ABB ot40ft3 40 amp door mounted isolator 3 pole

Why Choose the ABB OT40FT3 Switch Disconnector?

The ABB OT40FT3 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.

This front-operated switch disconnector is designed for door mounted installation, making it ideal for control panels where external operation from the enclosure door is required. Its protected clamp terminals support secure wiring, while the compact construction helps save space inside electrical cabinets.

With a rated operational current of 40 A and a 3-pole configuration, the OT40FT3 is suitable for isolating three-phase circuits in machinery, automation systems, motor control panels and industrial distribution equipment. The handle is not included, allowing the correct operating accessory to be selected separately.

Key Advantages

• Compact 3-pole switch disconnector for industrial isolation.
• 40 A rated operational current for control panel applications.
• Door mounted design for external operation from an enclosure door.
• Front operated mechanism for straightforward manual switching.
• Protected clamp terminals support safe and secure wiring.
• Part of the proven 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.
• Door mounted design for control panel installation.
• Protected clamp terminals for improved connection safety.
• Suitable for three-phase circuit isolation.
• Handle is not included.

Technical Specifications

• Manufacturer: ABB
• Series: OT Switch Disconnectors
• Model: OT40FT3
• Product ID: 1SCA104940R1001
• EAN: 6417019390802
• Product type: Switch disconnector / non-fusible disconnect switch
• Number of poles: 3 pole
• Rated operational current: 40 A
• Rated operational voltage: Up to 750 V AC
• UL voltage rating: 600 V AC
• Rated insulation voltage: 750 V
• Rated impulse withstand voltage: 8 kV
• Operation: Front operated
• Mounting type: Door mounted
• Terminal type: Protected clamp terminals
• Protection rating: IP20
• Dimensions (H × W × D): 54 × 43 × 52 mm

Reliable Door Mounted Isolation for Control Panels

Switch disconnectors such as the ABB OT40FT3 are used to isolate electrical circuits safely during maintenance, servicing and equipment shutdown. They provide a clear mechanical switching function, helping improve safety and control within industrial electrical systems.

The OT40FT3 is particularly suited to panel building and machinery applications where compact size, dependable operation and external door operation are required. Its 3-pole configuration makes it suitable for isolating three-phase circuits in industrial and commercial installations.

Typical Applications

• Industrial control panels and electrical cabinets.
• Door mounted machinery isolation.
• Three-phase circuit isolation.
• Motor control panels and distribution boards.
• Automation systems and OEM equipment.
• Maintenance switching and safe disconnection.

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.