Phase Sequence Phase Failure Protection Relay , Over Under Voltage Protection Relay 380-400V
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... 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.
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Elevator part Three Phase Voltage Monitoring Relay phase failure protective deivce 380VAC Din rail
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...Phase Voltage Monitoring Relay phase failure protective deivce Phase sequence protector principle Phase Sequence Protector Principle Under normal circumstances, the wiring order of the motor work is regulated. If for some reason, the phase sequence is disordered, the motor will not work properly or even be damaged. Phase sequence protection is to prevent such accidents from happening. Phase sequence protection can use phase...
Wenzhou Ginri Power Automation Co., Ltd.
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Safety Phase Failure Protection Industrial Relays , Easy Operation
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Safety Phase Failure Protection Industrial Relays , Easy Operation Thermal overload relays are protective devices. They are designed to cut power if the motor draws too much current for an extended period of time. To accomplish this, thermal overload ......
Zhejiang KRIPAL Electric Co., Ltd.
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CBR RD6 3 Phase Sequence Relay 200-500V Phase Sequence Protection Relay
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...phase sequence overvoltage under voltage protection monitor relay Description: The RD6 DIN mount monitoring protection relay for use in 3 phase sequence voltage, and monitors three phase AC supplies for incorrect phase sequence, phase failure and phase imbalance on systems up to 500V. In 3-phase networks, all phase parameters such as phase failure, phase......
Ningbo youte electric Co.,LTD
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LRD08C 3Pole LRD phase failure and Thermal magnetic overload protection relay
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...LRD phase failure and Thermal magnetic overload protection relay 1.picture \ 2,Application JR1 series thrtmal relay is suitable for thermal protection in the circuit with AC 50 or 60HZ,Voltage up to 660V,rated current 0.1-96A for protecting the phase break......
Yueqing Kampa Electric Co., Ltd.
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Lightning Protection 4P AC230V 3 Phase Surge Protection Device
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...Phase Surge Protector SPD Lightning Arrester AC 320V Lightning Protective 20ka-40ka 3 Phase Surge Protector SPD Lightning Arrester Description: • BR-40 Series surge protective device( hereinafter referred to as SPD) are suitable for AC 50/60Hz, rated voltage up to 440v IT, TT, TN-C, TN-S, TN-C-S and other power supply system • Failure indication and centralized remote signalling alarm dry contacts. • It protect......
Britec Electric Co., Ltd.
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XHJB666 Microcomputer 6 Phase Relay Protection Tester Secondary Injection Test Kit
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... 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 conventional 4-phase voltage 3-phase current type, 6-phase voltage type, 6-phase current type,...
Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
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DV1-06 Voltage Relay Three Phase Failure Relay Voltage Device
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Technical parameters ♦ Monitoring of 3-phase mains: - voltage in 2 levels (undervoltage and overvoltage) in range 120-277V (3P+N) or 208-480V (3P3W). - phase asymmetry - phase sequence - phase failure ♦ A400: for circuit 3×400V (without neutral). ♦ ......
YUEQING RENHE ELECTRIC CO., LTD.
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59G RCS-985G Generator Transformer Two stages phase to phase overvoltage protection Replay
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...phase to phase overvoltage protection Replay for hydro-generators, gas turbine generators and pumped-storage generators Protection for Generator Current differential protection. (87G) Unrestrained instantaneous differential protection. (87UG) DPFC current differential protection. (87G) High sensitive transverse differential protection. (87G) Longitudinal zero sequence overvoltage protection......
Hontai Machinery and equipment (HK) Co. ltd
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RS1200 Relay Protection Device Microcomputer 6 Phase Relay Protection Tester
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...Protection Device Microcomputer 6 Phase Relay Protection Tester Product Description Model Number of current channels Standard six-phase Number of voltage channels Standard six-phase AC output current range 30A/phase or 180A(6 paralleling) DC output current range 10ADC/phase AC output voltage range 120VAC/phase DC output voltage range 160VDC/phase Features/Function 1. Flexible combination of voltage and current output Six-phase...
Wuhan Rising Electric Co., Ltd.
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