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60mA 15KV Current-Limited Transformer for Tesla Coils

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Price:
$399.95
SKU:
15KV/60MA-TC
Shipping:
Calculated at checkout


Product Description

We now have our own 15000 volt 60 ma current-limited transformers. These are brand new, factory-fresh transformers specially made for Tesla coils (can be used for JACOB’S LADDER and HIGH VOLTAGE POWER SUPPLIES and many other high-voltage applications.

They do not contain the GFI that is necessary for UL 2161 when used for neon sign applications therefore they should not be used for neon installs. These do not require the suppression circuits that normal neon Transformers do when used for Tesla coils except for two 300 to 1K 25 watt resistor on each electrode. These transformers also include a built-in radio frequency filter on each output for use in Tesla Coils. You can run four units in parallel this way. If you use more it is suggested using our SUP10 suppression circuit. Some builders place blocking high permeability toroids on the hv out leads next to the external resistors.

Notes: These operate from 115 vac, and up to 6 are easily parallel connected for higher power operation. Six units connected in this way can produce 15000 vac rms at 360 ma. This is enough power to make a large TESLA coil easily producing 10+ foot arcs (such as our BTC70).

Center point grounding can produce dangerous ground currents. Follow all safety rules dealing with high voltages. All transformers are open circuit tested at 1.2 x 120 vac for six hours before shipping.

Units are 10.75 x 6.4 x 5.25" and weigh 42 lbs. (Note that shipping weight is approximately 52 pounds and may exceed our website's estimation -- our shipping department will let you know if it is more, or please contact us by phone or email if you would like to know in advance.)

NOTE: 15kv 60mA non-GFI Transformer (includes two electrode resistors and BTC5 plans)

A secondary protection circuit schematic designed by the late DC Cox of Resonance Research is included and must be used for larger Tesla coil applications of more than 2 transformers, to protect the high voltage secondary from high frequencies, current, and voltage transients. (See the PDF schematic here.)

This protection circuit is also available as a kit, or fully assembled (SUP10).
suppression circuit
SUP10


A release of liability is required before purchase can be finalized -- please contact us to have it faxed or emailed to you, or simply download it by this link:

Please contact us for any volume purchasing requirements.

Note: these non-GFI transformers are NOT to be used with luminous tubes such as neon lighting. It is dangerous and illegal to do so.

Shipping Protection: please note that we run a bead of silicon around the base of the ceramic insulators, as we have found this to be the most reliable method of protecting them during shipment. Without this, the ceramic insulators can sometimes break during shipment at their narrower point where they enter the metal enclosure, so this bead of silicon is necessary to have in place. You may remove the silicon if you wish, although it adheses well to the metal and ceramic (which is how it protects the ceramic insulators during shipment), so it may take some detailed work to get it all off. Easiest thing is to just leave the silicon in place, as it is also an insulating material and will not effect the transformer's performance.

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