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KGA Enclosures Ltd
Tel: +44 (0)1535 636856
E-Mail: sales@kgaenclosures.com
Looking to purchase a product - Simply email your order to sales@kgaenclosures.com - Please include Parts Required & Shipping Address

Hammond Manufacturing - 300 Series Transformers

The 300 Series High Voltage (Plate) and Filament - 39 VA to 940 VA are all available here at KGA Enclosures. Great Low Prices, Great Service what more can we say.

300 Series High Voltage (Plate) and Filament - 39VA to 940VA
Product Details

  • Primary: Universal - 100, 110, 120, 200, 220, 230, 240 VAC 50/60Hz.
  • Note:Units are designed to operate with BOTH primary windings engaged.
  • Bias Tap: 50 VAC tap from high voltage Secondary C.T. (except part number 379WX - uses a separate 60VAc 0.2 Amp winding).
  • Highpot tested; 2,000VAC.
  • Faraday Copper Primary Shield: The electrostatic shield reduced 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 300BX) and 2A3 tubes (Part Number 302AX).
  • Finish: Black powder paint to match the 1650 Series of output transformers. Units can be run full wave bridge of full wave C.T.
  • Conservative designs - CSA certified (209651).

Related Products

Extra Product Resources

KGA Enclosures Ltd are full authorised distributors of the Hammond Manufacturing product range, this includes the full Enclosure, Transformer and Rack Systems product ranges. All Hammond's Transformers are available from KGA Enclosures Ltd to view the product range (Click Here) or to view the product price list (Click Here).

If you have any questions regarding any product or would like to inquiry about stock availability, pricing and customisation options, simply call +44 (0)1535 636856 or E-Mail sales@kgaenclosures.com, where we will be happy to assist you.

300 Series High Voltage (Plate) and Filament - 39VA to 940VA
300 Series Transformers Product Options
300 Series Transformers
Part No VA A.C. High Voltage Secondary R.M.S. Bias Tap on High Voltage Secondary with C.T. Grounded (VAC) Filament #1 (VAC) 1+ 10+ 25+ More
300BX 280 800V C.T. @ 288ma. 50 5V C.T. @ 1.2A £124.28 £114.33 £111.85 More....
302AX 198 600V C.T. @ 230ma. 50 2.5V C.T. @ 2.5A £97.16 £89.38 £87.44 More....
363AX 32 200V C.T. @ 115ma. 50 5V C.T. @ 2A £55.31 £50.88 £49.77 More....
363CX 119 360V C.T. @ 288ma. 50 5V C.T. @ 3A £66.66 £61.33 £60.00 More....
369AX 40 250V C.T. @ 115ma. 50 6.3V C.T. @ 2A £51.96 £47.80 £46.77 More....
369BX 39 300V C.T. @ 86ma. 50 6.3V C.T. @ 2A £51.98 £47.82 £46.78 More....
369EX 45 380V C.T. @ 75ma. 50 6.3V C.T. @ 2.5A £50.20 £46.19 £45.18 More....
369GX 50 450V C.T. @ 75ma. 50 6.3V C.T. @ 2.5A £51.96 £47.80 £46.77 More....
369HX 120 450V C.T. @ 150ma. 50 5V C.T. @ 3A £84.60 £77.84 £76.14 More....
369JX 50 500V C.T. @ 69ma. 50 6.3V C.T. @ 2.5A £53.25 £48.99 £47.93 More....
369KX 188 450V C.T. @ 300ma. 50 5V C.T. @ 3A £92.84 £85.41 £83.56 More....
370AX 44 480V C.T. @ 58ma. 50 6.3V C.T. @ 2.5A £55.37 £50.94 £49.83 More....
370BX 55 550V C.T. @ 58ma. 50 5V C.T. @ 2A £59.62 £54.85 £53.66 More....
370CAX 66 500V C.T. @ 81ma. 50 5V C.T. @ 2A £69.03 £63.51 £62.13 More....
370CX 59 550V C.T. @ 75ma. 50 6.3V C.T. @ 0.6A £67.41 £62.01 £60.66 More....
370DAX 76 520V C.T. @ 104ma. 50 6.3V C.T. @ 3.5A £67.41 £62.01 £60.66 More....
370DX 86 550V C.T. @ 104ma. 50 5V C.T. @ 2A £69.03 £63.51 £62.13 More....
370EX 119 550V C.T. @ 144ma. 50 5V C.T. @ 3A £76.91 £70.75 £69.21 More....
370FX 141 550V C.T. @ 173ma. 50 5V C.T. @ 3A £72.30 £66.52 £65.07 More....
370HX 180 550V C.T. @ 230ma. 50 5V C.T. @ 3A £73.44 £67.56 £66.10 More....
370JX 133 500V C.T. @ 161ma. 50 5V C.T. @ 3A £95.76 £88.10 £86.18 More....
370KX 229 500V C.T. @ 322ma. 50 5V C.T. @ 6A £99.41 £91.46 £89.47 More....
370LX 340 550V C.T. @ 460ma. 50 5V C.T. @ 6A £130.14 £119.73 £117.13 More....
370MX 403 550V C.T. @ 575ma. 50 5V C.T. @ 6A £132.23 £121.65 £119.01 More....
370X 41 480V C.T. @ 46ma. 50 5V C.T. @ 2A £60.68 £55.82 £54.61 More....
371X 63 560V C.T. @ 69ma. 50 5V C.T. @ 2A £63.95 £58.83 £57.55 More....
372BX 98 600V C.T. @ 115ma. 50 5V C.T. @ 2A £66.66 £61.33 £60.00 More....
372DX 127 600V C.T. @ 144ma. 50 5V C.T. @ 3A £79.48 £73.12 £71.53 More....
372FX 150 600V C.T. @ 173ma. 50 5V C.T. @ 3A £74.56 £68.60 £67.10 More....
372HX 191 600V C.T. @ 230ma. 50 5V C.T. @ 3A £106.70 £98.16 £96.03 More....
372JX 243 600V C.T. @ 288ma. 50 5V C.T. @ 4A £101.67 £93.54 £91.50 More....
372KX 432 600V C.T. @ 575ma 50 5V C.T. @ 6A £144.28 £132.74 £129.86 More....
372LX 520 600V C.T. @ 690ma 50 5V C.T. @ 6A £160.41 £147.57 £144.37 More....
372X 75 620V C.T. @ 81ma. 50 5V C.T. @ 2A £71.13 £65.44 £64.02 More....
373BX 187 700V C.T. @ 201ma. 50 5V C.T. @ 3A £81.33 £74.82 £73.20 More....
373DX 101 700V C.T. @ 104ma. 50 5V C.T. @ 2A £83.58 £76.89 £75.22 More....
373EX 311 650V C.T. @ 345ma. 50 5V C.T. @ 6A £135.36 £124.53 £121.82 More....
373FX 386 650V C.T. @ 460ma. 50 5V C.T. @ 6A £138.22 £127.16 £124.40 More....
373HX 369 700V C.T. @ 403ma. 50 5V C.T. @ 6A £151.17 £139.08 £136.05 More....
373JX 710 700V C.T. @ 863ma. 50 5V C.T. @ 6A £272.79 £250.97 £245.51 More....
373X 125 700V C.T. @ 127ma. 50 5V C.T. @ 2A £72.30 £66.52 £65.07 More....
374AX 136 720V C.T. @ 138ma. 50 5V C.T. @ 3A £84.15 £77.42 £75.74 More....
374BX 200 750V C.T. @ 201ma. 50 5V C.T. @ 3A £83.58 £76.89 £75.22 More....
374X 141 750V C.T. @ 127ma. 50 5V C.T. @ 3A £82.95 £76.31 £74.65 More....
375X 171 800V C.T. @ 155ma. 50 5V C.T. @ 3A £93.29 £85.82 £83.96 More....
376X 157 640V C.T. @ 173ma. 50 5V C.T. @ 3A £91.09 £83.81 £81.98 More....
378CX 465 800V C.T. @ 534ma. 50 6.3V C.T. @ 6A £136.00 £125.12 £122.40 More....
378X 237 800V C.T. @ 230ma. 50 5V C.T. @ 3A £101.67 £93.54 £91.50 More....
379WX 940 800V C.T. @ 1.06 A or 850V C.T. @ 1A 60* 6.3V C.T. @12A £296.20 £272.51 £266.58 More....
379X 193 850V C.T. @ 173ma. 50 5V C.T. @ 3A £99.42 £91.47 £89.48 More....
382X 283 1,000V C.T. @ 230ma. 50 5V C.T. @ 3A £110.69 £101.84 £99.62 More....
384X 329 1,200V C.T. @ 230mA 50 5V @ 3A £184.29 £169.55 £165.86 More....
See individual product data sheets for more detailed information
Horizontal Mount ("Z" Mounting)
Part No VA A.C. High Voltage Secondary R.M.S. Bias Tap on High Voltage Secondary with C.T. Grounded (VAC) Filament #1 (VAC) 1+ 10+ 25+ More
369KZ 188 450V C.T. @ 300 ma. 50 5V C.T. @ 3A P.O.A. P.O.A. P.O.A. More....
370DAZ 76 520V C.T. @ 104ma. 50 6.3V C.T. @ 3.5A £66.95 £61.59 £60.25 More....
370KZ 218 500V C.T. @ 300 ma. 50 5V C.T. @ 6A P.O.A. P.O.A. P.O.A. More....
373AZ 49 650V C.T. @ 46ma. 50 5V C.T. @ 2A £70.03 £64.43 £63.03 More....
373CZ 159 650V C.T. @ 173ma. 50 5V C.T. @ 3A £92.62 £85.21 £83.36 More....
373DZ 101 700V C.T. @ 104ma. 50 5V C.T. @ 2A £83.58 £76.89 £75.22 More....
See individual product data sheets for more detailed information
Hammond Manufacturing Customisation Services
Modified Electronic Enclosures
Almost every enclosure will need some kind of modification to be useful. In house modifications can be tedious, over complicated and a distraction from your main core business. A third party shop can add time and expense. Let us help you to deliver quality products made to your exact specifications.
Hammond Manufacturing Customisation Services
Why choose Hammond Manufacturing to modify your enclosure
  • Hammond Manufacturing offers a wide selection and massive inventory of enclosures ready to be modified.
  • Typically the minimum order quantity is 25 pieces. This can vary depending on product and service required. Please note KGA Enclosures does not add on any charges.
  • Hammond has an experience enclosure modification team and two dedicated modification facilities in North America and the United Kingdom. They are knowledgeable, available and capable.
  • Hammond Manufacturing helps eliminate scrap and design errors with approval drawings to confirm correct interpretation of your deign required. Many orders will also include a fast delivery of sample enclosures for your inspection. These steps ensure that your assembly fits perfectly before heading into the mass production stage.
Popular modification services offered:
  • Holes
  • Cutouts
  • Tapping and countersinking.
  • Pressed-in hardware (Studs, Standoffs)
  • Silk screening
  • UV Printing
  • Special colours
  • Special length extrusions
  • Pre-Installed accessories
  • Available services vary by product
Want to buy a product - Simply email your order to sales@kgaenclosures.com - Please include Parts Required & Shipping Address
Remember the Hammond Manufacturing Enclosure and Transformer Ranges are all available
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VAT No: GB 204612745
Business No: 09341700