Acti9 NG125L 2P 50 A D Curve Automatic Circuit Breaker

Miniature automatic circuit breaker from the Acti9 NG125 range, designed to protect electrical circuits in installations in small buildings and small businesses. Offers thermal and magnetic protection with D curve, suitable for loads with high inrush current peaks. Mounting on 35 mm DIN rail, with clip adjustment and integrated lock.

Technical Features

• Number of poles: 2P
• Number of protected poles: 2
• Neutral position: Left
• Rated current [In]: 50 A at 40 °C
• Network type: AC
• Tripping unit technology: Thermal-magnetic
• Curve code: D
• Breaking capacity code: L
• Breaking capacity [Icu]: 100 kA at 220...240 V AC 50/60 Hz, 40 kA at 440 V AC 50/60 Hz, 50 kA at 380...415 V AC 50/60 Hz, 15 kA at 500 V AC 50/60 Hz, 36 kA at ≤ 250 V DC
• Service breaking capacity [Ics]: 75 kA (75 %) at 220...240 V AC 50/60 Hz, 37,5 kA (75 %) at 380...415 V AC 50/60 Hz, 30 kA (75 %) at 440 V AC 50/60 Hz, 11,25 kA (75 %) at 500 V AC 50/60 Hz, 50 kA (100 %) at ≤ 250 V DC
• Rated operating 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, ≤ 250 V DC
• Rated insulation voltage [Ui]: 690 V AC 50/60 Hz
• Surge voltage withstand [Uimp]: 8 kV
• Magnetic trip threshold: 12 x In ± 20 %
• Usage category: A according to EN > 50 A
• Switching capacity: Yes according to EN > 50 A
• Supply frequency: 50/60 Hz
• Position indicator: Yes
• Local indicators: Trip indicator, On/Off indication
• Control type: Manual trip test, Handle
• Mounting support: Symmetrical 35 mm DIN rail
• Mounting type: Clip-adjustable
• Steps of 9 mm: 6
• Height: 103 mm
• Width: 54 mm
• Depth: 81 mm
• Product weight: 0.48 kg
• Mechanical durability: 20000 cycles
• Electrical durability: 10000 cycles
• Lockable: With lock
• Locking options description: Integrated lock
• Connections - terminals: Tunnel-type terminals 1.5…50 mm² rigid, 1…35 mm² flexible
• Stripping length for terminal connection: 20 mm
• Torque: 3.5 N·m
• Earth leakage protection: Independent lock
• Compatibility code: NG125
• Protection degree IP: IP20 according to EN/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
• Maximum operating altitude: 2000 m
• 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 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 general waste container