Freedom from nicotine. Built around the ritual.

Power System Relay Protection Products

Explore our comprehensive range of high-quality relay protection solutions for power systems, including protection relays, measuring & control devices, and automation units. Designed for reliability and stability, our products are engineered to meet the demands of modern power grids and electrical infrastructure.

High Quality

Stable performance, robust design, ensuring safe and reliable operation for modern power systems.

Fast Delivery

Timely delivery to efficiently support your urgent orders and project schedules with professional service.

Showing 17–23 of 23 results

Digital generator differential protection relay | 87G protection
The AGP-441H digital generator differential protection device is applicable to generators of 100MW and below, serving as the main protection for generators. Product Functions (ANSI)：87GH/87G Communication Mode:Optional: RS-485, CAN bus, Ethernet, IEC 60870-5-103 (IEC-103) In-house Factory & Technical Team, OEM…

Read more
Integrated DTU-380H Distribution Terminal Unit
Product Overview DTU-380H Distribution Terminal Unit integrates protection, measurement, control, and communication functions into a single unit, offering high integration and flexible configuration.It is a multifunctional device Widely used in ring main units, small switching stations, and prefabricated substations, this…

Read more
Intelligent 246H Integrated Measurement and Control Device
The ATN-6101 All-in-One Grid-Connection Communication Device is used in county-wide photovoltaic projects, local power plants and distributed PV systeCommunication Featuresms.

Read more
Motor differential protection 87M
Overview The motor differential protection device adopts professional differential motor protection logic. It is an integrated protection and control unit developed for high- and low-voltage asynchronous motors, available for standalone panel installation or built-in mounting in switchgear cabinets. Product Functions…

Read more
Rotor Earth Fault Protection Relay 50N/51N
The rotor earth fault protection relay (50N/51N ) is suitable for protecting generators with hydro turbine capacities not exceeding 10 MW and steam turbine generator capacities not exceeding 100 MW. Together with generator differential protection and generator backup protection, it forms a comprehensive generator protection…

Read more
Transformer Differential Protection｜87T
Product Overview transformer-differential-protection｜87t and control units are suitable for substations operating at voltage levels of 110 kV and below. Typically, they are installed in a single panel alongside transformer backup protection devices, non-electrical quantity protection devices, and transformer measurement and…

Read more
Transformer High Backup Protection Relay
Product Overview The Transformer High Backup Protection Relay is designed for backup protection of transformers in substations at voltage levels of 110 kV and below. It works in conjunction with the AST-441H Differential Protection Unit to perform secondary functions for…

Read more