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
- Uprate J3/T3GF3 contact assemblies to withstand 20KA / 3 second short time. (KEMA certified).
- Inspect and replace as necessary 1 phase and 3 phase mouldings.
- Upgrade Fuse Switch fixed contacts.
- Dress Fuse Switch moving contacts.
- Replace all indicators, windows, gaskets and labels.
- Check all fixings are secure.
- Address oil and compound leaks.
- Invasive clean to the internal tank and components, flush with clean oil.
- Full external service prep and re finish with OEM paint.
- Full electrical test including power frequency and resistance test.
- Fit new OEM gaskets and refill with new oil.
- Replace original top cover fixings with new captive stainless steel type.
Additional Extras
Additional Extras
Additional Extras
- Stainless steel cable boxes and earth straps.
- Stainless steel main and access cover fabrications.
- Replace Fuse switch trip arm pivot point bushing. (pre 1988).
- Replace (as necessary) original fuse clips to SRBP type c/w new pins.
- Replacement tank top cover.
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