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Mastervolt 88000705 Mass GI 7 Isolation Transformer 7000W 32A

Manufacturer

MasterVolt

<h3>MasterVolt: Autonomous Power Solutions for Demanding Applications</h3><p>MasterVolt has earned its reputation as a global leader in autonomous electrical power systems by combining cutting-edge technology with uncompromising reliability. As specialists in the management, conversion, and storage of electrical energy, MasterVolt offers a comprehensive product portfolio with a power range from 300 W to 40 kWatt, making them a trusted choice for marine, RV, industrial, and off-grid applications where dependable power is non-negotiable.</p><p>Part of the Navico Group, MasterVolt benefits from decades of engineering excellence and a deep understanding of harsh operating environments. The brand's philosophy centers on providing integrated electrical systems that work seamlessly together, from power generation and storage to conversion and intelligent monitoring. With offices and partners in more than 80 countries, MasterVolt delivers global support backed by local expertise, ensuring customers have access to technical assistance wherever their adventures or operations take them.</p><h3>Engineered for Performance in Extreme Conditions</h3><p>What distinguishes MasterVolt from competitors is their systems-focused approach to electrical power. Rather than selling isolated components, MasterVolt designs products that communicate through their proprietary MasterBus platform, enabling comprehensive system monitoring and control. This integration is particularly valuable in complex installations where multiple power sources, battery banks, and loads must work in harmony.</p><p>The brand's product lineup addresses every aspect of autonomous power management. Their advanced <a href="/11274-mastervolt-battery-chargers-200141">battery chargers</a> utilize sophisticated multi-stage charging algorithms optimized for various battery chemistries, from traditional AGM to cutting-edge lithium-ion technologies. These chargers are engineered to maximize battery life while minimizing charging time—a critical consideration for users who depend on limited generator runtime or solar input.</p><p>Equally important to any robust electrical system are <a href="/11274-mastervolt-battery-isolators-voltage-sensitive-relays-200144">battery isolators and voltage sensitive relays</a>, which intelligently manage current flow between multiple battery banks. MasterVolt's approach to battery isolation ensures that essential loads always have priority access to power while auxiliary batteries charge efficiently when surplus capacity is available. This intelligent power distribution prevents the all-too-common scenario of a depleted starting battery.</p><h3>Trusted in the World's Most Demanding Environments</h3><p>MasterVolt specializes in managing, monitoring, converting and storing power for marine, mobile and industrial applications, environments where equipment faces constant vibration, temperature extremes, moisture exposure, and the consequences of power system failure can be severe. Their products are built to withstand these challenges while maintaining precise voltage regulation and clean power output that protects sensitive electronics.</p><p>Whether powering a blue-water cruising yacht, equipping an overland expedition vehicle, or providing backup power for critical infrastructure, MasterVolt delivers the reliability and performance that professionals demand. Their commitment to innovation ensures that every product represents the latest advances in power electronics, energy efficiency, and user-friendly operation.</p>

Part Number

88000705
06/02/2036 7:09 PM
Sale Price

$2,430.80

2 left at this price

delivery box

Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Mastervolt Mass GI 7 is a high-frequency isolation transformer designed to provide galvanic isolation between AC shore power and your vessel's onboard electrical system. Using advanced switch-mode technology, this unit eliminates the heavy, bulky components of traditional transformers, resulting in a compact and lightweight design that delivers 7000 watts of continuous power.

Galvanic Isolation Protection: The Mass GI 7 creates electrical separation between shore power and your boat's AC system, preventing galvanic corrosion that can damage underwater gear, through-hull fittings, props, shafts, and aluminum hulls. This protection is essential when connecting to questionable shore power systems or when neighboring vessels may be transmitting stray currents through the water.

Key Features:

  • Compact High-Frequency Design: Solid-state switch-mode technology eliminates traditional heavy transformer cores, delivering full 7000VA capacity in a unit weighing just 22 pounds
  • Universal Voltage Compatibility: Accepts input voltage from 90-255V AC and frequency from 45-65 Hz, maintaining the same output voltage and frequency (±5%) for worldwide compatibility
  • Scalable Capacity: Multiple units can be parallel-coupled through MasterBus communication to double or triple capacity as needed
  • Integrated Soft Start: Manages inrush current when connecting to shore power, with LED indicator displaying load status
  • Silent Operation: No vibration or hum allows installation in any orientation on walls or floors without rubber isolation mounts
  • MasterBus Integration: Connects to Mastervolt's MasterBus network for remote monitoring, alarm notification, parallel configuration, and integration with other onboard systems
  • Variofan Cooling: Variable-speed fan cooling adjusts based on load and temperature for efficient, quiet operation

Technical Specifications:

  • Nominal Power: 7000 VA at 230V
  • Continuous Input Current: 32A at 230V
  • Efficiency: 93%
  • No-Load Consumption: 44W
  • Operating Temperature: 0-40°C (32-104°F) with 5% derating per °C above 40°C
  • Protection: IP21 rated, B-characteristic circuit breaker behavior
  • Maximum Humidity: 95% relative humidity

Package Includes: Mass GI 7 transformer, MasterBus cable, MasterBus terminator, and installation manual.

Products specifications

Amperage

140 Amps

Type

Battery Isolator/Combiners

Voltage

12 Volts DC

Multi Bank Chargers

2 Banks

good price hope it stay that way I will be back soon

Easy

Great service with the best prices I could find online. I will be ordering from them again!

The order was shipped quickly and 100% accurate. I recommend Autoplicity for your needs.

so far so good

Excellent product and fast service!! Great seller with great products!! Fast shipping, no hassles!! AAA+++

Received Monroe MA770 air shock, fit just wonderful and the installation was easy.

fast and easy

quick, but not pictured :(

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