Tier 1 Stock Countdown

Wilson Power Solutions stopped manufacturing Tier 1 transformers but we hold finished stock of Wilson e1 distribution transformers, available on 4-6 weeks lead time. All stock transformers come with the following base specification:

• HV off load tap changer with additional tap setting (+/-2.5%, +/-5.0%, +7.5%),
• Bottom entry HV cable box suitable for 1 x 3c cable,
• LV cable box suitable for multiple x 1c cables depending on the rating

Tier 1 Stock Countdown

Wilson E1 range, EU Ecodesign Tier 1 compliant, liquid-filled distribution transformers with the following ratings:

Voltage ratio 11kV/415V

• 500kVA
• 800kVA
• 1000kVA
• 1250kVA
• 1500kVA
• 2000kVA
• 2500kVA

Voltage ratio 11-6.6kV/415V or 6.6kV/415V

• 500kVA (limited stock)
• 1250kVA (limited stock)

Voltage ratio 33kV/415V or 33kV/400-400V

• 4000kVA

iDNO Unit Type (UKPN). Voltage ratio 11kV/433V

• 800kVA
• 1000kVA

Additional Accessories

Where you require additional accessories such as Oil Temperature Indicator (OTI), Winding Temperature Indicator (WTI), Magnetic Oil Gauge, Pressure Relief Device (PRD), or Conservator & Bucholz Relay, then lead times will extend out a little to 2 weeks depending on our production workload at the time.

If you require MV or LV Switchgear on your transformer please contact us for a lead time to confirm details.

Typical accessories

• Oil temperature indicator (OTI)
• Winding temperature indicator (WTI)
• Magnetic oil level gauge (MOG)
• Forced fan cooling
• Marshalling box P
• Pressure relief device (PRD)
• AVR relay and control panel
• Bi-directional rollers
• Radiator valves
• Dehydrating breather

Typical applications

• Step down distribution transformers
• Step up generation transformers
• Wind farm transformers
• Solar PV farm transformers
• Motor starting transformers
• 6 Pulse and 12 Pulse rectifier transformers
• Earthing transformers
• Isolation transformers
• Korndörfer autotransformer starter