Residual Current Devices (RCD)
Power Metering and monitoring Devices (PMD)

We empower the safe and efficient use of electricity with our RCD and PMD technologies.

AC/DC Residual Current Sensors for Built-in RCD at EV Charger

A complete RCD-DD and Type-B RCD solutions for EV charging

Smart Energy Monitors
for Home and Small Business

The most compact PMD with versatile wireless / wired communications

Future-proof Electrical Installation Technologies 


Empower the safe and efficient use of electricity.

As a leading technology provider for Residual Current Devices (RCD) and Power Metering & Monitoring Devices (PMD), Bituo Technik offers a wide range of components, electronic systems and complete products with proven track records in Asia and Europe.

RCD Technologies 

RCD Technologies

PMD Technologies 

PMD Technologies

Integrate our RCD technologies to enhance electrical safety

Our complete solution can meet various residual current monitoring & protection requests from original equipment manufacturers (OEMs).


The leading technologies for residual current devices (RCD) are renowned for their large-scale application in 20+ countries.


Our AC/DC residual current sensors for EV charging have been integrated into products of 120+ EV charger manufacturers worldwide.


In 2022, more than 1.5 million leakage current detection ICs and sensors were delivered in Asia and Europe, ensuring enhanced electrical safety.

energy sensors installation

Real-time energy sensors with great installation flexibility

With a compact size and versatile communication options, our smart energy sensors can be flexibly installed into both existing and new power distribution boards, perfect for both retrofit and greenfield projects.
realtime measurement

Real-time Measurement

Space Saving

easy installation

Easy Installation

smart integration

Smart Integration

Why choose us?

High Performance

Innovative products with world-class performance meeting many challenging application request

Affordable Price

Products with excellent performance-price ratios to facilitate large-scale applications

Trustworthy Quality

Products designed following strict internal standards and outsourced to recognized assembly partners

Reliable Delivery

Well-maintained supply chain with renowned upstream partners in Jiangsu Province and DACH region

Professional Support

An experienced team with industrial expertise to support customers and partners

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