Schneider Electric 18669 NG125N Miniature Circuit Breaker 3P D80A, 25kA

The Schneider Electric 18669 is an Acti 9 NG125N 3-pole miniature circuit breaker (MCB) rated at 80 A (at 40 °C) with a D-curve, designed for power distribution on both AC and DC networks in accordance with EN/IEC 60947-2.

• Range: Acti 9 NG125N
• Poles: 3P (3 protected poles)
• Rated current (In): 80 A at 40 °C
• Trip curve: D
• Protection technology: Thermomagnetic
• Network type: AC and DC
• Ultimate breaking capacity (Icu): 50 kA at 220–240 V AC; 25 kA at 380–415 V AC; 20 kA at 440 V AC; 10 kA at 500 V AC; 20 kA at ≤375 V DC (all per EN/IEC 60947-2)
• Rated insulation voltage (Ui): 690 V AC 50/60 Hz per EN/IEC 60947-2
• Rated impulse withstand voltage (Uimp): 8 kV per EN/IEC 60947-2
• Usage category: Category A per IEC 60947-2; suitable for isolation per IEC 60947-2
• Terminal connection: Tunnel terminals 16–70 mm² solid / 10–50 mm² flexible; strip length 20 mm; tightening torque 6 N·m
• Mounting: 35 mm symmetrical DIN rail, click-on system, vertical position
• Dimensions (W × D × H): 81 × 81 × 103 mm; weight 0.72 kg
• Protection rating: IP20 (IEC 60529), IK05 (EN/IEC 62262); operating temperature −30 to +70 °C