Long Controls Limited

01744 730 371

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    • Home
    • Site Services
    • Products
    • Actuators
    • Downloads
    • Contact Us
Long Controls Limited

01744 730 371

  • Home
  • Site Services
  • Products
  • Actuators
  • Downloads
  • Contact Us

UpRate (20kA)

Long Controls Ltd Site Services Division specialises in routine oil maintenance of Long & Crawford equipments on behalf of our clients.

Our staff hold detailed intimate detailed time-served knowledge of all L&C units and over 150-years combined factory experience between them.

LCL Site services only use OEM spares as used by the factory during initial production , as not to compromise the factory original certification.

 In conduction with a full oil maintenance or complete refurbishment a unique KEMA certified 20kA/3-sec short-time up-rating process/kit of parts for older L&C J3 & T3GF3 (13.1kA) units to meet the current IEC short-time 20kA rating. UpRate process can be completed both 'in-situ' or on recovered units at the factory. 

What We Do

UpRate Works

Additional Extras

Additional Extras

 

  1. Uprate J3/T3GF3 contact assemblies to withstand 20KA / 3 second short time. (KEMA certified).
  2. Inspect and replace as necessary 1 phase and 3 phase mouldings. 
  3. Upgrade Fuse Switch fixed contacts.
  4. Dress Fuse Switch moving contacts.
  5. Replace all indicators, windows, gaskets and labels.
  6. Check all fixings are secure.
  7. Address oil and compound  leaks.
  8. Invasive clean to the internal tank and components, flush with clean oil.
  9. Full external service prep and re finish with OEM paint.
  10. Full electrical test including power frequency and resistance test.
  11. Fit new OEM gaskets and refill with new oil.
  12. Replace original top cover fixings with new captive stainless steel type.

Additional Extras

Additional Extras

Additional Extras

 

  1. Stainless steel cable boxes and earth straps.
  2. Stainless steel main and access cover fabrications.
  3. Replace Fuse switch trip arm pivot point bushing. (pre 1988).
  4. Replace (as necessary) original fuse clips to SRBP type c/w new pins. 
  5. Replacement tank top cover.

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