ABB OTOT63G1-4BSN2Plus 63 A 4-Pole Switch-Disconnector, Frame G1, IP65 Front

With an 8 kV impulse withstand and 1000 V insulation rating, the ABB OTOT63G1-4BSN2Plus delivers exceptional isolation performance in demanding power distribution environments. Rated for 63 A at 690 V AC, this 4-pole switch-disconnector handles motor and mixed loads with AC-23A capability, ensuring safe on-load switching.

Overview

Part of ABB's OT series, this switch-disconnector provides dependable making and breaking capacity for industrial and commercial applications. Its compact G1 frame mounts flexibly on DIN rail or base plate, simplifying panel integration. The direct-mounted black handle offers clear ON/OFF indication and supports padlocking in the OFF position for lockout/tagout safety.

What stands out

• High 63 A AC-23A rating for motor and mixed load switching
• IP65 front protection with handle ensures resistance to dust and water jets
• Large screw terminals accept conductors up to 35 mm² solid or stranded
• Mechanical endurance of 20,000 operations for long service life
• Complies with IEC 60947-3 for switch-disconnectors

Technical details

• Rated operational voltage: 690 V AC
• Rated insulation voltage: 1000 V
• Rated impulse withstand voltage: 8 kV
• Rated short-time withstand current: 1 kA for 1 s
• Terminal capacity: 1.5–35 mm² solid/stranded, 1.5–25 mm² fine-stranded
• Electrical durability: 1,500 cycles
• Mechanical durability: 20,000 cycles
• Mounting: DIN rail or base mounting
• Terminal protection: IP20; front with handle: IP65

Our verdict

A reliable and versatile switch-disconnector that combines high performance with robust protection, ideal for demanding isolation and switching tasks.