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1 - 10 Results for protection relay system from 3940 Products
Ground Earth Fault Protection Relay , 5A Digital Protective Relay
...Protection Relay , 5A Digital Protective Relay A relay used in the power system to detect neutral or ground faults measure the vector difference of the three phase power, or measure the neutral current directly. Description: Purple Horn Relay is a micro-mrocessor based electronic protection device designed to recognize current leakage to ensure the protection......
Hefei Purple Horn E-Commerce Co., Ltd.
Verified Supplier
Room 1306B, Building A, Xindi Center, Qimen Road, Hefei City, Anhui Province
Hertz HZJB-340A High Precision Three Phase Protection Relay Tester for Substation
...protection relay tester designed for substation applications. It is capable of testing various traditional relays and relay protection devices as well as modern microcomputer protection devices. It is particularly convenient for testing transformer differential protection and auto-reclosing devices. The HZJB-340A Microcomputer Relay Protection......
Wuhan Hertz Power Equipment Co., Ltd
Verified Supplier
Building 22, Kechuang Center, No. 20, Chuanggu Road, East-West Lake District, Wuhan, China
3 Phase Protection Relay Tester RS702 Secondary Current Injection Test Set
... relay protection tester realized by widely listening to the suggestions of users, summarizing the strengths and weaknesses of current domestic similar products and fully using ......
Wuhan Rising Electric Co., Ltd.
Verified Supplier
1st Floor, Block B, Innovation Park, Changzui Science and Technology Park, Sixth High-tech Road, Jiangxia District, Wuhan City, Hubei Province
Phase Sequence Phase Failure Protection Relay , Over Under Voltage Protection Relay 380-400V
... to provide overvoltage, undervoltage and phase failure protection in three-phase AC circuits and phase sequence protection in irreversible transmission devices and features reliable performance, wide application and convenient use. The protector starts to...
Wuxi Fenigal Science & Technology Co., Ltd.
Verified Supplier
606#, Building-B, 100 Dicui Road, Binhu District, Wuxi, Jiangsu, China
OEM Thermal Overload Relay LR2-D13 NO NC Overload Protection Relay
... current 0.1-93A for protecting the phase break when the electric motor is overload. The relay has different mechanism and temperature compensation & can be pluged in HC-D series AC contactor. It is the most advanced thermal relay in the nineties in the...
YueQing ZEYI Electrical Co., Ltd.
Verified Supplier
Sifang Industrial Park, Beibaixiang Town, YueQing Wenzhou Zhejiang Province China
AM5 Series 1-120V Medium Voltage Protection Relays 8 Current Input
AM5 Series Protection Relay ● A complete set of protection, related to the application; ● 8 current input, 4 voltage input, 16 DI, 10 DO; ● Auxiliary power supply adapts with AC220V, DC220V, ......
Jiangsu Acrel Electrical Manufacturing Co., LTD.
Verified Supplier
No. 9 Xincheng Road,Chengjiang Street, Jiangyin City, Jiangsu Province,China
Six Phase Secondary Injection Relay Test Set – Microcomputer Protection Relay Tester for Substation Calibration
...Relay Test Set – Microcomputer Protection Relay Tester for Substation Calibration Product Description This intelligent six-phase microcomputer relay protection tester — also known as a relay test set or protection relay calibration instrument — is carefully developed in accordance with the technical specifications for microcomputer-based relay protection......
Wuhan Mingyang Technology Co., Ltd
Verified Supplier
Hao Mai Mansion, No. 11, Wudayuan First Road, East Lake High-Tech Development Zone, Wuhan, Hubei Province, P.R.China
XHJB666 Protection Relay Test Set with LCD Display and Precise 6 Phase Relay Calibrator
... relay protection tester fully realized by modern advanced microelectronic technology. Features 1. Output up to 6-phase voltage 6-phase current, which can be combined to realize ......
Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
Verified Supplier
Building B8-01, Phase I, Ronghao Industrial City, No. 2098, Weiyang 9th Road, Gaoling District, Xi'an, China
Digital 6 Phase Relay Tester for Substation Protection Relays and Electrical Protection System Commissioning
... protection equipment. It can be used during relay commissioning, maintenance and functional verification in substations, power plants and electrical testing facilities. Based on a high-speed digital signal ......
Sansion Power Electric Co., Ltd.
Verified Supplier
Building 8, Yuanyuanxin Industrial Park, No. 8 Huanhu Middle Road, Dongxihu District, Wuhan, Hubei, China 43004
120V Protection Relay Test Equipment With Fault Playback
Protection Relay Test Kit MCRT40 Main Functions 1) With 4 Phase voltage & 3 Phase current output, can test various of protection relay 2) 4th phase voltage Ux is multifunction voltage and can be set as 4 kinds of 3U0 or test testing synchronous voltage, or any voltage value output. 3) Easy to operate with using rotation mouse and display by large LCD screen. 4) Can test all kinds of relay and micro-computer protections......
Metrum Henan Electric Technology Co.,Ltd.
Verified Supplier
No.1207-1, Building #1, the National University Sci-Tech Park of Henan Province, No.11 Changchun Road, Zhengzhou, Henan 450000
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