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NPMPD rail potential limit device

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Condition : New Warranty: YES
Country of shipping : China
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Product Specification

Brand Daqo
Condition New
Warranty YES

Product Description


 In the DC traction system, due to the existence of operating current and short circuit current, may cause the return circuit (running rail) and the earth to produce a safety beyond the safety of the contact voltage. In this case, it is necessary to assemble a set of rail potential limiting devices between the return circuit (running rail) and the earth, also known as short-circuiting devices, to limit the potential of the operating rails and to avoid the occurrence of contact voltages beyond safety approvals.

 

Features
  1 using conventional high-performance DC contactor (or thyristor and DC contactor in parallel with the multiplex switch) to meet the safety requirements of the European standard EN;
  2 using thyristor short circuit, low maintenance;
  3 rapid response, to maximize the guarantee Personnel and facilities safety;
  4 compact design, easy installation;
  5 live without more debugging, the factory has been put into operation conditions.

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