Slaters Electricals Limited

Distribution Transformers

We have over 250 quality new and refurbished medium voltage distribution transformers in stock for fast, even same day, dispatch.

New 11kV Transformers

• Standard 11000/433V voltage, +7.5%/-5%
• Ecodesign Tier 2 losses
• ONAN or KNAN cooling
• 315, 500, 800, 1000, 1250, 1500, 2000 & 2500 kVA ratings available from stock
• Available for same day dispatch
• Manufactured by BEST Transformer
• 24 month comprehensive warranty

Refurbished Transformers

• 11, 33, 20, 6.6, 3.3kV to 433V & other voltages
• Standard or Ecodesign Tier 1 losses
• ONAN, KNAN, LNAN or ANAN
• All standard ratings available from 50kVA to 3150kVA
• Lead time 2-4 weeks, faster if required
• Wide range of leading manufacturers
• 48 month comprehensive warranty
• Up to 40% cheaper than a new transformer

Distribution Transformers Designed & Manufactured to Order

In addition to our standard new 11000/433V stock transformers, we design and supply distribution transformers to your exact requirements manufactured by our partner BEST Transformer.

Options available include:

• BS type bolt-on radiator, corrugated tank or unit-sub (HV/LV same side)
• 33kV, 20kV, 11kV, 6.6kV, 3.3kV or other primary voltages
• Aluminium or copper windings
• Dyn11, YNd11 or other vector groups
• Dual primary, multi-tapped or dual secondary outputs
• All ratings from 50 to 5000kVA
• Quantities from a single unit to 100+ units
• Hermetically sealed or free breathing (with or without conservator)
• Tier 2 or Tier 2+ losses
• On-load or off-load tap changer
• ONAN, KNAN, LNAN, ANAN, OFAF & OFWF cooling etc.
• Special transformers e.g. furnace, isolating, rectifier, phase shift, motor-starter etc.
• Pole mounted transformers 100-315kVA