ABB ot125f3 isolator 125 amp load break switch 3 pole

ABB ot125f3 isolator 125 amp load break switch 3 pole

ABB OT125F3 3-pole 125 A front operated switch disconnector for industrial circuit isolation, control panels, machinery and low voltage power distribution applications.

SKU: OT125F3Alt SKU: OT125F3MPN: 1SCA105033R1001

Manufacturer Lead Time

£75.21

Why Choose the ABB OT125F3 Switch Disconnector?

The ABB OT125F3 is a compact and reliable 3-pole switch disconnector designed for safe manual isolation of electrical circuits in industrial control panels, machinery and low voltage power distribution systems. As part of the proven ABB OT Series, it provides dependable switching performance for panel builders, OEMs and electrical engineers requiring robust circuit isolation.

This front operated, non-fusible switch disconnector is suitable for both base mounting and DIN rail mounting, giving installers flexibility when designing control cabinets and distribution assemblies. Its protected clamp terminals, compact body and durable mechanical construction make it well suited to demanding industrial environments where safety and reliability are essential.

With a 125 A current rating, 3-pole configuration and suitability for low voltage switching applications, the OT125F3 is ideal for machinery isolation, motor control centres, switchboards and industrial automation panels. The operating handle and shaft are supplied separately, allowing the installation to be configured to suit the enclosure and panel layout.

Key Advantages

  • Reliable 3-pole switch disconnector for industrial isolation.
  • 125 A rated operational current for low voltage applications.
  • Front operated switching mechanism for convenient panel access.
  • Suitable for base mounting or DIN rail mounting.
  • Non-fusible disconnect switch with front protected clamp terminals.
  • Compatible with ABB handles, shafts and accessories for flexible installation.

Key Features

  • ABB OT Series switch disconnector.
  • 3-pole configuration.
  • 125 A rated current.
  • Front operated design.
  • Base mounted and DIN rail mountable construction.
  • Non-fusible disconnect switch construction.
  • Front protected clamp terminals for secure wiring.
  • Handle and shaft supplied separately for panel configuration.

Reliable Circuit Isolation for Industrial Panels

Switch disconnectors such as the ABB OT125F3 provide a safe and dependable method of isolating electrical circuits during installation, maintenance and servicing. By allowing circuits to be manually disconnected from the supply, they help protect personnel and equipment while supporting safe working procedures in industrial environments.

The OT125F3 is well suited to three-phase applications where compact installation, reliable switching and flexible mounting are required. Its front operated design makes it easy to integrate into control panels, switchboards and machinery where dependable manual isolation is essential.

Typical Applications

  • Industrial control panels and switchboards.
  • Machine isolation and maintenance switching.
  • Motor control centres and automation cabinets.
  • Low voltage power distribution systems.
  • Panel building and OEM machinery.
  • Industrial plant and equipment isolation.

Technical Specifications

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Device Type Switch Disconnector
Product Series ABB OT
Current 125 A
Phase Three Phase
Poles 3-pole
Manufacturer ABB
Series OT Switch Disconnectors
Model OT125F3
Product ID 1SCA105033R1001
EAN 6417019391632
Product type Switch disconnector / non-fusible disconnect switch
Rated operational current 125 A
Number of poles 3
Rated operational voltage Up to 600 V AC
Operation Front operated
Mounting type Base mounting / DIN rail mountable
Terminal type Front protected clamp terminals
Protection rating IP20
Standards IEC 60947-3 / UL 98 / CSA
Handle and shaft Not included
Dimensions (H × W × D) approx. 100 × 70 × 74 mm
Weight approx. 0.36 kg
HS Code 85365080
Country of Manufacture Finland

Frequently Asked Questions

What is the ABB OT125F3 used for?

The OT125F3 is used to safely isolate electrical circuits in industrial control panels, machinery, switchboards and low voltage distribution systems.

How many poles does the OT125F3 have?

The ABB OT125F3 has a 3-pole configuration, making it suitable for three-phase circuit isolation applications.

What is the current rating of the OT125F3?

The OT125F3 has a rated operational current of 125 A.

Can the ABB OT125F3 be DIN rail mounted?

Yes. The OT125F3 is suitable for base mounting and DIN rail mounting, giving installers flexibility in control panel and switchboard applications.

Are the handle and shaft included with the OT125F3?

No. The operating handle and shaft are not included and should be selected separately to suit the enclosure depth and installation requirements.

Trusted by Panel Builders Worldwide

ABB OT Series switch disconnectors are widely used by electrical engineers, OEM machine builders and panel manufacturers to deliver safe isolation, reliable switching and compact installation in industrial power systems.