ComPacT NSX160N 4P4R 160A Micrologic 4.2 Automatic Circuit Breaker

New generation ComPacT range automatic ground leak protection switch, designed for applications with current exceeding 0.1 A. Compatible with 50/60 Hz AC systems, it offers comprehensive protection in industrial and commercial electrical installations. It incorporates Micrologic 4.2 AB control unit with LSoIR functions and integrated protection against Class A ground leaks.

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]: 440 V AC 50/60 Hz
• Network type: AC
• Network frequency: 50/60 Hz
• Icu cutting capacity: 50 kA in 440 V AC 50/60 Hz
• Power of cutting in service [Ics]: 50 kA in 440 V AC 50/60 Hz
• Control unit: Micrologic 4.2 AB
• Fire unit technology: Electronic
• Protection functions: LSoIR, ground escape protection
• Type of ground leak protection: Class A
• Residual current sensitivity adjustment: Adjustable (30 mA, 100 mA, 300 mA, 500 mA, 1 A, 3 A, 5 A)
• Differential shooting delay: Adjustable (0 ms, 60 ms, 150 ms, 500 ms, 1 s)
• Thermal memory: 20 minutes before and after shooting
• Long-term detection adjustment interval Ir: 63...160 A
• Fixed long duration delay: 400 s at 1.5 x Ir, 16 s at 6 x Ir, 11 s at 7.2 x Ir
• Fixed short-term delay: 0.02 s
• Short detection interval Isd: 1.5...10 x Ir
• Instant adjustment details: Fixed, 2400 A
• Mechanical durability: 40000 cycles
• Electrical durability: 40000 cycles in 440 V In/2
• Degree of IP protection: IP40
• Level of protection IK: IK07
• Operating ambient temperature: -25...70 °C
• Maximum operating altitude: 0...2000 m without decrease
• Top connection: Front
• Connection down: Front
• Connection step: 35 mm
• Mounting bracket: Rear plate
• Mounting position: Horizontal and vertical (plano por la parte posterior)
• Weight: 2.6 kg
• Compatibility code: NSX160
• Standards: HB2
• Certifications: CCC Marine Generator
• EU RoHS Directive: As per
• Contains SVCH over threshold (REACH)