300 Series - High Voltage (Plate) and Filament - 39 VA To 940 VA
Universal Primary and 50/60 Hz. Operation

Product Features:
  • Primary: Universal - 100, 110, 120, 200, 220, 230, 240 VAC 50/60 Hz.
    • Note: Units are designed to operate with BOTH primary windings engaged.
  • Bias Tap: 50 VAC from high voltage secondary C.T. (except Part number: 379WX - uses a separate 60VAC 0.2 Amp winding).
  • Hipot tested: 2,000 VAC.
  • Faraday Copper Primary Shield: The electrostatic shield reduces the capacitive coupling from the primary - greatly attenuating higher frequency current coupling to the secondaries (shield is internally grounded to the end bell.
  • Windings: Concentric wound for low stray field and low noise.
  • Models: This series is an upgrade from the entire 200 Series range of units PLUS 2 models designed specifically for 300B tubes (Part number: 300BK) and 2A3 tubes (Part number: 302AX).
  • Finish: Black powder paint to match the 1650P Series of output transformers.
  • Units can be run full wave bridge of full wave C.T.
  • Conservative designs - CSA certified (209651).
Related Products:
  • For a more economical, open frame, universal primary - check out the 260 Series.
  • For that "high end" look and feel check out the potted versions - the 300P Series.
Hammond Manufacturing Transformers
KGA Enclosures Ltd are full authorised distributors of the Hammond Manufacturing Transformers product range. This entire range is available from KGA Enclosures Ltd at great competitive pricing and with full customisation options on all applicable products.

Please Remember - Only use authorised distributors to purchase these products. Using authorised distributors will guarantee you receiving a genuine product which, by using KGA Enclosures, we can guarantee you receiving.
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Hammond Manufacturing Product Ranges
Did you know, the entire Hammond Manufacturing product range is all available here at KGA Enclosures Ltd. If you find a lower price, we aim to match and beat it. For more information on any range, please click the link below.
300 Series | Hammond Manufacturing Transformers | KGA Enclosures Ltd
Product Options
Part No Brand Product Information 1+ 5+ 10+ 25+
300BX Hammond Transformers Please Click Part Number For More Details £184.55 £177.17 £169.78 £166.09
302AX Hammond Transformers Please Click Part Number For More Details £147.65 £141.74 £135.84 £132.88
363AX Hammond Transformers Please Click Part Number For More Details £73.59 £70.65 £67.70 £66.23
363CX Hammond Transformers Please Click Part Number For More Details £110.73 £106.30 £101.87 £99.66
369AX Hammond Transformers Please Click Part Number For More Details £73.82 £70.87 £67.91 £66.44
369BX Hammond Transformers Please Click Part Number For More Details £73.82 £70.87 £67.91 £66.44
369EX Hammond Transformers Please Click Part Number For More Details £70.13 £67.33 £64.52 £63.12
369GX Hammond Transformers Please Click Part Number For More Details £73.82 £70.87 £67.91 £66.44
369HX Hammond Transformers Please Click Part Number For More Details £121.39 £116.54 £111.68 £109.26
369JX Hammond Transformers Please Click Part Number For More Details £75.64 £72.61 £69.59 £68.07
369KX Hammond Transformers Please Click Part Number For More Details £133.20 £127.87 £122.55 £119.88
370AX Hammond Transformers Please Click Part Number For More Details £79.35 £76.18 £73.01 £71.42
370BX Hammond Transformers Please Click Part Number For More Details £83.04 £79.72 £76.40 £74.74
370CAX Hammond Transformers Please Click Part Number For More Details £93.14 £89.42 £85.69 £83.83
370CX Hammond Transformers Please Click Part Number For More Details £89.68 £86.09 £82.50 £80.71
370DAX Hammond Transformers Please Click Part Number For More Details £89.68 £86.09 £82.50 £80.71
370DX Hammond Transformers Please Click Part Number For More Details £93.14 £89.42 £85.69 £83.83
370EX Hammond Transformers Please Click Part Number For More Details £102.35 £98.26 £94.16 £92.12
370FX Hammond Transformers Please Click Part Number For More Details £110.73 £106.30 £101.87 £99.66
370HX Hammond Transformers Please Click Part Number For More Details £140.25 £134.64 £129.03 £126.22
370JX Hammond Transformers Please Click Part Number For More Details £137.32 £131.83 £126.33 £123.59
370KX Hammond Transformers Please Click Part Number For More Details £142.60 £136.89 £131.19 £128.34
370LX Hammond Transformers Please Click Part Number For More Details £186.69 £179.22 £171.75 £168.02
370MX Hammond Transformers Please Click Part Number For More Details £189.73 £182.14 £174.55 £170.76
370X Hammond Transformers Please Click Part Number For More Details £81.63 £78.36 £75.10 £73.46
371X Hammond Transformers Please Click Part Number For More Details £85.07 £81.67 £78.26 £76.56
372BX Hammond Transformers Please Click Part Number For More Details £97.78 £93.87 £89.96 £88.01
372DX Hammond Transformers Please Click Part Number For More Details £108.07 £103.75 £99.43 £97.27
372FX Hammond Transformers Please Click Part Number For More Details £125.47 £120.45 £115.44 £112.93
372HX Hammond Transformers Please Click Part Number For More Details £142.57 £136.87 £131.16 £128.31
372JX Hammond Transformers Please Click Part Number For More Details £151.32 £145.27 £139.22 £136.19
372KX Hammond Transformers Please Click Part Number For More Details £207.02 £198.74 £190.46 £186.32
372LX Hammond Transformers Please Click Part Number For More Details £230.14 £220.93 £211.73 £207.12
372X Hammond Transformers Please Click Part Number For More Details £96.58 £92.71 £88.85 £86.92
373BX Hammond Transformers Please Click Part Number For More Details £129.18 £124.01 £118.84 £116.26
373DX Hammond Transformers Please Click Part Number For More Details £128.78 £123.63 £118.48 £115.90
373EX Hammond Transformers Please Click Part Number For More Details £194.21 £186.44 £178.67 £174.79
373FX Hammond Transformers Please Click Part Number For More Details £201.93 £193.86 £185.78 £181.74
373HX Hammond Transformers Please Click Part Number For More Details £216.87 £208.19 £199.52 £195.18
373JX Hammond Transformers Please Click Part Number For More Details £391.34 £375.69 £360.04 £352.21
373X Hammond Transformers Please Click Part Number For More Details £120.84 £116.01 £111.17 £108.76
374AX Hammond Transformers Please Click Part Number For More Details £119.58 £114.80 £110.02 £107.63
374BX Hammond Transformers Please Click Part Number For More Details £138.41 £132.88 £127.34 £124.57
374X Hammond Transformers Please Click Part Number For More Details £110.40 £105.98 £101.56 £99.36
375X Hammond Transformers Please Click Part Number For More Details £197.76 £189.85 £181.94 £177.98
376X Hammond Transformers Please Click Part Number For More Details £151.76 £145.69 £139.62 £136.58
378CX Hammond Transformers Please Click Part Number For More Details £188.25 £180.72 £173.19 £169.43
378X Hammond Transformers Please Click Part Number For More Details £175.33 £168.32 £161.31 £157.80
379WX Hammond Transformers Please Click Part Number For More Details £420.89 £404.06 £387.22 £378.80
379X Hammond Transformers Please Click Part Number For More Details £160.97 £154.53 £148.09 £144.87
382X Hammond Transformers Please Click Part Number For More Details £193.16 £185.43 £177.71 £173.84
384X Hammond Transformers Please Click Part Number For More Details £206.69 £198.43 £190.16 £186.02
Horizontal Mount ("Z" Mounting)
369KZ Hammond Transformers Please Click Part Number For More Details £149.85 £143.86 £137.86 £134.87
370DAZ Hammond Transformers Please Click Part Number For More Details £91.99 £88.31 £84.63 £82.79
370KZ Hammond Transformers Please Click Part Number For More Details £166.34 £159.68 £153.03 £149.70
373AZ Hammond Transformers Please Click Part Number For More Details £101.19 £97.14 £93.09 £91.07
373CZ Hammond Transformers Please Click Part Number For More Details £160.97 £154.53 £148.09 £144.87
373DZ Hammond Transformers Please Click Part Number For More Details £131.09 £125.84 £120.60 £117.98
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300 Series - Power - Classic Hole Voltage Tube Plate - Hammond Manufacturing Transformers - KGA Enclosures Ltd