Eaton T20P11S05NV Transformer - DS-3 Totally Enclosed
Part Number: T20P11S05NV
Quick Summary
The Eaton T20P11S05NV Transformer delivers reliable power isolation and distribution for industrial control panels. Engineers often wrestle with space limitations, heat buildup, and maintenance demands in compact dry-type solutions. Certifications: Contact Manufacturer for details; DS-3 design aligns with common industrial standards. This model combines aluminum windings and a DS-3 configuration with a 150°C rise, delivering a compact 5 kVA, single-phase solution that supports easy integration in power management and distribution workflows while reducing lifecycle costs.
Product Information
Extended Description
T20P11S05NV Eaton: General-Purpose Transformer, Ventilated, Dry Type Distribution, DS-3, Single-phase, PV: 240 X 480V, Taps: 1 at +5% FCAN, 2 at -5% FCBN X 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 120/240V, 150°C, 5 kVA, Al windings, Frame: 815N
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
T20P11S05NV
UPC
786685267272
Product Length/Depth
15.82 in
Product Height
30.25 in
Product Width
16.87 in
Product Weight
171 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
Contact Manufacturer
Catalog Notes
Totally enclosed non-ventilated DS-3 or DT-3
Coil material
Aluminum
Design
DS-3
Frame
815N
Tap size
1 at +5% FCAN, 2 at -5% FCBN x 2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Kva Rating
5 kVA
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
150 °C rise
Feature DS-3 dry-type design → Business Impact Safe, low-maintenance installation for indoor panels → Application Ideal for compact control panels and machine serves. The Eaton T20P11S05NV supports 5 kVA single-phase loads, enabling predictable start-up and steady output in standard panel builds → Application Reduces panel footprint and simplifies electrical room planning; improves uptime in manufacturing environments. Aluminum windings → Business Impact Lightweight, corrosion-resistant construction with good thermal performance → Application Suitable for varied facility environments and easier handling during installation. Tap settings 1 at +5% FCAN, 2 at -5% FCBN x 2 at +2.5% FCAN, 4 at -2.5% FCBN → Application Maintains output stability under voltage fluctuations in nearby feeders. Frame 815N, Dimensions 15.82 in L × 16.87 in W × 30.25 in H; Weight 171 lb → Business Impact Compact footprint supports tight enclosures while providing robust 5 kVA capacity. Totally enclosed non-ventilated enclosure → Application Safe indoor operation with reduced dust ingress and fewer external cooling requirements, lowering maintenance and allowing straightforward mounting in standard electrical rooms. Warranty: Eaton policy 25-000, one year from installation or 18 months from shipment → Business Impact Clear coverage and predictable maintenance planning for projects and service contracts.
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FAQs
Install the transformer with the DS-3 enclosure in an indoor electrical room or panel. Connect primary to 240 V or 480 V depending on supply, and secondary to 120/240 V loads. Use the provided taps to adjust voltage as needed (+5%, -5%, +2.5%, -2.5%). Verify clearance and mounting with the 815N frame and ensure the enclosure remains totally enclosed to protect from dust and moisture.
The unit is a single-phase, 5 kVA dry-type distribution transformer operating at 60 Hz. Primary voltages are 240 V or 480 V, with a secondary of 120/240 V. It uses aluminum windings, has a 150 °C rise rating, and is built in a DS-3 enclosure with a frame 815N. Output can be fine-tuned using the tap settings listed in the data sheet.
Yes. Its 5 kVA single-phase rating, DS-3 dry-type design, and compact footprint make it ideal for control panels, machine-building, and auxiliary power distribution in manufacturing environments. Aluminum windings improve efficiency and heat management, while the enclosure protects internal components in typical indoor industrial settings.
Certification details are not publicly published for this model. Consult Eaton for the latest CE, SIL, or other regulatory documentation. The DS-3 design and dry-type construction align with common industry standards, but formal approvals should be requested from the manufacturer to ensure project-specific compliance.
The T20P11S05NV carries Eaton’s policy of one year from installation or 18 months from shipment, whichever comes first. Routine maintenance for a dry-type transformer includes inspection of enclosure integrity, windings, and tap connections; expected life is improved by proper cooling, clean environments, and adherence to rated voltage and temperature rise limits, delivering predictable ROI through reduced downtime and extended service life.