Technical Specifications / Parameters Parameter Specification Manufacturer Type Code GSH204 AC-C63/0.03 Brand / Series ABB System PRO M compact® (GSH200 Series - RCBO) Device Type Residual Current Circuit Breaker with Overcurrent Protection (RCBO) Number of Poles 4-Pole (4P) (Protects all three phases and the neutral) Rated Current (In) 63 A (This is the overcurrent protection rating. The device provides both overload and short-circuit protection up to this current.) Tripping Characteristic (Overcurrent) C Curve (Instantaneous magnetic tripping range: 5In to 10In, i.e., 315A to 630A). Rated Residual Operating Current (IΔn) 30 mA (0.03A) (High sensitivity, providing protection against direct contact / electric shock). Residual Current Type Type AC: Sensitive to sinusoidal alternating residual currents only. Rated Operational Voltage (Ue) 400 V AC (3P+N~) Rated Breaking Capacity (Icn) 6 kA (IEC/EN 61009-1) Mechanical Life ≥ 20,000 operations Test Button Yes. A built-in "T" button to test the RCD functionality. Mounting DIN Rail Mounting (35 mm symmetrical rail, EN 60715) Module Width 72 mm (4 modules) Standards Compliance IEC/EN 61009-1 (RCBO standard), IEC/EN 60898-1 (for MCB part), CE, CCC, etc. Terminals Cage Clamp Terminal for all poles. Connectable Conductors Rigid/Flexible Copper: 10 - 35 mm² (suitable for 63A rating). Ambient Temperature Range -25°C to +55°C (for calibration)