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Residual Current Breakers with Overcurrent Protection (RCBO)

Compare VIOX RCBO series by rated current, pole configuration, breaking capacity and rated residual operating current for combined circuit protection.

결합한 보호Leakage and overcurrent

극 옵션Confirm by series

단 용량고장 전류 레벨 매칭

감도모델별 정격 감도 전류(IΔn) 확인

VIOX RCBO SERIES출시된 제품군

What is an RCBO?

An RCBO combines residual-current detection with overload and short-circuit protection in one device. It can disconnect the circuit when earth leakage or an overcurrent fault exceeds the device operating characteristics.

Selection must consider both protection functions. Rated current, breaking capacity, pole arrangement, trip curve, rated residual operating current and residual-current type must match the circuit and connected load.

정상 회로Load current and current balance remain within the selected characteristics.
고장 감지됨The device responds to residual current, overload or short circuit according to its design.
회로 차단The RCBO interrupts the affected circuit after the operating conditions are met.

How to choose an RCBO

Check the overcurrent and residual-current characteristics together, then verify the exact product datasheet.

정격 전류 및 트립 곡선

Match the circuit load, conductor capacity and expected inrush behaviour.

단 용량

Choose a rating suitable for the available prospective fault current.

누전 감도

Match IΔn and residual-current type to the protection objective and connected equipment.

폴 구성

Confirm the protected poles, neutral arrangement and circuit voltage.

Combined protection functions

Exact functions and ratings vary by series. Confirm all protection characteristics on the product page or datasheet.

IΔn잔류 전류 감지
I>과부하 보호
I≫단락 보호
Read the RCBO selection guide

Compare published RCBO series

빈 셀은 현재 제품 요약에서 해당 값을 사용할 수 없음을 의미합니다. 사양을 확인하기 전에 모델 페이지를 열거나 데이터시트를 요청하십시오.

시리즈폴란드정격 전류단 용량감도
VIOX V50L-32G
VIOX VL16-401P+N
VIOX VRO1-40
VIOX VRO10-632P63A10KA
VIOX VRO3-401P+N
VIOX VRO5-80
VIOX VRO6-634P6-63A
VIOX VRO7-631P+N

RCBO Selection Questions

상세 회로 검증 전 제품군 비교를 위한 빠른 답변.

What protection does an RCBO provide?

An RCBO combines residual-current protection with overload and short-circuit protection. The exact ratings and residual-current characteristics vary by model.

How is an RCBO different from an RCCB?

An RCCB is selected for residual-current protection and normally requires separate overcurrent protection. An RCBO combines residual-current and overcurrent protection in one device.

Which RCBO ratings should be checked?

Confirm rated current, poles, circuit voltage, breaking capacity, trip curve, rated residual operating current and residual-current type.

Can every RCBO be used on a DC circuit?

No. Use only a model whose voltage, polarity, poles and AC or DC ratings are explicitly suitable for the circuit.

Does RCBO type matter with electronic loads?

Yes. Connected electronic equipment can affect the residual-current waveform, so the correct device type must be selected from the product documentation and applicable installation rules.

Need the Right RCBO?
함께 확인해 봅시다.

Send the circuit voltage, rated current, poles, breaking capacity, sensitivity, connected loads, quantity and target market. VIOX will help identify the relevant published series.

Request RCBO Support