Description
10 amp ~ 63 amp RCCB can monitor the difference between live and neutral currents in a three-phase electrical system. This 3 pole RCD residual current device is used in electrical systems to protect against earth leakage faults.
Specification
| Model | ATO-BY6LE-63-3P | |
| Pole | 3 Pole + N | |
| Dimension (Optional) | 95mm(L)*100mm(W)*75mm(H) | 95mm(L)*106mm(W)*75mm(H) |
| Rated Current (Optional) | 10A, 16A, 20A, 25A, 32A | 40A, 50A, 63A |
| Internal Material (Optional) | Thin Copper Part or Thick Copper Part | |
| Rated Frequency | 50-60Hz | |
| Rated Insulation Voltage | 400V | |
| Rated Impulse Withstand Voltage (KV)Uimp | 4000 | |
| Rated Short-Circuit Capacity (KA)Inc | 3000-6000 | |
| Rated Residual Breaking Capacity (I△m=lm) | 2000 | |
| Maximum Breaking Time at Rated Residual Current | 0.1s | |
| Producible Leakage Protection Type | AC Type | |
| Rated Residual Operating Current (I△n) | 30mA | |
| Electrical Life | 10000 | |
| Mechanical Life | 10000 | |
| Protection Level | IP20 | |
| Function | Short Circuit Protection, Overload Protection, Leakage Protection, Circuit Breaker Protection | |
| Installation | 35mm Rail Mounting |
RCCB Breaker Dimension
95mm(L)*100mm(W)*75mm(H)
95mm(L)*106mm(W)*75mm(H)
Tips: Difference between RCCB and MCCB breaker
RCCB (Residual Current Circuit Breaker) and MCCB (Molded Case Circuit Breaker) serve different purposes in electrical protection.
- RCCB detects earth faults or leakage currents, protecting against electric shocks and preventing fire hazards. It works by comparing the live and neutral currents; if there’s a difference (indicating leakage), it trips the circuit. RCCBs are typically used in residential and light commercial installations, focusing on human safety rather than overload protection.
- MCCB is designed to protect against overcurrents (overload or short circuit). It is capable of handling higher current ratings and is used in industrial and commercial applications where higher power is distributed. MCCBs can be adjustable and provide both thermal (overload) and magnetic (short-circuit) protection.






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