The Schneider Electric Acti9 C120H A9N19819 is a 4-pole miniature circuit breaker (MCB) designed for reliable protection of low-voltage electrical distribution circuits.
Specifications
Parameter Specification
Manufacturer Schneider Electric
Series / Range Acti9 C120H
Model / Part No. A9N19819
Product Type Miniature Circuit Breaker (MCB)
Poles 4P (4 protected poles)
Rated Current (In) 100 A
Trip Curve / Characteristic C-curve (thermal-magnetic)
Rated Operational Voltage (Ue) AC 400 V (typical low-voltage distribution)
Network Type Alternating Current (AC)
Rated Insulation Voltage (Ui) ~500 V AC
Rated Impulse Withstand (Uimp) ~6 kV (typical for IEC standards)
Breaking Capacity (Icu) 20 kA @ 230–240 V AC per IEC/EN (typical)
Rated Short-Circuit Breaking Capacity (Icn) 10 kA @ 400 V AC
Frequency 50/60 Hz
Trip Technology Thermal-magnetic (overload + short-circuit)
Mounting DIN-rail (35 mm)
Protection Degree IP20 (terminals/enclosure)
Standards EN IEC 60898-1 / IEC 60947-2 (typical)
Application Circuit protection for distribution boards, panels, and equipment