ABB ot25f3 isolator 25a load break switch 3 pole

Why Choose the ABB OT25F3 Switch Disconnector?

The ABB OT25F3 is a compact and dependable 3-pole switch disconnector designed for safe electrical isolation in industrial control panels, machinery and low voltage distribution systems. As part of the trusted ABB OT switch disconnector range, it delivers reliable manual switching performance for non-fusible disconnect applications.

Designed for front operation, the OT25F3 supports both base mounting and DIN rail installation, providing flexibility for panel builders and OEM machine manufacturers. Protected clamp terminals simplify wiring while the compact design helps maximise available enclosure space. Handle and shaft are supplied separately, allowing the correct operating accessories to be selected for each installation.

With a rated operational current of 25 A and a 3-pole configuration, the OT25F3 is ideal for isolating three-phase circuits in industrial machinery, motor control centres, switchboards and automation systems.

Key Advantages

• Compact 3-pole switch disconnector for industrial isolation.
• 25 A current rating suitable for demanding control panel applications.
• Front operated design for convenient installation.
• Base mounted and DIN rail mountable for installation flexibility.
• Protected clamp terminals provide secure electrical connections.
• Part of the proven ABB OT switch disconnector family.

Key Features

• ABB OT series switch disconnector.
• 3-pole non-fusible disconnect switch.
• 25 A rated operational current.
• Front operated mechanism.
• Suitable for base mounting.
• DIN rail mountable.
• Protected clamp screw terminals.
• Handle and shaft supplied separately.

Technical Specifications

• Manufacturer: ABB
• Series: OT Switch Disconnectors
• Model: OT25F3
• Product ID: 1SCA104857R1001
• EAN: 6417019390000
• Product type: Switch disconnector / non-fusible disconnect switch
• Number of poles: 3 pole
• Rated operational current: 25 A
• Rated operational voltage: Up to 750 V AC
• Rated insulation voltage: 750 V
• Rated impulse withstand voltage: 8 kV
• Mounting type: Base mounted / DIN rail mountable
• Terminal type: Protected clamp terminals
• Protection rating: IP20 (front)
• Dimensions (H × W × D): 68 × 35 × 56 mm
• Weight: Approx. 0.09 kg

Reliable Isolation for Industrial Control Systems

The ABB OT25F3 provides dependable manual isolation for industrial electrical systems, allowing equipment to be safely disconnected during servicing and maintenance. Its quick-make, quick-break mechanism and compact modular construction make it well suited to modern electrical installations.

Designed to comply with international standards including IEC 60947-3 and UL 508, the OT25F3 offers reliable performance in machine building, motor control and low voltage distribution applications.

Typical Applications

• Industrial control panels.
• Machine builders and OEM equipment.
• Motor control centres.
• Switchboards and distribution panels.
• Industrial automation systems.
• Electrical isolation for maintenance and servicing.

Trusted by Panel Builders Worldwide

ABB OT switch disconnectors are widely specified by electrical engineers, OEM machine builders and panel manufacturers for reliable circuit isolation, long service life and dependable industrial performance.