ABB OT40FT3 Load Break Switch 3-Pole 40A 690V AC 1SCA104940R1001

ABB OT40FT3 is a 3-pole load break switch rated for 40 A at 690 V AC. It provides reliable switching and isolation for industrial and commercial electrical circuits.

Advantages

High electrical durability of 15000 cycles and mechanical durability of 20000 cycles ensure long service life. Screw terminals accept conductors from 1.5 to 10 mm², simplifying installation.

Suitable for

• Main switch applications in distribution boards
• Motor disconnecting and isolation
• Industrial control panels
• HVAC and pump systems

Key specifications

• Switch type: Load break switch / disconnector
• Number of poles: 3
• Rated operational current: 40 A (AC-21A, 690 V)
• Rated operational voltage: 690 V AC
• Rated insulation voltage: 750 V
• Rated impulse withstand voltage: 8 kV
• Rated short-circuit making capacity: 1.7 kA (690 V)
• Rated short-time withstand current: 1.7 kA for 1 s (690 V)
• Power loss: 2.5 W
• Terminal type: Screw terminals
• Connection capacity: 1.5 - 10 mm²
• Mounting type: Base mounting
• Degree of protection: IP20 (terminals)
• Electrical durability: 15000 cycles
• Mechanical durability: 20000 cycles
• Operating temperature range: -25 to +70 °C
• Storage temperature range: -40 to +70 °C
• Standards: IEC 60947-3

Recommendations

For reliable load switching and isolation in industrial environments, the ABB OT40FT3 offers proven performance and easy installation.