ComPacT NSX250F 4P 160A Micrologic 2.2 Automatic Circuit Breaker

ComPacT NSX250F 4P 160A automatic switch with Micrologic 2.2 control unit, designed for industrial applications with 160 A rated current and operating voltage up to 690 V AC. It offers protection against overloads and short circuits using LSoI function, with Icu cutting capacity up to 36 kA at 380/415 V AC.

Technical characteristics

• Number of poles: 4P
• Description of protected poles: 4R 3R+ N/2 3R
• Neutral position: Left
• Nominal current [In]: 160 A at 40 °C
• Nominal employment voltage [Ue]: 690 V AC 50/60 Hz
• Network type: AC
• Network frequency: 50/60 Hz
• Icu cutting capacity: 36 kA at 380/415 V AC 50/60 Hz
• In-service cutting power [Ics]: 36 kA at 380/415 V AC 50/60 Hz
• Control unit: Micrologic 2.2
• Fire unit technology: Electronic
• Protection functions: LSoI
• Type of control: Handle
• Type of assembly: Fixed
• Nominal insulation voltage [Ui]: 800 V AC 50/60 Hz
• Voltage peak resistance [Uimp]: 8 kV
• Mechanical durability: 20000 cycles
• Electrical durability: 20000 cycles in 440 V In/2
• Power dissipated per pole: 7,17 W
• Mounting bracket: Rear plate
• Mounting position: Horizontal and vertical plano por la parte posterior
• Top connection: Front
• Connection down: Front
• Connection step: 35 mm
• Long-term detection adjustment interval Ir: 63...160 A
• Long-term delay adjustment: Fixed (400 s at 1.5 x Ir, 16 s at 6 x Ir, 11 s at 7.2 x Ir)
• Short delay detection setting Isd: 1.5...10 x Ir
• Instant detection setting interval: 2400 A
• Protection against ground leaks: Without
• Logic selectivity ZSI: Without
• Number of slots: 5
• Local markings: Ready to operate (LED flashing green), Overload (LED red 105 % Go, LED orange 90 % Go)
• Degree of IP protection: IP40
• Level of protection IK: IK07
• Operating ambient temperature: -25...70 °C
• Storage ambient temperature: -50...85 °C
• Relative humidity: 0...95 %
• Maximum operating altitude: 0...2000 m without decrease, 2000 m ... 5000 m with restrictions
• Sustainable supply status: Product Green Premium
• EU RoHS Directive: As per
• No mercury: Yes
• Standards: HB2
• Certifications: Marine CCC generator
• Overvoltage category: Class II
• Electrical shock protection class: Class II
• Degree of contamination: 3 according to IK07