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NATIONAL RESISTORS
 
Neutral Isolator panels ( NIS)
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Product Code : 04

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Product Specification
DYNAMIC BREAKING RESISTOR      
In electric braking, traction motor acts as a generator. Kinetic Energy of a moving train converted into electrical energy is, dissipated in the form of heat. This is called ‘Dynamic Braking.
    
Construction: Dynamic Braking Resistors are manufactured as per Customers requirement.     
     
Testing: All Routine Tests are conducted in-house.

Following special tests are also conducted if required,
  • Vibration Test
  • Rain Test
  • Hygroscopic Test.
ISOLATORS
HT indoor isolators of following rating
  • 3.3 KV / 6.6 KV/ 12 KV / 22 KV / 33 KV.       
  • 400 Amp./630 Amp./1200 Amp./1800 Amp./3200 Amp.   
Features
  • Type tested at M/S. ERDA, VADODARA
  • Single pole / Three pole
  • On load / Off load
  • Motorised / Manual mode of operation
  • Availability of link drive / Aux. switch for switchboard operation / electrical indications and interlock purpose respectively
  • Can be mounted on walls, structures or in switchboards / panels
  • High operating reliability
  • Simple maintenance and inspection
  • Used mechanically strong fiberglass link instead of epoxy link to avoid regular problem of breakage of epoxy link at site.
  • Custom built isolator panels with various interlocks are also manufactured suitable for indoor / outdoor Applications
  •  


DYNAMIC BREAKING RESISTOR :  
     
 
In electric braking, traction motor acts as a generator. Kinetic Energy of a moving train converted into electrical energy is, dissipated in the form of heat. This is called ‘Dynamic Braking.
 
             
  Construction: Dynamic Braking Resistors are manufactured as per Customers requirement.  
     
 

Testing: All Routine Tests are conducted in-house.

Following special tests are also conducted if required,

  1. Vibration Test
  2. Rain Test
  3. Hygroscopic Test.
 
  ISOLATORS :  
  HT indoor isolators of following rating :  
  A) 3.3 KV / 6.6 KV/ 12 KV / 22 KV / 33 KV.    
  B) 400 Amp./630 Amp./1200 Amp./1800 Amp./3200 Amp.  
   
  Features:  
 
  • Type tested at M/S. ERDA, VADODARA
  • Single pole / Three pole
  • On load / Off load
  • Motorised / Manual mode of operation
  • Availability of link drive / Aux. switch for switchboard operation / electrical indications and interlock purpose respectively
  • Can be mounted on walls, structures or in switchboards / panels
  • High operating reliability
  • Simple maintenance and inspection
  • Used mechanically strong fiberglass link instead of epoxy link to avoid regular problem of breakage of epoxy link at site.
  • Custom built isolator panels with various interlocks are also manufactured suitable for indoor / outdoor Applications.

     

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Contact Details
NATIONAL RESISTORS
Shop No.- 26, Jijamata Market, G-Block, MIDC, Shahu Nagar, Chinchwad, Pune - 411019, Maharashtra, India
Phone:91-20-27492231/64102003
Fax:91-20-27492231
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Key Personnel
Mr. Vishwanath Jetither (Partner)
Mobile:+919226574323
Mr. Vijay Patil (Partner)
Mobile:+919822434528, +919225601280
Mrs. S. V. Patil (Designer)
Mobile:+919226740802