Schneider 28900 switch disconnector

The Schneider Electric 28900 is a 3-pole Compact INS40 switch disconnector rated at 40 A, designed for isolation and switching of AC and DC circuits. It provides safe electrical isolation with contact position indication and suits applications requiring reliable load disconnection. The device operates across a wide voltage range up to 500 V AC and 125 V DC.

Technical specifications:

• Commercial reference: 28900
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Compact INS
• Product group: Compact
• Product type: Switch disconnector
• Number of poles: 3P
• Network type: AC / DC
• Network frequency: 50/60 Hz
• Rated current (AC-22A): 40 A at 220/240 V, 380/415 V, 440/480 V, 500 V AC 50/60 Hz
• Rated current (AC-23A): 40 A at 220/240 V, 380/415 V, 440/480 V AC; 32 A at 500 V AC
• Rated current (DC-22A/DC-23A): 40 A at 125 V DC (2 poles in series)
• Rated insulation voltage [Ui]: 690 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 8 kV
• Thermal current [Ith]: 40 A at 60°C
• Rated short-circuit making capacity [Icm]: 15 kA (standalone) / 75 kA (with protective breaker) at 500 V AC 50/60 Hz
• Rated short-time withstand current [Icw]: 3 kA for 1 s / 1.73 kA for 3 s / 0.67 kA for 20 s / 0.55 kA for 30 s per IEC 60947-3
• Rated voltage [Ue]: 500 V AC 50/60 Hz / 125 V DC
• Maximum power (AC-23): 22 kW at 440 V / 20 kW at 380/415 V / 18.5 kW at 500/525 V / 11 kW at 220/240 V AC
• Cable cross-section: 1.5 - 50 mm²
• Mechanical endurance: 20,000 cycles
• Electrical endurance: 1,500 cycles (AC-22A and AC-23A across all voltages)
• Control type: Rotary handle
• Handle colour: Black
• Mounting: Fixed
• Mounting support: DIN rail / panel
• Terminal connection (top/bottom): Front
• Width: 90 mm
• Height: 85 mm
• Depth: 62.5 mm
• Weight: 0.5 kg
• IP protection: IP40 per IEC 60529
• IK protection: IK07 per EN 50102
• Operating temperature: -25 to 70°C
• Storage temperature: -50 to 85°C
• Pollution degree: 3
• Certifications: KEMA-KEUR, CCC
• Standards: IEC 60947-1, IEC 60947-3
• Warranty: 18 months

Features and benefits:

• Contact position indicator provides clear visual confirmation of open or closed state
• Suitable for isolation duty, enabling safe maintenance disconnection of circuits
• Compatible with both AC and DC networks for versatile panel integration
• High short-circuit making capacity of 75 kA when used with a protective circuit breaker
• Wide operating temperature range (-25 to 70°C) supports harsh industrial environments
• DIN rail and panel mounting options allow flexible installation in enclosures

Applications:

• Industrial control panels requiring safe isolation of motor or load circuits up to 40 A
• Main or sub-distribution boards in commercial and light industrial installations
• Machine building applications where visible disconnection and load switching are required
• DC circuit isolation in photovoltaic or battery-backed systems at 125 V DC
• Switchgear assemblies requiring IEC 60947-3 compliant disconnector devices

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

Also known as: Schneider 28900, Schneider Electric 28900, Compact INS40 switch disconnector, 40 A 3-pole disconnector.