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ETL5-63B Type B RCBO (Residual Current Circuit Breaker with Overcurrent protection) is a combined protective device that integrates residual current protection (RCD) and overcurrent protection (MCB), with a rated current up to 63A. It supports single-phase 230/240V and three-phase 400/415V systems, features a 10kA breaking capacity, and meets IEC61009-1 and IEC62423 standards.
Type B RCBOs are specifically designed to detect smooth DC residual currents, as well as AC and pulsating DC currents. This makes them ideal for applications such as industrial environments with variable speed drives, solar panel systems, EV charging stations, commercial distribution boards, and residential installations where enhanced earth leakage protection is required.
| Technical Data | ||
| Standard | IEC/EN 61009-1, IEC/EN 62423 | |
| Protection | Ground fault, Overcurrent and short circuit | |
| Type of trip | Ground fault:Electronic | |
| Overload and short circuit:Thermo-magnetic | ||
| Residua current type | BType -residual AC,pulsating and smooth DC current,high frequency(≤1kHz) | |
| No.of poles | 1P+N,3P+N | |
| Neutral | Switched,N pole on the right | |
| Insulation voltage(Ui) | 500V | |
| Rated voltage(Ue) | 1P+N:230/240V~;3P+N:400/415V~ | |
| Rated currents(In) | 6,10,16,20,25,32,40,50,63A | |
| Rated sensitivity currents(I△n) | 30,100,300mA | |
| Residual current off-time under(I△n) | ≤0.1s | |
| Rated residual making and breaking capacity(I△m) | 500A(In≤50A),10ln(In>50A) | |
| Rated frequency | 50/60Hz | |
| Rated short-circuit capacity(lcn) | 10kA | |
| Energy limiting class | 3 | |
| Rated impulse withstand voltage(Uimp)(1.2/50μs) | 4kV | |
| Dielectric test voltage | 2KV(50/60Hz,1 min.) | |
| Fire resistance(glow-wire test) | 960±15℃(Enclosure);650±10℃(Handle) | |
| Thermal tripping characteristics | 1.13In No tripping within an hour;1.45In Tripping within an hour | |
| Instantaneous tripping characteristics | B:3In-5In;C:5In-10ln;D:10In-20ln | |
| Electrical life | 4,000 Cycles | |
| Mechanical life | 10,000 Cycles | |
| Contact position indicator | green OFF/red ON | |
| Protection degree | IP20 | |
| Ambient temperature | -25℃~+55℃,Max.95%humidity | |
| Terminal connection type | Line side terminals | Cable/Pin-type/Fork-type busbar |
| Load side terminals | Cable/Pin-type | |
| Max.terminal size for cable | 16mm²flexible/25mm²rigid | |
| Max.tightening torque | 2.5N.m | |
| Installation | Mounting on 35mm DIN rail | |
| Incoming method | From top | |
