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75 Amp switching power supply


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MFJ and Ameritron are the same company and same supply.

MFJ s heavy duty 75 Amp switching power supply is excellent for powering your HF mobile amplifier or your HF and VHF/UHF rigs and accessories.

It s great for Ameritron s Solid State Mobile HF Amplifier and others with a power requirement of up to 75 Amps.

MFJ-4275MV delivers 75 amps maximum and 70 amps continuously without even flexing its muscles. Plugs into any 110 VAC wall outlet.

It s highly regulated with load regulation better than 1%. Ripple voltage is less than 12 mV peak-to-peak at rated load.

No RFhash. MFJ s exclusive HashSQUASH? Filtering System eliminates RF hash that plagues other manufacturer s switching power supplies.

Fully protected. Your MFJ-4275MV has Short-Circuit, Overload and Over-Temperature protection systems. Also has an auto restart after a fault. Has power on and Fault LED indicators.

You get front panel adjustable voltage from 4.0 to 16 VDC. Front-panel meters with backlight let you monitor voltage and current simultaneously.

Attractive front panel features several options for connecting your gear: 1 pair of 5-way binding posts, 2 pairs of Anderson PowerPoles?, 1 pair of high-current 5-way binding posts, a cigarette socket for mobile accessories, and two pairs of quick connects.

Battery charging feature can be used to charge your car battery. Whisper quiet fan speed increases as load current increases and keeps components cool and protected.

Measures 9 " x 5 " x 9 ". It weighs just 10.5 lbs.

Shipping : Shipping container (double boxed)

  • INNER BOX: 12 lbs with a 14 x 13 x 9 box.

  • OUTER BOX: 15 lbs with a 20 x 14 x 14 box.

  • insured for $300 and signature required.

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Power Supply /Charger

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