ABB OTOT63G1-4DSN2Plus 63 A 4-Pole Switch-Disconnector, Frame G1

In industrial and commercial electrical installations, safely isolating circuits for maintenance or emergency shutdown is critical. The ABB OTOT63G1-4DSN2Plus switch-disconnector provides a robust solution for making and breaking electrical circuits under load, ensuring reliable isolation with a rated operational current of 63 A and four poles. Its compact frame size G1 and versatile mounting options make it suitable for a wide range of panel and machine applications.

Who is it for

This switch-disconnector is ideal for panel builders, electrical contractors, and maintenance professionals who need a dependable device for switching and isolating power in distribution boards, motor control centers, and industrial machinery. It is particularly suited for applications requiring frequent operation and high electrical endurance.

Main features

• Rated operational current of 63 A with 4 poles for three-phase plus neutral or four-wire circuits.
• High rated operational voltage up to 690 V AC, suitable for demanding industrial environments.
• Compact frame size G1 saves space in enclosures while maintaining performance.
• DIN rail or base mounting for flexible installation.
• Screw terminals accept conductors from 1.5 to 35 mm², accommodating a wide range of wiring.
• Excellent durability: 20,000 mechanical operations and 5,000 electrical operations.
• Complies with IEC 60947-3 for safety and reliability.

Specifications

• Product type: Switch-disconnector
• Rated operational current (Ie): 63 A
• Number of poles: 4
• Rated operational voltage (Ue): 690 V AC
• Rated insulation voltage (Ui): 750 V
• Rated impulse withstand voltage (Uimp): 8 kV
• Degree of protection: IP20 (terminals)
• Short-circuit withstand current (Icw): 1 kA (1s)
• Short-circuit making capacity (Icm): 2 kA
• Mechanical durability: 20,000 cycles
• Electrical durability: 5,000 cycles
• Terminal type: Screw terminals
• Terminal capacity: 1.5 - 35 mm²
• Operating temperature: -25 to +70 °C
• Standards: IEC 60947-3
• Operating mechanism: Front operated (handle not included)
• Auxiliary contacts: Not included (optional)

Tips

For complete functionality, order the appropriate front handle and optional auxiliary contacts separately. Ensure proper torque on screw terminals to maintain reliable connections and prevent overheating. Mount the device in an enclosure that provides adequate protection against dust and moisture, as the IP20 rating applies only to terminals.