Acti9 NG125N 4P 100 A D Curve Automatic Circuit Breaker

Miniature automatic circuit breaker Acti9 NG125N, 4 poles, designed to protect electrical circuits in small industrial and commercial installations. Its thermal-magnetic technology enables rapid disconnection in case of overloads and short circuits, ensuring safety in environments with current above 0.1 A.

Technical Features

• Number of poles: 4P
• Number of protected poles: 4
• Rated current [In]: 100 A at 40 °C
• Network type: AC
• Tripping unit technology: Thermal-magnetic
• Curve code: D
• Breaking capacity [Icu]: 25 kA at 380...415 V AC 50/60 Hz, 20 kA at 500 V AC 50/60 Hz, 50 kA at 220...240 V AC 50/60 Hz
• Service breaking capacity [Ics]: 37.5 kA (75 % of Icu) at 220...240 V AC, 18.75 kA (75 % of Icu) at 380...415 V AC, 15 kA (75 % of Icu) at 440 V AC, 7.5 kA (75 % of Icu) at 500 V AC, 20 kA (100 % of Icu) at ≤ 500 V DC
• Rated operating voltage [Ue]: 220...240 V, 380...415 V, 440 V, 500 V AC 50/60 Hz
• Rated insulation voltage [Ui]: 690 V AC 50/60 Hz
• Surge voltage withstand [Uimp]: 8 kV
• Magnetic trip limit: 12 x In
• Usage category: A according to EN > 50 A
• Switching capability: Yes according to EN > 50 A
• Position indicator: Yes
• Local indicators: On/off indication, trip indicator
• Mounting support: Symmetrical 35 mm DIN rail
• Mounting type: Clip-adjustable
• Connections: Tunnel-type terminals (16…70 mm² rigid, 10…50 mm² flexible)
• Stripping length: 20 mm
• Tightening torque: 6 N·m
• Lockable: With lock
• Locking options description: Integrated lock
• Earth leakage protection: Independent lock
• Mechanical durability: 20 000 cycles
• Electrical durability: 5 000 cycles
• Protection degree IP: IP20 according to IEC 60529
• Impact protection degree IK: IK05 according to EN/IEC 62263
• Contamination degree: 3 according to EN > 50 A
• Overvoltage category: IV
• Tropicalization: 2 according to IEC 60068-1
• Relative humidity: 95 % at 55 °C
• Operating ambient temperature: -30…70 °C
• Storage ambient temperature: -40…70 °C
• Weight: 0.96 kg
• Standards: Icu
• Market segment: Small businesses, small buildings
• 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
• RoHS exemption information: Yes
• China RoHS regulation: Proactive China RoHS declaration (outside legal scope of China RoHS)
• WEEE: In the European Union market, the product must be disposed of according to a specific waste collection system and never end up in a regular trash container