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1SCA162518R1001 ABB OT100G3-4DSN2 Switch-disconnector OT Plus 100 A, size G3, 4-pole, 4th pole right

1SCA162518R1001 ABB OT100G3-4DSN2 Switch-disconnector OT Plus 100 A, size G3, 4-pole, 4th pole right

ABB OT100G3-4DSN2 100A 4-pole front-operated door-mounted switch disconnector with screw terminals for industrial electrical isolation and low-voltage power distribution.

SKU: 1SCA162518R1001Alt SKU: OT100G3-4DSN2MPN: 1SCA162518R1001
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Why Choose the ABB OT100G3-4DSN2 Switch Disconnector?

The ABB OT100G3-4DSN2 (SKU: 1SCA162518R1001) is a robust and reliable 4-pole switch disconnector engineered for the safe isolation of electrical circuits in industrial, commercial and OEM power distribution systems. As part of the proven ABB OT Plus switch disconnector series, it delivers dependable switching performance, compact installation and long service life for demanding low-voltage applications.

Designed for front operation and door mounting, the OT100G3-4DSN2 incorporates built-in screw terminals with protected terminal clamps to simplify installation while improving operator safety. Its modular design allows the switch to be installed inside electrical enclosures with a compatible operating handle and shaft, providing flexible integration into modern control panels and switchboards.

With a rated operational current of 100 A, a 4-pole configuration and support for 690 V AC systems, the OT100G3-4DSN2 is ideal for isolating three-phase systems with neutral, making it suitable for industrial machinery, building services and power distribution installations.

Key Advantages

  • Compact 4-pole switch disconnector for safe circuit isolation.
  • 100 A rated operational current for industrial power applications.
  • 4-pole switching enables isolation of three-phase systems with neutral.
  • Door-mounted, front-operated design for convenient access.
  • Protected screw terminals improve installation safety.
  • Reliable ABB construction designed for long-term industrial operation.

Key Features

  • ABB OT Plus switch disconnector series.
  • Model: OT100G3-4DSN2.
  • Order code: 1SCA162518R1001.
  • 100 A rated operational current.
  • 4-pole configuration.
  • 690 V AC rated operational voltage.
  • Front-operated mechanism.
  • Door-mounted installation.
  • Built-in screw terminals with IP20 protected terminal clamps.
  • Operating handle and shaft supplied separately.

Reliable Electrical Isolation for Industrial Installations

Switch disconnectors are essential safety devices used to isolate electrical circuits before maintenance, servicing or equipment replacement. The ABB OT100G3-4DSN2 provides a visible and dependable isolation point that helps improve operational safety while reducing downtime across industrial and commercial electrical systems.

Part of ABB's trusted OT Plus range, this switch disconnector combines compact dimensions, durable construction and flexible installation options, making it an excellent choice for panel builders, electrical contractors and OEM manufacturers requiring reliable low-voltage isolation.

Typical Applications

  • Industrial control panels.
  • Low-voltage power distribution.
  • Machinery isolation.
  • Motor control centres.
  • Building electrical services.
  • OEM switchgear and automation equipment.

Technical Specifications

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Mounting Type Door / front mounting
Product Series ABB OT Plus
Device Type Switch Disconnector
Supply Type AC
Current 100 A
Phase Three Phase
Manufacturer ABB
Series OT Plus
Model OT100G3-4DSN2
Order code 1SCA162518R1001
Product type Switch disconnector
Rated operational current 100 A
Number of poles 4
Rated operational voltage 690 V AC
Connection type Screw terminals
Protection rating IP20 protected terminal clamps (front)
Mounting type Door mounted
Operation Front operated
Frame size G3
HS Code 85365080
Country of Manufacture Finland
Poles 4-pole

Frequently Asked Questions

What is the ABB OT100G3-4DSN2 used for?

The OT100G3-4DSN2 is used to safely isolate electrical circuits in industrial machinery, power distribution systems and electrical control panels.

What is the rated current of this switch disconnector?

The switch has a rated operational current of 100 A.

Why does this model have four poles?

The 4-pole design allows all three phases and the neutral conductor to be isolated simultaneously where required.

Is an operating handle supplied with the switch?

No. The operating handle and shaft are supplied separately, allowing installers to select the most suitable configuration for the enclosure.

Where is the OT100G3-4DSN2 typically installed?

It is commonly installed in industrial control panels, switchboards, motor control centres and commercial electrical distribution systems.

Trusted by Electrical Professionals Worldwide

ABB OT Plus switch disconnectors are trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit isolation, safe operation and reliable performance in demanding industrial environments.

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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

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