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Contact Us By Email: sales@kgaenclosures.co.uk
Contact Us By Phone: 01535 636856
Please Note our NEW e-mail addresses: sales@kgaenclosures.co.uk or gary@kgaenclosures.co.uk

300P Series | Potted High Voltage (Plate) and Filament - 40 VA to 243 VA
Universal Primary and 50/60 Hz. Operation.

Product Features
  • A perfect match to our 1650P Series of potted output transformers.
  • Enclosed in a drawn steel case, the transformer is completely potted in epoxy.
  • Mounting hardware included.
  • Primary: Universal 100, 110, 120, 200, 220, 240 VAC 50/60 Hz.
  • Bias Tap: 50 VAC from high voltage secondary CT.
  • Hipot tested: 2,000 VAC.
  • Faraday copper primary shield: Our electrostatic shield reduces the capacitive coupling from the primary - greatly attenuating higher frequency current coupling to the secondaries (shield is internally grounded to end bell).
  • Windings: Concentric wound for low stray field and low noise.
  • Finish: Black powder paint to match our 1650P Series of potted output transformers.
  • Units can be run full wave bridge or full wave CT.
  • cUL US recognized (#E207860).
Hammond Manufacturing Transformers:
KGA Enclosures Ltd is a fully authorised distributor of the 300P Series from Hammond Manufacturing Transformers. We also stock the entire Hammond Manufacturing Transformers range at great competitive pricing and with full customisation options on all applicable products.

Please remember to always use approved distributors like KGA Enclosures Ltd as some companies sell knock-offs and copies, so using approved suppliers assures you receive a genuine product.

To purchase a product, request a quote/lead time and for all other general enquires, please use our contact form to contact us. We aim to respond promptly to all enquires. Payment options include Bank Transfer, PayPal and Credit/Debit cards. Unfortunately, we do not accept cash and cheques.
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300P Series | Hammond Manufacturing Transformers | KGA Enclosures Ltd
Product Options
For all ordering, price confirmation and lead times, please email us or call us on (+44) 01535 636856
Part No VA AC High Voltage Secondary RMS Bias Tap with High Voltage CT Grounded (VAC) Filament No. 1 (VAC) Filament No. 2 (VAC) 1+ 5+
369AXP 40 250 V CT at 115 mA. 50 6.3 V CT at 2 A - £254.24 £244.07
369GXP 50 450 V CT at 74 mA. 50 6.3 V CT at 2.5 A - £254.11 £243.95
369JXP 50 500 V CT at 69 mA. 50 6.3 V CT at 2.5 A - £254.40 £244.22
370CAXP 66 500 V CT at 81 mA. 50 5 V CT at 2 A 6.3 V CT at 2.5 A £257.76 £247.45
370DAXP 76 520 V CT at 104 mA. 50 6.3 V CT at 3.5 A - £255.92 £245.68
370DXP 86 550 V CT at 104 mA. 50 5 V CT at 2 A 6.3 V CT at 3 A £258.63 £248.29
370EXP 119 550 V CT at 144 mA. 50 5 V CT at 3 A 6.3 V CT at 4 A £277.90 £266.79
370FXP 141 550 V CT at 173 mA. 50 5 V CT at 3 A 6.3 V CT at 5 A £357.50 £343.20
370HXP 180 550 V CT at 230 mA. 50 5 V CT at 3 A 6.3 V CT at 6 A £411.50 £395.04
370XP 41 480 V CT at 46 mA. 50 5 V CT at 2 A 6.3 V CT at 1.5 A £259.53 £249.15
372FXP 150 600 V CT at 173 mA. 50 5 V CT at 3 A 6.3 V CT at 5 A £402.97 £386.85
372HXP 191 600 V CT at 230 mA. 50 5 V CT at 3 A 6.3 V CT at 6 A £411.01 £394.57
372JXP 243 600 V CT at 288 mA. 50 5 V CT at 4 A 6.3 V CT at 8 A £455.93 £437.69
372XP 75 620 V CT at 81 mA. 50 5 V CT at 2 A 6.3 V CT at 2.4 A £260.48 £250.06
373XP 125 700 V CT at 127 mA. 50 5 V CT at 2 A 6.3 V CT at 4 A £277.72 £266.61
374AXP 136 720 V CT at 138 mA. 50 5 V CT at 3 A 6.3 V CT at 3.5 A £277.47 £266.37
374BXP 200 750 V CT at 201 mA. 50 5 V CT at 3 A 6.3 V CT at 6 A £414.69 £398.10
374XP 141 750 V CT at 127 mA. 50 5 V CT at 3 A 6.3 V CT at 5 A £400.25 £384.24
375XP 171 800 V CT at 155 mA. 50 5 V CT at 3 A 6.3 V CT at 5 A £404.84 £388.64
376XP 157 640 V CT at 173 mA. 50 5 V CT at 3 A 6.3 V CT at 5 A £401.43 £385.37
For product compatibility and more information, please click part number or view our product data sheet.

300P Series | Power - Classic High Voltage Tube Plate | Hammond Manufacturing Transformers | KGA Enclosures Ltd

Hammond Manufacturing Customisation Services
Product Customisation Options:
What makes KGA Enclosures Ltd different from most other larger distributors is that we can offer full customisation services on all enclosures and accessories. All customisation work is undertaken by the relevant supplier, (some smaller production runs are done by utilizing an outside contractor) at their own manufacturing facilities. These services include milling or punching holes and slots into the enclosure or end plates for cables, connectors, switches, etc. Printing and silk-screening services all for the addition of text, logos, and graphics onto both the enclosure and end plates, to allow the end user to easily identify the product, and to allow the final product to look more elegant. Contact us today to see how we can assist you.
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 core business. A third party shop can add time and expense. Let us help you by delivering quality products made to your exact specifications.
Why Use Hammond Manufacturing?
  • Hammond offers a wide selection and massive inventory ready to be modified.
  • Typically, the minimum order is 25 units. This can vary depending on the product and services required.
  • Hammond has an experience enclosure modification team and two dedicated modification facilities located in North America and Europe. We are knowledgeable, available, and capable.
  • Hammond helps eliminate scrap and design errors with approval drawings to confirm correct interpretation of your design requirements. Many orders will also include fast delivery of sample enclosures for inspection. These steps ensure that your assembly fits perfectly before heading to the 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.
Customisation Serices | Hammond Manufacturing | KGA Enclosures Ltd

300P Series | Hammond Manufacturing Transformers | Enclosures - Racks - Transformers - Components


Contact KGA Enclosures
Call Us: (+44) 01535 636856
E-Mail - Sales: sales@kgaenclosures.co.uk
E-Mail - Gary (MD): gary@kgaenclosures.co.uk
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Postal Address
44 Egroms Lane
Withernsea
East Riding of Yorkshire
HU19 2LZ (UK)
VAT No. GB 204612745
KGA Enclosures Ltd (2026)
Business No. 09341700