restricted earth fault relay

... over-current and SPAJ 140 C is used for the selective short-circuit and protection of radial feeders in solidly-eart...

Product Description ABB SPAJ 140C DCS MODULE Technical Application *Decentralized control system *Turbine control, monitoring and pr...

Product Description ABB SPAJ 140C DCS MODULE Technical Application *Decentralized control system *Turbine control, monitoring and pr...

... Motor Protection Phase Loss ♦ Features -- Separate structure,LED part panel mounted and CT part screw fixing -- Built-in LE...

... Protection , 5A Digital Protective A used in the power system to detect neutral or ground measure the vector ...

...TN system distributing circuit with the alternating current 50/60Hz, the rated voltage 400V or below. ASJ Series of action of after-current i...

... is a device designed to protect electrical feeders from and abnormal conditions in power distribution systems. Here are its primary fe...

... indicator(be called indicator for short below) is mainly used for switch gears for locally indicate short circuit and and a...

DC System Insulation Tester Ground Fault Locator Calibrator Equipment Functions 1. In line or off line testing the insulation monitoring d...

original SSR-F-25DA, Semiconductor fuse solid state Packaging & Shipping Company Information Yueqing Kampa Electric Co.,Ltd. is Estab...

... Locator I. Introduction: The normal operation of cable-communication and electric transport completely rely on the good condition of th...

SPCJ4D29-AA ABB module Brand/Manufacturer ABB/SWEDEN Part Number SPCJ4D29-AA Alternate Part Number SPCJ4D29-AA Description mod...

... leakage circuit breaker elcb/rocb/rcd ​ Independent of power supply and line voltage,and free from external interference,voltage fluctuation ...

...-critical industrial automation applications, combining loop-monitoring and detection capabilities. Built with robust isolation technol...

RCS-985T Transformer Protection Disagreement protection and Thermal overload protection The RCS-985T is a high-performanc...

... 21 Synchronising or synchronism-check s 25 Undervoltage s 27 Directional Power s 32 Undercurrent or underpower s 37 Negat...

... starter can be widely applied to electric appliance,like refrigerator,air-conditioner, over-heat of motor,etc. Description of PTC...

...employed in AC distribution networks to limit the current that would flow through the neutral point of a transformer or generator in the event of a...

... protection tester For distance protection GFUVE ELECTRONICS is one of the leading protection tester manufacturers China, welcome ...