The Schneider EA9 3P+N 20kA is a Molded Case Circuit Breaker (MCCB) designed for overload, short circuit, and earth fault protection in three-phase systems with neutral.
Key Features:
Type: Molded Case Circuit Breaker (MCCB)
Rated Current: Customizable (depends on specific model and application)
Number of Poles: 3P+N (three-phase with neutral)
Rated Voltage: Typically 400 V (check specific model)
Breaking Capacity: 20 kA at 415 V
Overload Protection: Adjustable thermal overload protection
Short-Circuit Protection: Magnetic protection for short circuits
Earth Fault Protection: Provides protection against earth leakage (depending on configuration)
Applications: Suitable for industrial, commercial, and residential use for circuit and motor protection
Mounting Type: DIN rail mounted for easy installation in electrical panels
Parameters:
Rated Current: Typically available in models ranging from 10A to 250A (model-specific)
Number of Poles: 3P+N (three-phase + neutral)
Rated Voltage: 400 V
Rated Frequency: 50/60 Hz
Breaking Capacity: 20 kA at 415 V (high fault current withstand)
Trip Unit Type: Thermal-magnetic (adjustable)
Overload Protection: Adjustable thermal protection for overload conditions
Short-Circuit Protection: Magnetic protection for quick disconnection during short-circuits
Insulation Voltage: 690 V
Mounting Type: DIN rail or panel mountable
Ambient Temperature Range: -5°C to +40°C
Mechanical Life: Up to 10 million operations
Electrical Life: Up to 6,000 operations at rated current
Protection Class: IP20 (touch-safe terminals)
Standards Compliance: IEC/EN 60947-2, IEC/EN 60947-1, and other relevant standards