30 Amp Controller
The MVC-30 incorporates revolutionary new internal switching control for simple, problem free operation. Also, the surge protection feature rivals that of expensive, commercial grade surge protectors.
Features
- Max. Boost 18%
- Surge protection to 1790 Joules
- 3,600 Watt Capacity
- Size W=5-3/4” L=9-3/4” H=13”
- Wt. 40 lbs.
- Made in USA
- 2 year limited warranty
- MSRP $1,750.00
50 Amp Controller
The MVC-50 is a dual transformer 50 amp controller for those pleasure craft and commercial vessels with a 50 amp power requirement. The VC-50 has the same outstanding control and surge features found in the VC-30.
Features
- Max. Boost 11%
- Surge protection to 3580 Joules
- 12,000 Watt Capacity
- Size W=5-3/4” L=9-3/4” H=13”
- Wt. 40 lbs.
- Made in USA
- 2 year limited warranty
- MSRP $1,750.00
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POWERMASTER MARINE VOLTAGE CONTROLLERS
Frequently Asked Questions
Q. What is low voltage?
A. Most appliance manufactures specify power usage described in watts at a voltage of 120V (+/- 10%). Life expectancy of these appliances can be greatly reduced, if operated at under 108 volts or over 132 volts (e.g. air conditioners, inverters, refrigerators, microwaves, TVs, etc.).
Q. I have a 50A boat. I stay mainly in 30A marinas; can I use a 30A voltage controller?
A. This is a common question that many have. The answer lies in the capability of the voltage controller. If you can keep your usage to less than 3,600 watts, the MVC-30 will work for you, but it is unlikely that a boat designed with 50A service will operate all (or most) of its appliances at such low levels. Usually 50A service is required on boats with multiple air conditioners.
Q. I have been told that voltage controllers steal power from others in the marina. Is this true?
A. The answer to this question is NO. How this got going, is beyond me. Anybody who has even the slightest knowledge of electricity knows that is impossible. What occurs when using voltage controllers is that a little less than one amp is consumed when incoming voltage is boosted ten volts. This is a mathematical equation as described in Ohms Law. The resulting higher voltage allows your boat to operate more efficiently when using its electrical appliances. I guess that when a fellow boater sees that you have a higher voltage than he has, he must think (using the term loosely) that you must be taking voltage from him.
Q. I have seen a couple of different manufactures of voltage controllers. Are their product all the same?
A. They're similar in that they perform the same general function. But like most types of products, voltage controllers vary in construction quality, durability, reliability and specifications (e.g. how much they boost and how well they'll protect your boat). Nobody can match the same mix of quality, protection and value that PowerMaster offers. In addition, PowerMaster is the only product of its kind suitable for small to medium-sized pleasure craft (sailboats, cabin cruisers, etc.) and yachts. The only similar products on the market are much larger, are five times as heavy and are at least twice the cost.
Q. Are PowerMaster Voltage Controllers surge protectors?
A. PowerMaster units do protect against surges (1,790 and 3,580 Joules for the 30- and 50-amp models respectively, which is roughly equivalent to anything less than a direct lightning strike, and is well over double the protection provided by other brands). It accomplishes this task through the use of MOVs (metal oxide varistors). Upon taking a high voltage hit, these devices direct the harmful high voltage to ground. They may, however, need to be replaced after such an event. If the MOVs on your unit need to be replaced, the status LEDs on your PowerMaster won't light.
Q. Is there a way that I can lock up my PowerMaster Voltage Controller?
A. Place the machine close to the dock power post. Using a bicycle cable lock; thread it through the welded handle and under the breaker box. PowerMaster Nautical Voltage Controllers don't give off much heat, so they can be stored in a small ventilated box or even an enclosed dock box if you provide them with a little room to "breathe".
Q. Are PowerMaster Voltage Controllers waterproof?
A. NO they are not! Although they are designed to be weatherproof for use either outside or inside your boat, "weatherproof" means that they are designed to withstand most any type of "normal" weather. If there are torrential rains or a nearby sprinkler, put a plastic grocery bag (or similar protective cover) over your PowerMaster or relocate it to a protected area.
Q. I purchased my PowerMaster Voltage Controller as a used machine. Is the warrantee still in effect?
A. As long as the unit is within its original warranty period, the warranty still applies and transfers with ownership.
Q. Where are PowerMaster Voltage Controllers made?
A. Although some or our component parts are made overseas, every PowerMaster is proudly made in the USA in Southern California.
Why do I need voltage control? | Owner's Guide | FAQs
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