The Schneider A9F18220 is a residual current circuit breaker (RCCB) from Schneider Electric’s Acti9 series, designed to protect electrical circuits against earth leakage currents.
Key Features:
Rated Current: 20A
Poles: 2P (Two-Pole)
Rated Voltage: 230/400V AC
Residual Current Type: Type A (detects both AC and pulsating DC leakage currents)
Breaking Capacity: 6kA (at 230V AC)
Mounting: DIN rail mounting (35mm)
Protection: Earth leakage protection against AC and DC fault currents
Standards Compliance: IEC 61008-1, IEC 60947-2, UL 489, CE, RoHS
Operating Temperature Range: -25°C to +60°C
Enclosure Protection: IP20 (degree of protection)
Certifications: CE, RoHS
Applications:
Residual current protection for residential, commercial, and industrial applications
Protection against earth leakage currents for electrical circuits with sensitive devices such as computers, medical equipment, and solar installations
Protection for inductive loads, such as motors and transformers
General electrical protection in distribution boards, control panels, and electrical systems
Safety for systems with DC leakage currents in environments where electronic or renewable energy systems are used