Acti9 NG125N 3P 20 A C Curve Automatic Switch

Miniature circuit breaker, model Acti9 NG125N, designed for electrical circuit protection in industrial and commercial installations.

Technical Features

• Number of poles: 3P
• Number of protected poles: 3
• Rated current [In]: 20 A at 40 °C
• Network type: AC Direct current
• Tripping curve: C
• Breaking capacity Icu: 20 kA (500 V AC), 25 kA (380–415 V AC), 50 kA (220–240 V AC)
• Service breaking capacity [Ics]: 37.5 kA (220–240 V AC), 18.75 kA (380–415 V AC), 15 kA (440 V AC), 7.5 kA (500 V AC), 20 kA (≤375 V DC)
• Rated operating voltage [Ue]: 220–240 V AC, 380–415 V AC, 440 V AC, 500 V AC
• Rated insulation voltage [Ui]: 690 V AC
• Surge voltage withstand [Uimp]: 8 kV
• Supply frequency: 50/60 Hz
• Contact position indicator: Yes
• Local indicators: Trip indicator, on/off indication
• Mounting: Adjustable clip, symmetrical DIN 35 mm rail mounting support
• Connections: Tunnel-type terminals (1.5–50 mm² rigid, 1–35 mm² flexible)
• Stripping length: 20 mm
• Tightening torque: 3.5 N·m
• Lockable: With integrated lock
• Mechanical durability: 20 000 cycles
• Electrical durability: 10 000 cycles
• Protection degree IP: IP20
• Impact protection degree IK: IK05
• Pollution degree: 3
• Overvoltage category: IV
• Tropicalization: 2
• Operating ambient temperature: -30 °C to 70 °C
• Storage ambient temperature: -40 °C to 70 °C
• Weight: 0.72 kg
• Standards: Icu
• Compliant with EU RoHS, REACh without SVHC, mercury-free, free from toxic heavy metals