Electric 0-10kg EATON PFIM-63/2/03-A-MW, RCCB (235433), Rated Voltage : 440V

• .-Number of poles; Two-pole
• -Tripping time; Non-delayed
•  -AmperageRating; 63 A 
• -Voltage rating;230 V AC
• -Rated operational-voltage (Ue) - max; 230 V
• -Rated insulation voltage (Ui); 440 V
• -Rated-impulse withstand voltage (Uimp); 4 kV
• -Rated fault current - min; 0.3 A
• -Rated fault current - max; 0.3 A
• -Frequency rating; 50 Hz
• -Short-circuit rating; 63 A (max. admissible back-up fuse)

Residual Current Circuit Breaker or RCCB is basically a gadget that senses current and disengages any low voltage (uneven current) circuit whenever a fault occurs. The main purpose of installing a Residual Current Circuit Breaker fundamentally is to protect people from electric shocks or death caused by them.