ABB OTOT16G1-4MSN2Plus 4-Pole Switch-Disconnector 16 A Front Mount

With an 8 kV rated impulse withstand voltage and a 1 kA short-circuit withstand current, this ABB switch-disconnector delivers robust circuit isolation for industrial power distribution. The OTOT16G1-4MSN2Plus combines a 16 A rated operational current with a compact G1 frame, making it a dependable choice for demanding electrical installations.

Overview

The ABB OTOT16G1-4MSN2Plus is a 4-pole switch-disconnector engineered for safe load breaking and isolation in low-voltage systems. It features a direct mounted handle for straightforward manual operation and front mounting for easy integration into panels and enclosures. The device meets IEC 60947-3 standards, ensuring compliance with international safety and performance requirements.

What stands out

• High electrical endurance of 10,000 cycles and mechanical endurance of 20,000 cycles for long service life.
• Front protection degree IP65 protects against dust and water jets, while terminals are IP20 rated.
• Wide terminal capacity from 1.5 to 6 mm² accommodates various conductor sizes.
• Low power loss of 0.3 W per pole contributes to energy efficiency.

Technical details

• Rated operational voltage: 690 V AC
• Rated insulation voltage: 750 V
• Rated short-circuit making capacity: 1.7 kA
• Mounting type: front mounting
• Handle type: direct mounted handle
• Terminal type: screw terminals
• Frame size: G1

Our verdict

For reliable isolation and switching in industrial environments, the ABB OTOT16G1-4MSN2Plus offers a proven combination of safety, durability, and ease of installation.