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KGA Enclosures Ltd
Tel: +44 (0)1535 636856
E-Mail: sales@kgaenclosures.com
300 Series High Voltage (Plate) and Filament
300 Series Transformers - Hammond Manufacturing Transformers

KGA Enclosures Ltd are full authorised distributors of the Hammond Manufacturing Transformers product range. Adding the Hammond Transformers range has enabled KGA Enclosures to offer a new line of products, we now carry a large range of Audio Transformers, Power Transformers, Chokes and Reactors. All Hammond Manufacturing Transformers are available from KGA Enclosures, view the product range (Click Here) or view the product price list (Click Here). If you have any questions regarding any product offered here at KGA Enclosures Ltd please call 01535 636856 or E-Mail sales@kgaenclosures.com.

What makes KGA Enclosures Ltd different from most other large distributors is that we can assist you with your full customisation services. All work is undertaken by Hammond Manufacturing Enclosures at there manufacturing facilities. These services inlcudes milling or punching of holes and slots into the enclosure and endplates for cables, connectors, etc. Printing and silk screening services which allows for the addidtion of text, logo's and graphics onto both the enclosure and end plates, which allows the end user to easily identify the product. All customisation charges and minimum order quantities are set by Hammond Manufacturing, KGA Enclosures does not add any other charges on. For more information or a free quote simply send your technical drawings and enclosure required to sales@kgaenclosures.com where we will be happy to assist you. Click here for more information on customisation options.

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.
     • See primary wiring information under resources.
• Bias Tap: 50 VAC tap from high voltage secondary C.T. (except part number 379WX - uses a separate 60VAC 0.2 Amp winding).
• High pot 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 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.
• 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.
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+ 50+ 100+ 500+
363AX 32 200V C.T. @ 115ma. 50 5V C.T. @ 2A £60.84 £57.79 £54.75 £51.71 £48.67
369AX 40 250V C.T. @ 115ma. 50 6.3V C.T. @ 2A £57.16 £54.30 £51.44 £48.58 £45.72
369BX 39 300V C.T. @ 86ma. 50 6.3V C.T. @ 2A £57.17 £54.31 £51.46 £48.60 £45.74
363CX 119 360V C.T. @ 288ma. 50 5V C.T. @ 3A £73.33 £69.66 £65.99 £62.33 £58.66
369EX 45 380V C.T. @ 75ma. 50 6.3V C.T. @ 2.5A £55.23 £52.46 £49.70 £46.94 £44.18
369HX 120 450V C.T. @ 150ma. 50 5V C.T. @ 3A £93.06 £88.41 £83.75 £79.10 £74.45
369KX 188 450V C.T. @ 300ma. 50 5V C.T. @ 3A £102.12 £97.01 £91.91 £86.80 £81.69
370X 41 480V C.T. @ 46ma. 50 5V C.T. @ 2A £66.74 £63.41 £60.07 £56.73 £53.39
370AX 44 480V C.T. @ 58ma. 50 6.3V C.T. @ 2.5A £60.90 £57.86 £54.81 £51.77 £48.72
369GX 50 450V C.T. @ 75ma. 50 6.3V C.T. @ 2.5A £57.16 £54.30 £51.44 £48.58 £45.72
369JX 50 500V C.T. @ 69ma. 50 6.3V C.T. @ 2.5A £58.58 £55.65 £52.72 £49.79 £46.86
370CAX 66 500V C.T. @ 81ma. 50 5V C.T. @ 2A £75.93 £72.14 £68.34 £64.54 £60.75
370JX 133 500V C.T. @ 161ma. 50 5V C.T. @ 3A £105.34 £100.07 £94.80 £89.54 £84.27
370KX 229 500V C.T. @ 322ma. 50 5V C.T. @ 6A £109.35 £103.88 £98.41 £92.94 £87.48
370DAX 76 520V C.T. @ 104ma. 50 6.3V C.T. @ 3.5A £74.15 £70.44 £66.74 £63.03 £59.32
370BX 55 550V C.T. @ 58ma. 50 5V C.T. @ 2A £65.59 £62.31 £59.03 £55.75 £52.47
370CX 59 550V C.T. @ 75ma. 50 6.3V C.T. @ 0.6A £74.15 £70.44 £66.74 £63.03 £59.32
370DX 86 550V C.T. @ 104ma. 50 5V C.T. @ 2A £75.93 £72.14 £68.34 £64.54 £60.75
370EX 119 550V C.T. @ 144ma. 50 5V C.T. @ 3A £84.60 £80.37 £76.14 £71.91 £67.68
370FX 141 550V C.T. @ 173ma. 50 5V C.T. @ 3A £79.53 £75.55 £71.58 £67.60 £63.62
370HX 180 550V C.T. @ 230ma. 50 5V C.T. @ 3A £80.78 £76.74 £72.71 £68.67 £64.63
370LX 340 550V C.T. @ 460ma. 50 5V C.T. @ 6A £143.15 £136.00 £128.84 £121.68 £114.52
370MX 403 550V C.T. @ 575ma. 50 5V C.T. @ 6A £145.45 £138.18 £130.90 £123.63 £116.36
371X 63 560V C.T. @ 69ma. 50 5V C.T. @ 2A £70.34 £66.82 £63.31 £59.79 £56.27
372BX 98 600V C.T. @ 115ma. 50 5V C.T. @ 2A £73.33 £69.66 £65.99 £62.33 £58.66
372DX 127 600V C.T. @ 144ma. 50 5V C.T. @ 3A £87.43 £83.06 £78.69 £74.32 £69.95
372FX 150 600V C.T. @ 173ma. 50 5V C.T. @ 3A £82.02 £77.92 £73.82 £69.72 £65.62
302AX 198 600V C.T. @ 230ma. 50 2.5V C.T. @ 2.5A £106.87 £101.53 £96.18 £90.84 £85.50
372JX 243 600V C.T. @ 288ma. 50 5V C.T. @ 4A £111.84 £106.25 £100.65 £95.06 £89.47
372KX 432 600V C.T. @ 575ma 50 5V C.T. @ 6A £158.71 £150.78 £142.84 £134.91 £126.97
372LX 520 600V C.T. @ 690ma 50 5V C.T. @ 6A £176.45 £167.63 £158.81 £149.98 £141.16
372X 75 620V C.T. @ 81ma. 50 5V C.T. @ 2A £78.24 £74.33 £70.42 £66.51 £62.59
376X 157 640V C.T. @ 173ma. 50 5V C.T. @ 3A £100.20 £95.19 £90.18 £85.17 £80.16
373EX 311 650V C.T. @ 345ma. 50 5V C.T. @ 6A £148.90 £141.45 £134.01 £126.56 £119.12
373FX 386 650V C.T. @ 460ma. 50 5V C.T. @ 6A £152.03 £144.43 £136.83 £129.23 £121.62
373DX 101 700V C.T. @ 104ma. 50 5V C.T. @ 2A £91.94 £87.34 £82.74 £78.15 £73.55
373X 125 700V C.T. @ 127ma. 50 5V C.T. @ 2A £79.53 £75.55 £71.58 £67.60 £63.62
373BX 187 700V C.T. @ 201ma. 50 5V C.T. @ 3A £89.46 £84.99 £80.52 £76.04 £71.57
373HX 369 700V C.T. @ 403ma. 50 5V C.T. @ 6A £166.29 £157.97 £149.66 £141.34 £133.03
373JX 710 700V C.T. @ 863ma. 50 5V C.T. @ 6A £300.07 £285.07 £270.06 £255.06 £240.06
374AX 136 720V C.T. @ 138ma. 50 5V C.T. @ 3A £92.57 £87.94 £83.31 £78.68 £74.05
374X 141 750V C.T. @ 127ma. 50 5V C.T. @ 3A £91.25 £86.68 £82.12 £77.56 £73.00
374BX 200 750V C.T. @ 201ma. 50 5V C.T. @ 3A £91.94 £87.34 £82.74 £78.15 £73.55
375X 171 800V C.T. @ 155ma. 50 5V C.T. @ 3A £102.61 £97.48 £92.35 £87.22 £82.09
378X 237 800V C.T. @ 230ma. 50 5V C.T. @ 3A £111.84 £106.25 £100.65 £95.06 £89.47
300BX 280 800V C.T. @ 288ma. 50 5V C.T. @ 1.2A £136.70 £129.87 £123.03 £116.20 £109.36
378CX 465 800V C.T. @ 534ma. 50 6.3V C.T. @ 6A £149.59 £142.11 £134.63 £127.15 £119.67
379WX 940 800V C.T. @ 1.06 A or 850V C.T. @ 1A 60* 6.3V C.T. @12A £325.83 £309.53 £293.24 £276.95 £260.66
379X 193 850V C.T. @ 173ma. 50 5V C.T. @ 3A £109.36 £103.89 £98.43 £92.96 £87.49
384X 329 1,200V C.T. @ 230mA 50 5V @ 3A £202.72 £192.58 £182.45 £172.31 £162.18
For more detailed information please click part number
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+ 50+ 100+ 500+
370DAZ 76 520V C.T. @ 104ma. 50 6.3V C.T. @ 3.5A £73.64 £69.96 £66.28 £62.59 £58.91
373AZ 49 650V C.T. @ 46ma. 50 5V C.T. @ 2A £77.04 £73.19 £69.33 £65.48 £61.63
373CZ 159 650V C.T. @ 173ma. 50 5V C.T. @ 3A £101.89 £96.79 £91.70 £86.60 £81.51
373DZ 101 700V C.T. @ 104ma. 50 5V C.T. @ 2A £91.94 £87.34 £82.74 £78.15 £73.55
369KZ 188 450V C.T. @ 300 ma. 50 5V C.T. @ 3A POA POA POA POA POA
370KZ 218 500V C.T. @ 300 ma. 50 5V C.T. @ 6A POA POA POA POA POA
For more detailed information please click part number
Hammond Manufacturing Enclosures Customisation Options
Modified Electronic Enclosures
Product Customisation Services - Hammond Manufacturing 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.
Why choose Hammond to modify your enclosure
• Hammond Manufacturing offers a wide selection and massive inventory of enclosure ready to be modified.
• Typically the minimum order piece is 25 pieces. This can very depending on product and services required. Please note KGA Enclosures does not add on any charges.
• Hammond has an experienced 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 design required. Many orders will also include fast deliver of sample enclosures for your inspection. These steps ensure that your assembly fits perfectly before heading into the mass production stage.
Popular modifications 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.
Contact Details
Call Us +44 (0)1535 636856
E-Mail Us sales@kgaenclosures.com
Go Home https://www.kgaenclosures.com
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VAT No: GB 204612745
Business No: 09341700