Meba'S OLLB7 series Residual current circuit breakers with over-current protection(RCBOs) are featured by: 1. Standard: IEC 1008, GB16916, BS EN61008 2. Rated voltage(Un): 2P: 230V AC 4P: 400V AC 3. Rated current(In): 25, 63A 4. Rated residual operating current(IΔ N): 30, 100, 300, 500mA 5. Rated residual non-operating current(IΔ No): 0.51Δ N 6. Residual current off-time: ≤ 0.1s 7. Minimum value of rated making and breaking capacity(Im): 3KA 8. Rated conditional short- circuit current (Inc): In=25, 40AInc=1500A In=63 AInc=3000A 9. Installation: On symmerical DIN Rail All our RCCBs and other circuit breakers are made under strict ISO9001 systems, most already get CE approval.