Power Relay Protection Equipment | Electrical Automation Solutions | YiYuan Relay Protection

Founded in 2016, YiYuan Relay Protection Automation Co., Ltd. is a high-tech enterprise dedicated to providing customers with optimal relay protection, power monitoring, electrical automation, and cloud-based products, solutions, and services.

In industries such as metallurgy, steel, cement, food, pharmaceuticals, and chemicals, we provide mature product solutions and technical services for distribution and substation systems from 110kV to 400V.

Our developed products include relay protection devices, intelligent transformer protection devices, intelligent distribution protection devices, and microprocessor protection devices. We provide comprehensive electrical automation services including networking, IoT, and visualization.

YYB-9611 - Digital line protection device, compliant with DL/T634-2018

SVD Protection Device - Microprocessor protection, supporting serial/Ethernet communication

Transformer Protection Device - Intelligent diagnosis, accurate fault location

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