DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC A9R21491 - Residual Current Circuit Breaker (RCCB)
This device is a 2-pole Residual Current Circuit Breaker from the Acti 9 iID K series, engineered for earth leakage protection in industrial and commercial electrical distribution systems. It provides instantaneous detection and interruption of sinusoidal AC residual currents, safeguarding personnel against electric shock and preventing fire hazards due to insulation faults. The unit integrates into standard DIN rail enclosures, offering critical safety functionality for machinery, building automation, and general power distribution applications.
Technical Specifications:
- SERIES/FAMILY: Acti 9 iID K
- COMPONENT TYPE: Residual Current Circuit Breaker (RCCB)
- ELECTRICAL SPECS:
- RATED OPERATIONAL VOLTAGE: 230 VAC 50/60 Hz
- RATED CURRENT: 40 A
- EARTH-LEAKAGE SENSITIVITY: 30 mA
- EARTH-LEAKAGE PROTECTION CLASS: Type AC
- POLES: 2P
- RATED INSULATION VOLTAGE: 500 VAC
- RATED IMPULSE WITHSTAND VOLTAGE: 6 kV
- RATED CONDITIONAL SHORT-CIRCUIT CURRENT (Inc): 6 kA (with 63A gG fuse)
- MECHANICAL/PHYSICAL:
- MOUNTING: DIN Rail
- TERMINAL CAPACITY: 1...35 mm² rigid, 1...25 mm² flexible
- TIGHTENING TORQUE: 3.5 N.m
- FORM FACTOR: Modular, 2-module width (36 mm)
- INTERFACE/CONTROL:
- TRIPPING MECHANISM: Electromechanical, instantaneous
- INDICATORS: Trip indicator
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP40 (in enclosure)
- OPERATING TEMPERATURE: -5 to 60 °C
- STORAGE TEMPERATURE: -40 to 85 °C
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Protection of personnel and equipment against indirect contact and fire hazards in industrial, commercial, and residential electrical installations.
- STANDARDS: IEC 61008-1
