BITUO TECHNIK / ENERGY MANAGEMENT

BRCS Series - IEC Range

BRCS AC/DC Residual Current Sensor (Non-installation Product)

The BRCS AC/DC residual current sensors are designed for built-in residual current protection at Mode-2 and Mode-3 EV charging equipment (AC EV Chargers) . They detects both smooth DC and AC residual currents, with digital output signals for direct integration into EVSE control circuits.

Technical Documentation: BRCS01C | BRCS03C |BRCS01V | BRCS03X 

Enhance EV charging safety together with BITUOTECHNIK

Integrating our AC/DC Residual Current Sensors into EV AC charging stations offers significant benefits.

These sensors enable the stations to comply with critical safety standards such as IEC 62955 or UL 2231. By providing reliable AC/DC leakage monitoring and protection, they help ensure a safer and more dependable EV charging experience.

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Years since launch

Shortly after the release of the IEC 62955 standard in 2018, we obtained TÜV Rheinland's first global RDC-MD and RDC-PD certificates. To date, our earliest batch of products has been in operation for over 5 years.

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Countries worldwide

Our fluxgate residual current detection technologies with excellent performance against nuisance tripping are trusted by EV charger manufacturers in over 30 countries worldwide.

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EV charger models

Our type EV/B residual current sensors have been successfully integrated into over 180 EV charger models in Asia and Europe.

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Sensors delivered

By the end of 2025, we have delivered over 2.2 million type EV/B residual current sensors across Europe and Asia, making EV charging safer together with our customers.

Type EV/B Residual Current Sensors for IEC62955 RDC-DD/RCD

Engineered for reliable EV charging


We offer a complete product line of Residual Current Sensors that can be integrated into EV chargers to meet UL 2231-2 (CCID:20), including PCB-mount, cable-mount, and enclosure-mount options, allowing users to flexibly choose the products that best meet their needs.

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Precise Detection

Delivers highly accurate measurement and optimization to prevent nuisance tripping, ensuring a smooth charging experience.

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Robust design

Engineered with durability in mind, this product is built to perform reliably in demanding and challenging environments.

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Flexible Integration

Residual Current Sensors in PCB, cable, and enclosure-mount options for flexible user selection, meeting different integration requirement.

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Exceptional Cost-Effectiveness

Incorporates advanced electronics design and manufacturing techniques to offer significant cost savings, without compromising on performance or quality.