HSR141 Self-Powered Protection Device
Application Scope
The HSR141 Self-powered Protection Device is suitable for switching stations, distribution stations and ring main unit systems with voltage levels of 20 kV and below. It provides definite and inverse time overcurrent protection functions and earth protection functions powered by CT, which can cooperate with circuit breakers to completely replace the protection mode of fuses plus load isolating switches. It is also equipped with an RS485 communication interface, and can form an automation system together with other intelligent devices through communication interfaces.
Function Configuration
1. Three-stage Definite Time Phase Overcurrent Protection
1.1 Phase Overcurrent Stage I Protection
1.2 Phase Overcurrent Stage II Protection
1.3 Phase Overcurrent Stage III Protection
2. Inverse Time Phase Overcurrent Protection
3. Overload Protection
4. Definite Time Zero-sequence Overcurrent Protection
5. Inverse Time Zero-sequence Overcurrent Protection
6. One Channel of Active Input for Direct Tripping Protection
7. Two Channels of Passive Input for Direct Tripping Protection
Nanjing Hosen Science and technology Co.,Ltd. was founded on October 20, 2003. It is located in the beautiful scenery of Jiangning Economic Development Zone in the ancient city of Nanjing. The company focuses on the research and development, production, operation and sales services of intelligent power grids, power system automation and relay protection products. It has been deeply engaged in the manufacturing of relay protection equipment, and with professional strength, has firmly established the foundation of the industry.
Address：No. 601, Building 10, Ji Yin Avenue 3118, Muling Sub-district, Jiangning District, Nanjing City, Jiangsu Province Telephone：025-84645390 Email：3100417487@qq.com