Interpact INS400 4-pole isolator switch

4-pole Interpact Interpact INS400 switch, designed for the safe disconnection of electrical circuits in industrial and commercial installations. Compatible with AC and DC, it offers high performance under demanding operating conditions. Its robust construction and quality certifications guarantee reliability in environments with a high degree of pollution.

Technical characteristics

• Number of poles: 4P
• Network type: Continuous current AC
• Network frequency: 50/60 Hz
• Nominal current of employment: 400 A
• Nominal insulation voltage: 750 V AC 50/60 Hz
• Voltage peak resistance: 8 kV
• Conventional thermal current: 400 A at 60 °C
• Rated short circuit capacity: 330 kA with automatic upstream switch, 50 kA single switch-selector
• Nominal operating voltage: 250 V DC current, 690 V AC 50/60 Hz
• Sewing power: Yes
• Contact position indicator: Yes
• Visible cut: No
• Degree of contamination: 3
• Type of control: Rotary Command
• Handle colour: Black
• Type of assembly: Fixed
• Mounting bracket: Rail Plate
• Top connection: Front
• Connection down: Front
• Maximum power: 110 kW in 220/240 V AC, 200 kW in 380/415 V AC, 220 kW in 440/480 V AC, 250 kW in 500/525 V AC, 400 kW in 660/690 V AC
• Nominal service Uninterrupted
• Permissible temporal current: 11.5 kA (3 s), 20 kA (1 s), 4 kA (30 s), 4.9 kA (20 s)
• Mechanical durability: 10000 cycles
• Electrical durability: 1500 cycles (AC-22A, AC-23A), 1000 cycles (DC-23A)
• Connection step: 45 mm
• Height: 205 mm
• Width: 185 mm
• Depth: 130 mm
• Weight: 4.9 kg
• Compatibility code: INS400
• Standards: En> 40 A Instant and demand values
• Certifications: KEMA-KEUR, CCC
• Degree of IP protection: IP40
• Level of protection IK: IK07
• Operating ambient temperature: -25...70 °C
• Storage ambient temperature: -50...85 °C
• Sustainable supply status: Product Green Premium
• EU RoHS Directive: As per
• No mercury: Yes
• WEEE: To be discarded by specific system in the EU