Technical details of the product: Manufacturer: ABB Model designation: F204 A-40/0.03 Order number (item no.): 2CSF204101R1400 Number of poles: 4-pole (for three-phase networks with a neutral conductor) Rated current: 40 A Rated fault current (Δn): 30 mA (0.03 A) – ideal for personal safety, property protection and fire safety in both domestic and commercial settings. Type: Type A (detects both purely sinusoidal alternating currents and pulsating direct-current fault currents). Mounting type: Suitable for mounting on a standard DIN top-hat rail (35 mm).