ComPacT NSX250F 4P4R 160A TMD Automatic Circuit Breaker

ComPacT NSX250F 4P4R 160A TMD automatic circuit breaker, designed for industrial applications with current above 0.1 A. Part of the new generation ComPacT range, featuring thermal-magnetic TM-D technology, provides protection against overloads and short circuits in three-phase electrical installations. Suitable for nominal operating voltages up to 690 V AC, with breaking capacity of 36 kA at 380/415 V AC and 8 kA at 660/690 V AC.

Technical Features

• Number of poles: 4P
• Description of protected poles: 4R
• Neutral position: Left
• Rated current [In]: 160 A at 40 °C
• Rated operating voltage [Ue]: 690 V AC 50/60 Hz
• Network type: AC
• Supply frequency: 50/60 Hz
• Switching capacity: Yes, according to Icu
• Application category: A
• Breaking capacity Icu: 36 kA at 380/415 V AC
• Service breaking capacity [Ics]: 36 kA at 380/415 V AC
• Control unit: TM-D
• Tripping unit technology: Thermal-magnetic
• Protection functions: LIG
• Control type: Handle
• Mounting type: Fixed
• Rated insulation voltage [Ui]: 800 V AC 50/60 Hz
• Surge voltage withstand [Uimp]: 8 kV
• Mechanical durability: 20 000 cycles
• Electrical durability: 20 000 cycles at 440 V In/2
• Power dissipated per pole: 11.78 W
• Mounting support: Rear plate
• Mounting position: Horizontal and vertical (plano por la parte posterior)
• Top connection: Front
• Bottom connection: Front part
• Connection pitch: 35 mm
• Protection type: Overload (thermal), short circuit (magnetic)
• Tripping unit rating: 160 A at 40 °C
• Long-term detection setting Ir: Adjustable, range 0.7...1 x In
• Long-time delay: Fixed, 120…400 s at 1.5 x In, 15 s at 6 x Ir
• Neutral protection setting: 1 x Ir - cable type: 4R
• Instantaneous detection Ii: Fixed, range 1.250 A
• Earth leakage protection: No
• Number of slots: 5
• Dimensions: Width 140 mm, height 161 mm, depth 86 mm
• Weight: 2.8 kg
• Compatibility code: NSX250
• Standards: HB2
• Certifications: Marine CCC generator
• Overvoltage category: Class II
• Electrical shock protection class: Class II
• Contamination degree: 3 according to IK07
• Protection degree IP: IP40 according to IEC 60529
• Protection degree IK: IK07 according to IEC 62262
• Operating ambient temperature: -25…70 °C
• Storage ambient temperature: -50…85 °C
• Relative humidity: 0…95 %
• Maximum operating altitude: 0…2000 m without derating, 2000…5000 m with restrictions
• Sustainable offering status: Green Premium product
• REACH Regulation: Contains SVHC above threshold
• EU RoHS Directive: Compliant
• Mercury-free: Yes
• RoHS exemptions: Yes
• China RoHS regulation: Outside China RoHS scope. Substance information declaration
• PVC-free: Yes