ABB ot40f3c 40amp 3 pole change-over switch

Why Choose the ABB OT40F3C Change-Over Switch?

The ABB OT40F3C is a compact and dependable 3-pole manual change-over switch designed for safe power transfer and circuit selection in industrial control panels, machinery and low voltage distribution systems. As part of the trusted ABB OT switch range, it provides reliable manual switching for non-fusible change-over applications.

This front-operated change-over switch is designed for base mounting and supports manual open transition switching between two supply sources or circuits. Its robust construction, protected terminals and compact footprint make it a practical choice for panel builders, OEMs and electrical engineers.

With a rated operational current of 40 A and a 3-pole configuration, the OT40F3C is ideal for manual transfer, source selection and change-over duties in industrial and commercial electrical installations. The handle and shaft need to be ordered separately, allowing the correct operating accessories to be selected for the enclosure.

Key Advantages

• Compact 3-pole manual change-over switch for industrial applications.
• 40 A rated operational current for control panels and distribution systems.
• Open transition switching for manual source transfer.
• Front operated design for use with external handles and shafts.
• Base mounted construction for straightforward panel installation.
• Part of the proven ABB OT change-over switch range.

Key Features

• ABB OT series change-over switch.
• 3-pole manual transfer switch.
• 40 A rated operational current.
• Open transition switching operation.
• Front operated mechanism.
• Base mounted design for panel installation.
• Suitable for source selection and manual transfer switching.
• Handle and shaft need to be ordered separately.

Technical Specifications

• Manufacturer: ABB
• Series: OT Change-Over Switches
• Model: OT40F3C
• Product ID: 1SCA104913R1001
• EAN: 6417019390536
• Product type: Manual change-over switch / transfer switch
• Number of poles: 3 pole
• Rated operational current: 40 A
• Rated operational voltage: Up to 600 V AC
• Rated insulation voltage: 750 V
• Rated impulse withstand voltage: 8 kV
• Operation: Front operated
• Transition type: Open transition
• Mounting type: Base mounted
• Terminal type: Protected clamp terminals
• Protection rating: IP20
• Dimensions (H × W × D): approx. 68 × 70 × 68 mm
• Weight: approx. 0.25 kg

Reliable Manual Transfer and Source Selection

Change-over switches such as the ABB OT40F3C are used to manually transfer loads between two supply sources or electrical circuits. This makes them suitable for generator change-over, backup supply selection, bypass arrangements and other applications where controlled manual switching is required.

The OT40F3C is particularly suited to industrial panel building where compact size, reliable mechanical operation and flexible external operation are required. Its 3-pole configuration makes it suitable for three-phase manual change-over applications in machinery and electrical distribution systems.

Typical Applications

• Manual power source transfer systems.
• Generator change-over panels.
• Industrial control panels and electrical cabinets.
• Machinery and OEM equipment.
• Backup supply selection.
• Distribution boards and low voltage switchgear.

Trusted by Panel Builders Worldwide

ABB OT change-over switches are widely used by panel builders, electrical engineers and OEM machine builders for reliable manual transfer switching, robust operation and flexible integration into industrial electrical systems.