ABB ot40f3 isolator 40a load break switch 3 pole

Why Choose the ABB OT40F3 Switch Disconnector?

The ABB OT40F3 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 provides reliable manual switching for non-fusible disconnect applications.

Designed for front operation, the OT40F3 supports both base mounting and DIN rail installation, making it an excellent choice for panel builders, machine manufacturers and electrical engineers. Its protected clamp terminals provide secure wiring, while the compact construction helps maximise valuable enclosure space.

With a rated operational current of 40 A and a 3-pole configuration, the OT40F3 is ideal for isolating three-phase circuits in industrial machinery, switchboards, motor control centres and automation systems. The operating handle and shaft are supplied separately, allowing the correct accessories to be selected for each installation.

Key Advantages

• Compact 3-pole switch disconnector for industrial isolation.
• 40 A rated operational current for demanding applications.
• Front operated design for flexible installation.
• Base mounted and DIN rail mountable.
• Protected clamp terminals provide secure electrical connections.
• Part of the trusted ABB OT switch disconnector family.

Key Features

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

Technical Specifications

• Manufacturer: ABB
• Series: OT Switch Disconnectors
• Model: OT40F3
• Product ID: 1SCA104902R1001
• EAN: 6417019390451
• Product type: Switch disconnector / non-fusible disconnect switch
• Number of poles: 3 pole
• Rated operational current: 40 A
• Rated operational voltage: 750 V AC
• Rated insulation voltage: 750 V
• Rated impulse withstand voltage: 8 kV
• Conventional thermal current: 40 A
• Operation: Front operated
• Mounting type: Base mounted / DIN rail mountable
• Terminal type: Screw terminals with protected clamps
• Protection rating: IP20
• Dimensions (H × W × D): 68 × 35 × 56 mm
• Weight: approx. 0.09 kg

Reliable Isolation for Industrial Electrical Systems

The ABB OT40F3 provides dependable manual isolation for industrial electrical installations, allowing equipment to be safely disconnected during maintenance, servicing and commissioning. Its quick-make, quick-break mechanism delivers reliable switching performance while helping protect personnel and equipment.

Its compact design and flexible mounting options make the OT40F3 suitable for a wide variety of industrial control applications where dependable isolation and long service life are essential.

Typical Applications

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

Trusted by Panel Builders Worldwide

ABB OT switch disconnectors are trusted by panel builders, OEM machine manufacturers and electrical engineers worldwide for dependable circuit isolation, compact installation and long-term reliability.