Step Down Transformer
For Hot Wire foam cutters,
power supplies, electronics
150VA
110V/220V 50/60Hz input
6V/12V output
Series connected secondaries:
12 volts, 12.5 amps max rated output
Parallel connected secondaries:
6 volts, 25 amps max rated output
Wt: 5 lbs 13 oz
Other Transformers by JacobsOnline
50VA 110V/220V Input, 3V/6V Output
50VA 110V/220V Input, 12V/24 Output
100VA 110V/220V Input, 6V/12V output
100VA 110V/220V Input, 12V/24V output
150VA 110V/220V Input, 6V/12V output
150VA 110V/220V Input, 12V/24V output
300VA 110V/220V Input, 6V/12V output
Dimmer, Push-on, Push Off
Dimmer, Rotary On/Off
Nichrome Wire: see
my eBay store, many sizes and lengths 40 gage to 8 gauge, 5ft to 1 lb (lengths available depend on gage).
This transformer has two primary windings and two secondary windings, not a center tapped secondary, so when it is connected in parallel the output current rating is twice what it is when connected in series. The two primary windings are so the transformer can be used with either 110V or 220V input.
Transformers are new, never used (some minor cosmetic blemishes may exist). They are built specifically for Jacobs Online in a small transformer factory in Guangzhou China and built to our electrical specifications. At rated maximum current, the transformer will only be warm to the touch.
This is a great transformer for use with hot wire foam cutters. Put a dimmer switch and fuse in the hot leg of the primary winding, connect the output to your hot wire foam cutter nichrome wire, and you are ready to go.
Also use with nichrome wire for plastic sheet cutting, sealing, bending plastic, or any other heating application. Can be used for any electrical or electronic use where a 6V or 12V output is required.
Please note: ANY transformer will be damaged by exceeding the rated amps (or VA or watts) of the transformer. Transformers are tested before being shipped (in addition to testing at the factory) and guaranteed to be in proper working order. Damaged transformers WILL NOT be replaced.
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Additional Information for Foam Cutting
The chart below shows the range of lengths of different wire gauges for hot wire cutting at 800F that can be used with the transformer used with a dimmer. 600F is the normal foam cutting temperature but 800F is used to allow some adjustment. The maximum length is what can be used at full voltage, the minimum length corresponds to the lowest voltage available with a dimmer connected to the transformer. The dimmer MUST be turned down as the length of wire is decreased or diameter increased to prevent overloading the transformer.
The two graphs are for the two ways to connect the output wires for the two different voltages and maximum current rating. |