Schneider Circuit Breaker A9R71463 63A 30mA 4P is a Residual Current Circuit Breaker (RCCB) from Schneider Electric's Acti9 iID series, designed to protect people and electrical systems from the risks of electric shock and fire caused by earth leakage. With a 4-pole (4P) configuration, a rated current of 63A, and a sensitivity of 30mA, this device is an ideal choice for 3-phase 4-wire electrical systems in factories, commercial buildings, industrial parks, and high-end residential projects.
Schneider Circuit Breaker A9R71463 63A 30mA 4P Specifications
- Device Type: RCCB (Residual Current Circuit Breaker)
- Number of Poles: 4P
- Rated Current (In): 63A
- Rated Residual Current (IΔn): 30mA
- Protection Type: Type AC
- Operating Voltage: 380–415VAC, 50/60Hz
- Rated Insulation Voltage (Ui): 500V
- Impulse Withstand Voltage (Uimp): 6kV
- Conditional Short-Circuit Current: 10kA (when coordinated with a suitable MCB)
- Protection Class: IP20 (device), IP40 when installed in an electrical cabinet
- Operating Temperature: -5°C to +60°C
- Dimensions: 91 × 72 × 73.5 mm
- Weight: approx. 370 g
- Standards: EN/IEC 61008-1.
Key Features of Schneider Circuit Breaker A9R71463 63A 30mA 4P
- Rated current of 63A, suitable for protecting medium and large power circuits.
- Residual current sensitivity of 30mA, enabling rapid circuit interruption upon detecting leakage current, minimizing the risk of electric shock to people.
- 4P (3-phase + neutral) design, providing comprehensive protection for 3-phase electrical systems.
- Type AC, detects and interrupts sinusoidal alternating residual currents, suitable for most residential and industrial electrical systems.
- Mechanical durability up to 20,000 cycles, electrical durability up to 15,000 cycles, ensuring stable operation over time.
- Installs on standard DIN rail, convenient for installation and maintenance.
- Integrated status indicator window allows users to easily identify the device's on/off status.
- Compact design, with a technical plastic casing that offers fire resistance, electrical insulation, and impact resistance.
Applications of Schneider Circuit Breaker A9R71463 63A 30mA 4P
The Schneider A9R71463 circuit breaker is widely used in various electrical systems requiring a high level of safety, such as:
- Main distribution boards for factories and production workshops.
- 3-phase electrical systems in office buildings, shopping malls, and hotels.
- Apartments, villas, and residential projects using 3-phase power.
- Central air conditioning systems, pumps, motors, and industrial equipment.
- Electrical systems for hospitals, schools, laboratories, and data centers.
- AC side of solar power systems requiring residual current protection.
Special Notes on Installation and Usage
- Periodic Testing (Test Button "T"): The device has a Test button on the front. Monthly, users should press this button. If the circuit breaker immediately trips, the residual current protection function is working correctly.
- Correct Neutral Wiring: The neutral wire (N) must be connected to the terminal marked N (located on the left). Incorrect wiring or omitting the neutral wire will cause the current comparison function to malfunction, leading to the circuit breaker tripping continuously without apparent reason or failing to operate.
- Wire Insulation Quality: With a sensitivity of 30mA on a 63A load system, if the in-wall wiring is damp or old equipment has minor leakage (even if not dangerous), the cumulative residual current exceeding 30mA will trip the breaker. Proper branch circuit division should be considered for very large systems.
The Schneider A9R71463 63A 30mA 4P circuit breaker is a reliable residual current protection solution for modern 3-phase electrical systems. Its ability to quickly detect leakage current, with a sensitivity of 30mA, helps protect people from electric shock, along with its international standard quality and high durability.
