Nanjing Zhuneng Electric Co., Ltd.

186-9497-0015

Feeder protection and control REF615 IEC

Siemens Siprotec 5 7SJ82 Overcurrent & Feeder Protection Relay

MiCOM Substation Applications

PSL691U Feeder protection relay

PRODUCT

Focus on protection relay

Proffesional in relay protection.

Technical team

We have a R&D personnel and highly trained team.

Best service

With new technology,the quality of products can be assured.

Outstanding quality

Commited to give you sincere and thoughtful service.

ADVANTAGE

APPLICATION AREA

Agriculture, forestry and water conservancy

Transformer substation

Urban and rural power grids

Industrial and mining enterprises

Industry

Real estate construction

Business Services

Public utility

Nanjing Zhuneng Electric Co., Ltd

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2008

year

Company Establishment

square

Factory Area Occupied

10

900

8000

people

On Duty Employees

strong

Industrial Enterprise

ABOUT US

Nanjing Zhuneng Electric Co., Ltd. is an innovative technology enterprise specializing in R&D, production, sales, and engineering technology consulting services for power system automation secondary equipment and power comprehensive automation systems. The company advocates the principles of "pragmatism, refinement, and collaboration." , innovation" as the core corporate culture, and strive to form a good atmosphere in which employee development, self-worth realization and corporate development are harmonious. The main products include: relay protection, SCADA, distribution environment monitoring system, energy management system, communication protocol converter, station communication management , and automation supporting products.

PARTNER

SERVICE

Pre sales and after-sales service

Our professional marketing and after-sales service team provides you with comprehensive pre-sales consultation, after-sales service and other services

Data Download

Download company product related documentation online. Such as product user manuals, various series of product information documents, etc.

Customization

We provide OEM and ODM services for automation products such as relay protectors and power instruments

Our needs

We need high-quality raw materials to serve our customers

按钮

Debug Mode 615

NEWS

02 2026 / 11

Debug Mode 615

The REF615’s commissioning mode simulates discrete outputs and switch states to verify protection module accuracy and digital signal reliability during on-site debugging and system testing.

02 2026 / 11

MICOM P127

MICOM P127 is a high-performance microcontroller integrated with abundant peripherals and powerful processing capabilities, suitable for applications in various fields such as industrial control, automation and embedded systems.

30 2026 / 10

Manual Voltage-Free Integrity Verification Protocol

This procedure tests no-voltage synchronizing logic in protection devices, verifying correct closing behavior under local/remote control, voltage conditions, and time limits, plus accurate event logging.

29 2026 / 10

Schneider Easergy P3 Alternative: Compact MV Protection Relay

Looking for the compact efficiency of the Schneider Easergy P3 but need faster delivery and better margins? Our advanced protection relay is designed as a direct, drop-in alternative for standard medium-voltage applications. It delivers the core benefits engineers expect from the P3 series—comprehensive protection, intuitive operation, and reliable performance—without the OEM lead times or premium markup. Key Advantages: 100% Compatible: Form, fit, and function replacement for major OEMs like Schneider. Fast Delivery: Ships in 7 days, not the standard 12+ weeks. Cost-Effective: 40–60% below brand-name pricing to protect your project margin. Certified Reliability: IEC & CE certified for medium-voltage system safety. OEM/ODM Ready: Custom branding available for distributors and panel builders.