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ZRDTM is a full service Marine Electrical System Designer, High Output Alternator, Bracket,
Power Take Off (PTO) & Pulley, and DC Generator Manufacturer. If it has to do with a vessel's electrical system (marine charging or supply, Single or Dual Alternators,
12 volt DC,
24 volt DC,
37 volt DC,
48/56 volt DC,
120 volt AC, 208 volt AC, or 240 volt AC ),
ZRD is your source for answers, unique requirements, alternator parts and components (alternator mounting bracket, pulleys, universal adjustment arm, transient spike protectors,
alternator & battery temperature sensors, 3-stage external regulators, digital remote charging {for charging second battery bank, multiple battery banks, start battery (engine or generator),
windlass battery, thruster battery, ... from one charging source - alternator, shore charger, generator, ...}, ...), and Advanced Charging Solutions . We specialize in methodologies to select,
attach (mounting bracket), and install items for/in your vessel. If you need or desire a High Output Alternator, Serpentine or Multi-sheave Power Take Off (PTO) pulley, Lifeline
and Sun Xtender AGM Batteries, Generator (DC & AC), Superwind Wind Generators, Dedicated Marine Solar Panels Multi-Stage External Regulation, or Remote battery charging, you should
look no further. In addition, ZRD offers complete vessel refit and design services. Our expertise also covers marine air conditioning and refrigeration, especially, how
they interface with the electrical system. As a US Certified International Freight Forwarder, ZRD is able to ship our products Directly to you Worldwide.
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On ZRD alternator webpages, are views of ZRD manufactured Very High Output Alternators used in Second (Dual) Alternator installations and OEM first alternator replacements or upgrade.
The High Output Second (Dual) Alternator is available in 12vdc-220amp or 24vdc-90amp. OEM first
alternator replacements are available in 12vdc-94* amp or 24vdc-50 amp), with Internal or External Voltage
Regulation, and 3.15", 2", or 1" mounting styles. *12vdc - 120 and 140 amp is available (s/o) for post OEM warranty applications. The complete
line of ZRD manufactured High Output Alternator Solutions are available in: 12vdc (50 to 300+ amps),
24vdc (50 to 220 amps), and 37vdc & 48/56vdc (special order). To learn more
and see details, CLICK on any alternator picture above. The High Output Second (Dual) Alternator web page has a Movie Icon allowing you to view a few clips (abbreviated 70sec mp4) taken from a
20 minute ZRD High Output Alternator instructional installation video.
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Finally, you have found what you have been searching for - Without question or compromise, the best DC Generators available. A complete line of DC Generators that offer a multitude of
voltages (12 volt DC, 24 volt DC, 37 volt DC, and
48/56 volt DC) and amperage output combinations up to 800amps are available. Some 12 and 24 vdc
models are available with external regulation. All designs have full throttle control capability. The ZRD DC Generator solution shown above (ZDCGE1222) may have up to 66 times (6,600%)
more amperage available for battery bank charging and may also only require 7% of the engine run time compared to some 120vac Generators using a standard battery charger. Like everything ZRD
manufactures, it is the "Rolls Royce" of the industry, but at unexpected affordable pricing.
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