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A9F74440

The Schneider A9F74440 is a miniature circuit breaker (MCB), part of the Schneider A9 range, designed to protect electrical circuits from overload and short-circuit conditions in residential, commercial, and industrial installations.

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Description: Model: A9F74440 Type: Miniature Circuit Breaker (MCB) Poles: 1P (Single-pole) Rated Current: 40 A Rated Voltage: 230 V AC Application: The A9F74440 MCB is used in residential, commercial, and industrial electrical circuits to protect circuits from overload and short-circuit conditions. It is typically used in distribution boards, switchboards, and control panels to ensure safe operation and prevent damage to electrical equipment. Mounting: DIN rail mounted Standards Compliance: IEC 60898-1, UL 489, CE marking Parameters: Rated Current (In): 40 A Number of Poles: 1 (single-pole for protection of a single phase) Rated Voltage (Ue): 230 V AC Breaking Capacity (Icn): 6 kA (at 230 V AC) – The MCB can safely interrupt fault currents up to 6,000 A. Tripping Characteristics: Type C (instantaneous tripping for short-circuits with a delay for overload conditions) Overload Protection: Trips between 5 to 10 times the rated current (for short-circuits). Short-circuit Protection: Instantaneous trip for short-circuit protection. Frequency Range: 50/60 Hz Temperature Range: -5°C to +40°C Mounting Method: DIN rail mounted Connection Type: Screw terminals for easy and secure wiring Mechanical Durability: 20,000 operations Electrical Durability: 10,000 operations Rated Insulation Voltage (Ui): 500 V Rated Impulse Withstand Voltage (Uimp): 4 kV