Schneider 31110 switch disconnector

The Schneider Electric 31110 is the Compact INS400 3-pole switch disconnector rated at 400 A, designed for reliable circuit isolation in industrial power distribution and motor control applications. Operating on AC and DC networks up to 690 V AC at 50/60 Hz, it features a rated insulation voltage of 800 V AC and a rated impulse withstand voltage of 8 kV.

Technical specifications:

• Commercial reference: 31110
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Compact INS
• Product type: Switch disconnector
• Number of poles: 3P
• Rated current: 400 A (AC-22A / AC-23A)
• Rated voltage: 690 V AC 50/60 Hz / 125 V DC
• Rated insulation voltage: 800 V AC 50/60 Hz
• Rated impulse withstand voltage: 8 kV (IEC 60947-3)
• Short-circuit making capacity: 330 kA with protective circuit breaker at 690 V AC / 50 kA standalone
• Short-time withstand current: 20 kA for 1 s / 11.5 kA for 3 s (IEC 60947-3)
• Maximum motor power: 400 kW at 660/690 V AC (AC-23)
• Mechanical endurance: 10,000 cycles
• Electrical endurance: 1,500 cycles at 690 V AC
• Control type: Direct front rotary handle
• Mounting: Fixed - plate or DIN rail
• Connection: Front terminals (top and bottom), 45 mm pitch
• Dimensions (WxHxD): 185 x 205 x 120 mm
• Weight: 4.6 kg
• IP rating: IP40 (IEC 60529)
• IK rating: IK07 (EN 50102)
• Operating temperature: -25...70°C
• Storage temperature: -50...85°C
• Standards: IEC 60947-1, IEC 60947-3
• Certifications: KEMA-KEUR, CCC

Features and benefits:

• Certified for isolation duty per IEC 60947-3 for safe de-energisation of circuits
• Contact position indicator provides clear visual confirmation of open or closed state
• High short-circuit making capacity of 330 kA when combined with a protective circuit breaker
• Compatible with both AC and DC networks at 50/60 Hz across a wide voltage range
• Wide operating temperature range of -25...70°C suited to demanding industrial environments

Applications:

• Main circuit isolation in industrial distribution boards and motor control centres
• Disconnection and isolation of large motors up to 400 kW at 690 V AC
• Power isolation in switchgear panels and manufacturing plant installations
• AC and DC circuit isolation in process plant electrical systems

Compliant with IEC 60947-1 and IEC 60947-3. Part of the Schneider Electric Compact INS range.

Also known as: Schneider 31110, Schneider Electric 31110, Compact INS400 switch disconnector, 400 A 3-pole disconnector.