It protects a single outgoing 1P+N circuit at 230 V AC, 50/60 Hz, with a rated current of 25 A and an earth-leakage sensitivity of 30 mA. The voltage-independent tripping mechanism means the RCD operates without needing a separate power supply or electronic circuit — the fault current itself energizes the trip solenoid, which improves reliability in degraded voltage conditions.
Integration into a panel
The add-on design occupies one modular space to the right of its paired MCB; the two units are linked by screws through the side terminals. Bottom tunnel terminals accept 1…16 mm² rigid or 1…10 mm² flexible cable, stripped 14 mm, tightened to 2 N·m. The white housing carries a local fault-indication flag that shows after a trip, aiding troubleshooting without a meter.
Rated insulation voltage 400 V AC, impulse withstand 4 kV — both conforming to EN/IEC 61009-2-1, which governs the safety and performance of residual current operated circuit-breakers with integral overcurrent protection (RCBOs). Ambient operating range -25…60 °C, storage -40…85 °C, with 95 % relative humidity at 55 °C. Maximum operating altitude 2000 m. The electrical endurance is rated at 10,000 cycles, mechanical at 20,000 cycles — figures that reflect the device's intended use as a protective device with infrequent manual operation.