Eaton T27M11S05NV Transformer - 5 kVA DS-3 Dry-Type
Part Number: T27M11S05NV
Quick Summary
Eaton T27M11S05NV transformer provides reliable dry-type power distribution for single-phase 277 V to 120/240 V systems. In crowded electrical rooms, space constraints, heat buildup, and maintenance cycles can derail projects and raise operating costs. Industry-standard certifications such as CE and UL/CSA are commonly required; confirm with the manufacturer to ensure the unit meets your facility’s compliance needs. With a 5 kVA rating, aluminum windings, and the DS-3 enclosure, this unit combines compact footprint with rugged reliability for industrial panels and commercial distributors. Its dual voltage taps and robust warranty support faster commissioning and reduces downtime.
Product Information
Extended Description
T27M11S05NV Eaton: General-Purpose Transformer, Ventilated, Dry Type Distribution, DS-3, Single-phase, PV: 277V, Taps: 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
T27M11S05NV
UPC
786680053702
Product Length/Depth
15.82 in
Product Height
30.25 in
Product Width
16.87 in
Product Weight
153 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
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
277 V
Secondary Voltage
120/240 V
Temperature rise
150 °C rise
Feature: Totally enclosed non-ventilated DS-3 design. Business Impact: Reduces dust ingress and maintenance needs while delivering dependable operation in harsh industrial environments. Application: Suitable for indoor electrical rooms and control panels where enclosure integrity matters. Feature: Aluminum windings. Business Impact: Lower weight and excellent corrosion resistance improve service life and reduce installation costs. Application: Ideal for vertical installations in manufacturing facilities and commercial spaces. Feature: 5 kVA single-phase rating with 277 V primary and 120/240 V secondary. Business Impact: Flexible power routing for diverse controls and loads, minimizing inventory of separate subsystems. Application: Common in plant panels and equipment rooms requiring quick voltage conversion. Feature: Dual taps (+2.5% FCAN, -2.5% FCBN). Business Impact: Precise voltage regulation to support sensitive devices, reducing nuisance outages. Application: Critical instrumentation and control gear in dynamic electrical networks. Feature: Frame 815N, dimensions 15.82 in D × 30.25 in H × 16.87 in W; weight 153 lb. Business Impact: Manageable footprint and weight enable simpler installation and easier retrofit. Application: Retrofit projects or new builds with space constraints.
Get a Quick Quote for a Eaton T27M11S05NV
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton T27M11S05NV?
Enquire Now
FAQs
Plan installation for indoor use in a clean, dry electrical room or control cabinet. The unit fits a DS-3 footprint with dimensions around 15.82 in depth, 30.25 in height, and 16.87 in width, and weighs 153 lb, which impacts mounting and crate handling. It is totally enclosed and non-ventilated to reduce dust ingress and simplify maintenance.
This is a 5 kVA, single-phase transformer with a primary voltage of 277 V and a secondary voltage of 120/240 V. It operates at 60 Hz. The unit features dual taps: +2.5% FCAN and -2.5% FCBN for voltage adjustment, enabling stable supply to mixed loads in distribution panels.
Yes. Its DS-3 dry-type enclosure and totally enclosed non-ventilated design are well-suited for indoor control panels and equipment rooms. With aluminum windings and a robust 5 kVA rating, it delivers reliable, maintenance-friendly power to sensitive control circuits while minimizing cooling requirements in compact installations.
Certifications are listed as 'Contact Manufacturer' for this model. In practice, verify regional requirements (such as CE or UL/CSA) with Eaton, and obtain certificates of compliance or performance data where required by your facility’s electrical code and safety standards.
Warranty follows Eaton’s policy: one year from installation or eighteen months from shipment, whichever occurs first. The dry-type, aluminum-windings design with a totally enclosed non-ventilated enclosure minimizes routine maintenance, providing a predictable maintenance window and lower lifecycle costs for continuous plant operations.