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Baoding MingRui Optoelectronics Technology Co.,Ltd


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Neutral grounding resistors
Mingrui Neutral Grounding Resistors are designed to be used in Industrial Power Systems for added protection against ground fault currents. In the event of a ground fault, the fault current is limited to a safe value by means of Mingrui resistors. De...		 2017-12-14
Neutral grounding resistors
Neutral Grounding Resistor is used for the resistance grounding of power systems. Earthing through resistor is the most common, economical and effective solution for impedance earthing. It is used, when the Neutral of the supply transformer is availa...		 2017-12-13
Leakage relay
MRD-RLJ series leakage relay is applicable to AC voltage up to 660V, frequency of 50Hz. With shunt release or no-voltage release, AC contactor and magnetic starter, they compose a set of current leakage protection equipment, to prevent current leakag...		 2017-09-23
Arc Suppression Coil with magnetic bias Compensation Device
1.Product Name: Arc suppression coil with magnetic bias compensation system 2.Model No.: MRD-XHP 3.Minimum order: 1 set 4.Brand name: MINGRUI 5. Unit configuration: Grounding transformer, arc suppression coil with magnetic bias, micro-computer c...		 2017-08-30
MRD-XHZ Ground Fault Neutralizer
1.Product Name: Arc suppression coil with magnetic bias compensation system 2.Model No.: MRD-XHP 3.Minimum order: 1 set 4.Brand name: MINGRUI 5. Unit configuration: Grounding transformer, arc suppression coil with magnetic bias, micro-computer c...		 2017-08-17
Neutral grounding resistors
The Neutral Grounding Resistors are generally employed in the LV and MV distribution networks to protect power transformers and generators from damaging currents in the event of earth fault. This protection system represents the best choice in te...		 2017-08-07
PLC-type transformer cooling cabinet, China
1. Purpose The MRD-FZK intelligent transformer cooling control system is dedicated control and protection equipment of power transformer cooling devices and applicable to those transformer different in voltage 2. Features a. two ways of independ...		 2017-07-08
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