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home > Hubbell HBL50AITSSB 15kVA 60Hz Isolation Transformer W/Boost > Hubbell HBL50AITSSB 15kVA 60Hz Isolation Transformer W/Boost
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Hubbell HBL50AITSSB 15kVA 60Hz Isolation Transformer W/BoostProtect your boat from the hidden dangers of shore power with a transformer designed specifically for the harsh marine environment. Uneven voltages, ground faults, and stray currents can lead to electrolytic corrosion, equipment damage, and safety hazards. This rugged 15kVA 60Hz isolation transformer with ISO Boost steps in as your first line of defense, delivering clean, stable power while adapting to voltage fluctuations common at marinas around the
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Protect your boat from the hidden dangers of shore power with a transformer designed specifically for the harsh marine environment. Uneven voltages, ground faults, and stray currents can lead to electrolytic corrosion, equipment damage, and safety hazards. This rugged 15kVA 60Hz isolation transformer with ISO-Boost steps in as your first line of defense, delivering clean, stable power while adapting to voltage fluctuations common at marinas around the world.

Why Marine Professionals Rely on This Isolation Transformer

In the world of boating, power quality isn't optional—it's essential. Dockside electricity often swings wildly due to shared pedestals or distant generators, risking everything from sensitive electronics to hull integrity. This unit provides full galvanic isolation, breaking DC paths that cause corrosion, and the integrated ISO-Boost feature automatically adjusts output to match your boat's needs, whether you're stateside or cruising international waters.

  • Cleaner Power Delivery: Dual full current-carrying shields eliminate noise and transients, ensuring your inverters, chargers, and appliances run smoothly without interference.
  • Battle-Tested Durability: Encapsulated core and coil in electrical-grade silica and resin seal out moisture, salt air, and contaminants. The UL Type 3R enclosure handles indoor or outdoor duty, shrugging off rain, humidity, and corrosion that plague lesser units.
  • Silent Guardian: Engineered for whisper-quiet operation, staying well under NEMA sound limits so it won't disrupt your onboard tranquility.
  • Extended Lifespan: Premium insulation systems—UL Class 155°C with 115°C rise for smaller loads, upgrading to 180°C for 1kVA and up—mean years of reliable service even under continuous marine stress.
  • Safety First: Surpasses ABYC's rigorous 4000 Volt HIPOT test, with listings from UL, CSA, and compliance to NEMA, ANSI, and OSHA standards.

Advanced Features Tailored for Boaters

Built by shore power specialists who understand the unique demands of the marine industry, this transformer incorporates smart engineering details that set it apart.

  • 12.5% Taps: Fine-tune voltage input for optimal performance, compensating for low marina supply without manual hassle.
  • Vibration-Resistant Construction: Absorbs the constant motion of a floating vessel, preventing loose connections or mechanical wear over time.
  • ISO-Boost Integration: Seamlessly boosts or bucks voltage by up to 12%, stabilizing power for 120V/240V split-phase systems common on American yachts.

Whether you're outfitting a sportfisher, cruiser, or liveaboard, this transformer's robust design ensures it integrates effortlessly into your electrical setup, safeguarding your investment season after season.

Compact Footprint for Easy Installation

Measuring just 16.94 inches high, 14.12 inches wide, and 11.69 inches deep, it fits snugly in tight engine rooms or lazarettes without dominating space. Weighing in at a manageable size for its power rating, it's straightforward to mount securely, even on pitching decks.

Specification Details
Capacity 15kVA, 60Hz
Enclosure UL-3R (Indoor/Outdoor)
Insulation Rise 115°C (with premium UL-rated systems)
Certifications UL Listed, CSA Certified, ABYC Compliant
Dimensions (H x W x D) 16.94" x 14.12" x 11.69"

Real-World Performance in Marine Settings

Captains report fewer inverter alarms, longer battery life, and zero corrosion worries after swapping in this transformer. It's particularly valuable for boats with extensive AC loads like air conditioning, watermakers, and laundry—keeping everything humming efficiently even when shore power dips to 100V or spikes unpredictably.

Frequently Asked Questions

What makes an isolation transformer essential for boats connected to shore power?

Shore power can introduce stray DC currents and ground faults that accelerate hull corrosion and damage electronics. This transformer provides galvanic isolation, breaking those paths while delivering clean AC power.

How does the ISO-Boost feature work?

ISO-Boost automatically adjusts voltage up or down by 12% to stabilize output, perfect for marinas with fluctuating supply, ensuring your boat's systems receive consistent 120/240V.

Is this transformer suitable for outdoor marine use?

Yes, the UL Type 3R enclosure is fully sealed against moisture, salt, and weather, rated for both indoor and outdoor service.

Why are the dual shields important?

Two full current-carrying shields filter out electromagnetic noise and transients, resulting in ultra-clean power that protects sensitive marine electronics.

Does it handle vibrations from boat movement?

Absolutely—its vibration-resistant design secures components against constant motion, ensuring long-term reliability at sea or dockside.

What insulation system does it use for longevity?

UL Class 155°C (115°C rise) for lower capacities, escalating to 180°C insulation with 115°C rise for 1kVA+, built to withstand marine heat and humidity.

How quiet is the operation compared to standards?

Sound levels are well below NEMA requirements, making it ideal for installations near living quarters without disturbing peace.

Hubbell 15kVA 60 Hz Isolation Transformer, With ISO-Boost

Model: HBL50AITSSB
  • UL listed, CSA certified and UL-3R enclosures meets or exceeds all listing criteria including NEMA, ANSI and OSHA standards
  • Shielded for cleaner power
  • Encapsulated and completely enclosed design electrical grade silica and resin compounds completely enclose the core and coil to seal out all moisture and air. UL Type 3R enclosure for indoor or outdoor service. Encapsulation eliminates corrosion and insulation deterioration
  • Quiet operation with sound levels well below NEMA standards
  • Long life UL class 155°C insulation system. 115°C rise thru .750 kVA; 180°C insulation system, 115°C rise, 1 kVA and above
  • Exceeds ABYC’s 4000 Volt HIPOT test requirement
  • Made for the Marine Industry by The Shore Power Experts
  • 12.5% Taps
  • Two Full Current-Carrying Shields
  • Vibration-Resistant
Dimensions 16.94"" H x 14.12"" W x 11.69"" D


SKU: NVN-1002594
MPN: HBL50AITSSB
UPC:

Hubbell HBL50AITSSB 15kVA 60Hz Isolation Transformer W/Boost

Item no : 53715458412
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