ABB SPAJ140C-CA Combined Overcurrent And Earth-fault Relay
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... over-current and earth-fault relay SPAJ 140 C is used for the selective short-circuit and earth-fault protection of radial feeders in solidly-earthed, resistance-earthed or impedance-earthed power systems. This integrated protection relay includes an over...
Joyoung International Trading Co.,Ltd
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ABB SPAJ 140C DCS EARTH-FAULT RELAY MODULE
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Product Description ABB SPAJ 140C DCS EARTH-FAULT RELAY MODULE Technical Application *Decentralized control system *Turbine control, monitoring and protection system *Real-time information management and optimization system *Enterprise ......
Wuhan Sean Automation Equipment Co.,Ltd
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ABB SPAJ 140C DCS Earth - Fault Relay Module For Oil And Gas Factory
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Product Description ABB SPAJ 140C DCS EARTH-FAULT RELAY MODULE Technical Application *Decentralized control system *Turbine control, monitoring and protection system *Real-time information management and optimization system *Enterprise ......
Wuhan Sean Automation Equipment Co.,Ltd
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Black Electronic Overload Relay Motor Protection Relay Phase Loss Earth Fault
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...Relay Motor Protection Relay Phase Loss Earth Fault ♦ Features -- Separate structure,LED part panel mounted and CT part screw fixing -- Built-in LED and keypad afford a precise,digital setting -- Three-phase monitoring of short-circuit, locked-rotor,overcurrent, undercurrent, phase loss, phase unbalance,overvoltage,undervoltage -- Earth fault (should couple with ZCT) -- Fault......
Wenzhou Ginri Power Automation Co., Ltd.
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Ground Earth Fault Protection Relay , 5A Digital Protective Relay
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... Earth Fault 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: KRIPAL Relay is ......
Zhejiang KRIPAL Electric Co., Ltd.
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Acrel AC110V Overcurrent And Earth Fault Protection Relay ASJ20-LD1C&LD1A
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...TN system distributing circuit with the alternating current 50/60Hz, the rated voltage 400V or below. ASJ Series of action relay of after-current is applied in the earth fault protection for the electric circuit, so as to prevent the equipment damage and...
Jiangsu Acrel Electrical Manufacturing Co., LTD.
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Feeder Protection Relay ABB REX 521 Overcurrent Protection Earth Fault Detection
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...Relay is a device designed to protect electrical feeders from faults and abnormal conditions in power distribution systems. Here are its primary features and functions: 1. Fault Detection and Isolation Overcurrent Protection: Detects excessive current and disconnects the feeder to prevent damage. Earth Fault Protection: Identifies ground faults......
Wisdomlong Technology CO.，LTD
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Short Circuit Earth Fault Indicator Monitor System With Wireless / Optical Fiber
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...fault indicator(be called indicator for short below) is mainly used for switch gears for locally indicate short circuit fault and earth fault and also provide wireless signal output . 2,Working principle The principle is micro-controllers with little power consumption, micro-controllers can automatically identify fault signals from short circuit indicator and earth......
Beijing Tianyihongda Science & Technology Development Co., LTD
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DC System Earth Insulation Tester Ground Earth Fault Locator Calibrator Equipment
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DC System Earth Insulation Tester Ground Earth Fault Locator Calibrator Equipment Functions 1. In line or off line testing the insulation monitoring device or ground fault locator 2. Positive grounding test function 3. Negative grounding test function 4. ......
Wuhan GDZX Power Equipment Co., Ltd
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35KV Underground Cable Earth Fault Locator Instrument for Cable Fault Location
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...Earth Fault Locator I. Introduction: The normal operation of cable-communication and electric transport completely rely on the good condition of the cable-circuit. Once the circuit breaks down and without punctually examination and repairing, it will no doubt trigger the ass economic loss and bad social influence. So the electric fault measuring instrument is a very important tool. This cable fault......
Advanced Instruments Co.,Limited
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