PWM30 is the perfect HHO ortho hydrogen producer. Featuring "current limiting" and easy wiring harness & 40 amp relay.  It is roughed, robust PWM for Hydrogen Cell operation. Can handle up 75 amp voltage spikes. Can handle 24/7 - 30 amps, if needs be. It can handle 75 amp voltage spikes. This new version made at Hydrogen Garage has a new mosfet driver that keeps it cooler and a sharper square wave. It has "current limiting" capabilities. It has freq. adjustment (200hz. to 2.0Khz) and duty cycle adjustment. Internal fan keeps it running cool.  Features 1 power mosfets, large 12K capacitor, extruded aluminum 1/16" thick walled box.  Heatsink, fan, a hardy PWM that will not burn up. It can handle 24/7.

Add a set of RF Chokes and get a taller voltage spike that creates 10% to 15% more gas output! and a higher quality gas to boot! Does NOT draw any more amps, or volts, just makes more GAS!!  Install between your PWM and your cell.

Box size : 4" wide x 3.1" x 2" tall

Specifications
Input voltage .................................... +12 to +18 VDC
Max continuous output current ............ 35 Amps
Operating temperature range.............. -25 to +85 *C
Current regulation............................. >100:1
Frequency Range (+/- 10%) ............... 100Hz-2.5KHz
and guaranteed to keep on working, if hooked up correctly.

We can guarantee you a good % of "Ortho" hydrogen from our low voltage cell designs. The main purpose of the PWM in electrolysis is too make this magnetic hydrogen & oxygen, not non magnetic para hydrogen. 100% ortho hydrogen is 4x's more powerful than 100% para hydrogen!! Also with this PWM, you can set the amp draw and it will stay close to what you set it, no matter the electrolyte concentration

All brute force electrolyzers will warm up, even the most efficient ones. At the end of a day current can be easily three times as much as what you started with at the beginning of the day. Without a PWM the problem becomes finding the correct electrolyte concentration for an entire day of driving. If you start out weak then production is very slow to start out with and you lose the benefits until much later in the day. If you start out strong enough to see benefits right away, by the end of the day you're blowing fuses or greatly stressing your alternator.

With a current limited PWM you set your electrolyte for the target operating current at the beginning of the day. To start the output duty cycle is 90%. Half way through the day as the cell is getting warm it may want to draw twice as much current from straight DC. The PWM, sensing that twice as much current is flowing every time it switches on, rolls back the duty cycle to 50%, thus maintaining the same average current. At the end of day when the cell wants to draw three times as much current the PWM is operating at 33% duty cycle. ( All our PWM's are repairable, we can help you fix the PWM if ever needed. All parts are replaceable. We stock them here.)

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