Acti9 NG125N 2P 40 A C Curve Automatic Circuit Breaker

Miniature automatic circuit breaker from the Acti9 NG125N range, designed to protect electrical circuits in small buildings and small commercial installations. Offers thermal-magnetic protection with C curve, breaking capacity Icu of 25 kA at 380-415 V AC 50/60 Hz, and is compatible with AC networks at 50/60 Hz and rated operating voltages up to 500 V AC and 250 V DC.

Technical Features

• Number of poles: 2P
• Number of protected poles: 2
• Rated current [In]: 40 A at 40 °C
• Network type: AC
• Tripping unit technology: Thermal-magnetic
• Curve code: C
• Breaking capacity [Icu]: 25 kA at 380...415 V AC 50/60 Hz
• Service breaking capacity [Ics]: 37.5 kA (75 % of Icu) at 220...240 V AC 50/60 Hz
• Rated operating voltage [Ue]: 220...240 V AC, 380...415 V AC, 440 V AC, 500 V AC, up to 250 V DC
• Rated insulation voltage [Ui]: 690 V AC 50/60 Hz
• Surge voltage withstand [Uimp]: 8 kV
• Magnetic trip limit: 8 x In
• Use category: Category A according to EN > 50 A
• Switching capability: Yes
• Protection degree: IP20 according to IEC 60529
• IK protection degree: IK05 according to EN/IEC 62263
• Operating ambient temperature: -30…70 °C
• Storage ambient temperature: -40…70 °C
• Relative humidity: 95 % at 55 °C
• Connections: Tunnel-type terminals (1.5…50 mm² rigid, 1…35 mm² flexible)
• Cable stripping length: 20 mm
• Tightening torque: 3.5 N·m
• Position indicator: Yes
• Local indicators: Trip indicator, On/Off indication
• Mounting: Adjustable clip, symmetrical 35 mm DIN rail mounting support
• Lockable: With lock, locking options description: Integrated lock
• Mechanical durability: 20000 cycles
• Electrical durability: 10000 cycles
• Device application: For current > 0.1 A
• Standards: Icu
• Contamination degree: 3
• Overvoltage category: IV
• Tropicalization: 2 according to IEC 60068-1
• Sustainable offering status: Green Premium product
• Compliant with REACh without SVHC: Yes
• EU RoHS Directive: Compliant
• Free of toxic heavy metals: Yes
• Mercury-free: Yes
• China RoHS compliance: Proactive China RoHS declaration
• RoHS exemption information: Yes
• WEEE: Must be disposed of according to specific collection system in the EU