB OS enclosed switch fuses combine dependable switching, fuse protection and robust steel enclosures, providing practical local isolation for industrial machinery, motors and three-phase electrical distribution systems.