Acti9 NG125N 4P 80 A D Curve Automatic Circuit Breaker

Miniature automatic circuit breaker from the Acti9 NG125 range, designed to protect electrical circuits in small industrial and commercial installations. Features 4 protected poles and a rated current of 80 A at 40 °C, with a D trip curve to withstand current surges during motor starting. Its thermal-magnetic technology ensures safe disconnection in case of overloads and short circuits.

Technical Features

• Number of poles: 4P
• Number of protected poles: 4
• Rated current [In]: 80 A at 40 °C
• Supply type: AC
• Trip curve: D
• Breaking capacity [Icu]: 25 kA at 380...415 V AC 50/60 Hz
• Service breaking capacity [Ics]: 18.75 kA at 75 % of Icu - 380...415 V AC 50/60 Hz
• Rated operational voltage [Ue]: 220...240 V AC 50/60 Hz, 380...415 V AC 50/60 Hz, 440 V AC 50/60 Hz, 500 V AC 50/60 Hz
• Rated insulation voltage [Ui]: 690 V AC 50/60 Hz
• Surge voltage withstand [Uimp]: 8 kV in accordance with Icu
• Magnetic trip limit: 12 x In
• Usage category: Category A in accordance with EN > 50 A
• Switching capability: Yes in accordance with EN > 50 A
• Supply frequency: 50/60 Hz
• Contact position indicator: Yes
• Local indicators: On/Off indication, Trip indicator
• Mounting: Clip-adjustable
• Mounting support: Symmetrical 35 mm DIN rail
• Step size: 9 mm
• Height: 103 mm
• Width: 108 mm
• Depth: 81 mm
• Weight: 0.96 kg
• Mechanical durability: 20000 cycles
• Electrical durability: 5000 cycles
• Lockable: With lock
• Locking description: Integrated lock
• Connections: Tunnel-type terminals 16…70 mm² rigid, 10…50 mm² flexible
• Stripping length: 20 mm
• Tightening torque: 6 N·m
• Earth leakage protection: Independent blocking
• Protection degree IP: IP20 in accordance with Actuate/Deactivate Ig
• Impact protection degree IK: IK05 in accordance with EN/IEC 62263
• Contamination degree: 3 in accordance with EN > 50 A
• Overvoltage category: IV
• Tropicalization: 2 in accordance with IEC 60068-1
• Relative humidity: 95 % at 55 °C
• Operating ambient temperature: -30…70 °C
• Storage ambient temperature: -40…70 °C
• Standards: Icu
• 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 exemptions: Yes
• China RoHS regulation: Proactive China RoHS declaration (outside legal RoHS China scope)
• WEEE: In the European Union market, the product must be disposed of according to a specific waste collection system and must never end up in a regular trash container