ABB ot25f4n2 25a load break switch 4 pole

Why Choose the ABB OT25F4N2 Switch Disconnector?

The ABB OT25F4N2 is a compact and dependable 4-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 provides reliable manual switching for non-fusible disconnect applications.

Designed for front operation, the OT25F4N2 supports both base mounting and DIN rail installation, providing installation flexibility for panel builders and OEM machine manufacturers. Protected clamp terminals ensure secure wiring, while the compact design maximises valuable enclosure space. The handle and shaft are supplied separately, allowing the correct operating accessories to be selected for each application.

With a rated operational current of 25 A and a 4-pole configuration, the OT25F4N2 is ideal for isolating three-phase plus neutral circuits in industrial machinery, motor control centres, switchboards and automation systems. The switched fourth pole provides simultaneous switching for neutral conductors.

Key Advantages

• Compact 4-pole switch disconnector for industrial isolation.
• 25 A rated operational current.
• Base mounted and DIN rail mountable for installation flexibility.
• Switched fourth pole with simultaneous operation.
• Protected clamp terminals for secure electrical connections.
• Part of the trusted ABB OT switch disconnector family.

Key Features

• ABB OT series switch disconnector.
• 4-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: OT25F4N2
• Product ID: 1SCA104886R1001
• EAN: 6417019390185
• Product type: Switch disconnector / non-fusible disconnect switch
• Number of poles: 4 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
• Conventional thermal current: 32 A
• Fourth pole: Switched, simultaneous function
• Operation: Front operated
• Mounting type: Base mounted / DIN rail mountable
• Terminal type: Protected clamp terminals
• Protection rating: IP20
• Dimensions (H × W × D): 68 × 48 × 56 mm
• Weight: approx. 0.125 kg

Reliable Isolation for Industrial Control Systems

The ABB OT25F4N2 provides dependable manual isolation for industrial electrical systems, allowing equipment to be safely disconnected during servicing and maintenance. Its quick-make, quick-break switching mechanism and compact modular construction make it well suited to modern electrical installations.

Designed in accordance with IEC 60947-3 and UL 508, the OT25F4N2 delivers 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.
• Three-phase plus neutral isolation.
• 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.