Eaton RT20P11F75CUEE General purpose ventilated transformer - UL Listed
Part Number: RT20P11F75CUEE
Quick Summary
Eaton RT20P11F75CUEE is a general purpose ventilated transformer for marine-duty power distribution. Engineers often grapple with heat, space, and reliability constraints in harsh offshore environments. This model addresses those pains with a 75 kVA rating, copper windings, and a 115°C rise designed for continuous operation. It carries UL Listed and ABS Certified safety standards and is enclosed to NEMA 2 specifications, supporting rugged duty. Catalog notes also confirm NEMA TP-1 efficient operation, reinforcing long-term energy performance. For project teams, the combination of robust protection, defined tap settings, and compatible primary/secondary voltages translates into shorter installation cycles, lower lifecycle costs, and improved uptime in critical power infrastructure. Consider it when marine electrical systems demand dependable, compliant transformers with easy serviceability.
Product Information
Extended Description
RT20P11F75CUEE Eaton: Eaton General purpose ventilated transformer, Marine-duty, DS-3 (1-phase), PV 240 x 480V, Taps: 1 at +5%/2 at -5% x 2 at +2.5%/4 at -2.5%, SV 120/240V, 115°C rise, 75 kVA, Copper windings, EE
Product Name
Eaton General purpose ventilated transformer
Catalog Number
RT20P11F75CUEE
UPC
786680043635
Product Length/Depth
23.84 in
Product Height
42.03 in
Product Width
24.22 in
Product Weight
793 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed ABS Certified
Catalog Notes
NEMA TP-1 efficient
Coil material
Copper
Enclosure
NEMA 2
Frame
820
Tap size
1 at +5% FCAN, 2 at -5% FCBN x 2 at 2.5% FCAN, 4 at -2.5% FCBN
Type
Marine Duty Transformer
Frequency rating
60 Hz
Primary voltage
240 x 480 V
Secondary Voltage
120/240 V
Volt ampere rating
75 kVA
Feature: Marine-duty, single-phase design. Business Impact: Simplifies installation on vessels and platforms while delivering reliable power conversion in harsh environments. Application: Offshore rigs, ships, and coastal facilities needing steady 75 kVA service. Feature: Copper windings. Business Impact: High conductivity and durability reduce energy losses and extend transformer life in demanding applications. Application: Continuous duty electrical rooms and power distribution hubs. Feature: 60 Hz primary rating, 240 x 480 V and 120/240 V secondary. Business Impact: Flexible integration with common utility and on-board electrical systems, lowering the need for adapters. Application: Lightweight electrical rooms and compact switchgear footprints. Feature: Tap changer options (+5%, -5%, +2.5%, -2.5%). Business Impact: Fine-tuned voltage for responsive loads and improved stability across varying shipboard conditions. Application: Vessels with fluctuating bus voltages and critical instrumentation. Feature: 115°C rise rating with NEMA 2 enclosure. Business Impact: Robust thermal handling and protection against dust and water ingress, reducing maintenance intervals. Application: Harsh marine environments where reliability is non-negotiable. Feature: Certifications (UL Listed, ABS Certified). Business Impact: Compliance with safety and marine-regulatory requirements supports project approvals and insurance considerations. Application: Engineering specs, procurement approval, and QA documentation.
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FAQs
RT20P11F75CUEE is a 1-phase, 75 kVA transformer with a 240/480 V primary and 120/240 V secondary, designed for 60 Hz service. Its NEMA 2 enclosure and copper windings support secure installation in standard electrical rooms aboard ships and offshore platforms, with tap settings that accommodate voltage fluctuations to maintain deliverable loads.
The unit delivers 75 kVA with a primary of 240×480 V and a 120/240 V secondary. It features taps at +5% and -5% (and +2.5%, -2.5%) to adjust voltage and keep downstream equipment within tolerance. The 115°C rise rating supports continuous operation, while copper windings provide reliable conductivity and reduced losses compared to aluminum windings.
Yes. It is a marine-duty, single-phase transformer rated for demanding offshore environments. The enclosure is NEMA 2, the transformer uses copper windings for durability, and it carries UL Listed and ABS Certified safety standards, aligning with marine regulatory expectations and equipment protection requirements.
This model is UL Listed and ABS Certified, which supports compliance with national safety standards and marine-specific regulations. These certifications facilitate procurement approvals, insurance readiness, and site acceptance, especially for vessels and offshore installations where formal certification trails are required.
With a 75 kVA rating and copper windings, the RT20P11F75CUEE delivers efficient, durable power, reducing energy losses and maintenance cycles. The NEMA 2 enclosure and robust thermal design lower the risk of unscheduled downtime, while the 1-year warranty (per Eaton policy) provides initial risk reduction during commissioning.