Description: Model: A9N18104 Type: MCB (Miniature Circuit Breaker) Poles: 1 (Single-pole, suitable for single-phase systems) Rated Current: 4 A Rated Voltage: 230 V AC Tripping Characteristics: Type B (for light overload protection and short-circuit protection) Usage: Designed for the protection of circuits in buildings, particularly for lighting, power outlets, and small appliances in residential and commercial installations. Mounting: DIN Rail mounted Application: Ideal for residential and light commercial applications to protect circuits against overloads and short circuits. Standards Compliance: IEC 60898-1, UL 1077 Parameters: Rated Current (In): 4 A Number of Poles: 1 (for single-phase systems) Rated Voltage (Ue): 230 V AC Tripping Characteristic: Type B (low trip thresholds for residential applications) Breaking Capacity (Icn): 6 kA (at 230 V AC) Protection Type: Overload, short-circuit, and earth fault protection Frequency: 50/60 Hz Rated Impulse Withstand Voltage (Uimp): 4 kV Mechanical Durability: 20,000 cycles Electrical Durability: 10,000 cycles Auxiliary Contact Options: Available for signaling (NO or NC) Operating Temperature Range: -25°C to +60°C Device Type: Thermal-magnetic, providing both overload and short-circuit protection