ABB OT160G03K Switch-Disconnector 3-Pole 160A 750V AC/1000V DC Base Mounting 1SCA138208R1001

Industrial electricians and panel builders use the ABB OT160G03K switch-disconnector to safely isolate three-phase power circuits up to 160 A. The front-operated mechanism allows manual switching under load, making it suitable for machine control panels, distribution boards, and motor disconnectors.

Key specifications

• 3-pole switch-disconnector (load break switch)
• Rated operational current: 160 A (AC-21A, AC-22A, AC-23A)
• Rated operational voltage: 750 V AC / 1000 V DC
• Rated insulation voltage: 1000 V
• Rated impulse withstand voltage: 8 kV
• Rated short-circuit withstand current: 4 kA (1 s)
• Rated short-circuit making capacity: 10 kA (0.05 s)
• Base mounting, front operated (handle and shaft ordered separately)
• Screw terminals for main circuit: 1.5 - 70 mm²
• Degree of protection (terminals): IP20
• Electrical durability: 2000 cycles; mechanical durability: 20000 cycles
• Power loss: 10 W at rated operational current
• Ambient operating temperature: -25 to +70 °C

Why choose it

This switch-disconnector offers reliable isolation and load breaking in a compact, base-mounted design. Its high voltage ratings and robust short-circuit withstand make it a dependable choice for demanding industrial environments.

Ideal use cases

• Main switch for industrial control panels
• Motor disconnecting means
• Distribution board isolation
• Machine power supply switching

Good to know

The device is unfused and does not include auxiliary contacts; these can be added as optional accessories. The operating handle and shaft are ordered separately. Complies with IEC 60947-3.