Eaton NT48M12S15CUNV Transformer - 150°C rise spec
Part Number: NT48M12S15CUNV
Quick Summary
NT48M12S15CUNV transformer is a totally enclosed non-ventilated unit designed for indoor power distribution in control panels and industrial machinery. This 15 kVA, single-phase transformer delivers reliable 480 V to 120 V service with simple taps for +2.5% and -2.5% to accommodate voltage swings without disrupting critical loads. The design supports compact installation and dust protection in rugged environments, while the enclosure keeps coils safe and maintenance minimal. Certifications are coordinated with Eaton; check the latest specification sheet for CE, SIL, and IP status as applicable. In practice, copper windings and a robust 25-000 warranty translate to lower lifetime costs, higher uptime, and a clear ROI for OEMs and facilities teams.
Product Information
Extended Description
NT48M12S15CUNV Eaton: Eaton Totally enclosed non-ventilated transformer, KT-13 (1-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 150°C rise, 15 kVA, Copper windings, NV
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
NT48M12S15CUNV
UPC
786680111891
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
0.001 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
Copper
Frame
817N
Tap size
2 at +2.5% FCAN 4 at -2.5% FCBN
Type
Totally enclosed non-ventilated transformer
Wiring connection
54F
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
480 V
Secondary Voltage
120 V
Temperature rise
150 °C rise
Volt ampere rating
15 kVA
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Feature: 15 kVA rating with 480 V to 120 V output; Business Impact: Enables scalable power delivery for control panels and machine drives with predictable regulation; Application: Suitable for panel upgrades in automated systems, reducing downtime during load changes. Feature: Copper windings; Business Impact: Improves efficiency and thermal performance, lowering energy waste and cooling costs; Application: Long-term reliability in continuous operation environments. Feature: Tap settings (+2.5% and -2.5%); Business Impact: Maintains voltage integrity for sensitive equipment amidst supply fluctuations; Application: Critical loads in manufacturing lines and automation equipment. Feature: Totally enclosed non-ventilated enclosure with indoor-outdoor capability; Business Impact: Protects windings from dust and incidental contact while enabling flexible installation in tight spaces; Application: Control rooms, machine cabinets, and harsh plant zones. Feature: Frame 817N and wiring connection 54F; Business Impact: Standardized mounting and straightforward wiring simplifies installation and service; Application: OEM panel builds and retrofit projects. Feature: Electrostatically shielded construction and weathershield capability; Business Impact: Reduces EMI and supports indoor-outdoor use, improving reliability and compliance; Application: Industrial automation systems with sensitive electronics and EMI considerations. Warranty and support: Eaton’s policy provides coverage from installation or shipment, lowering total cost of ownership over the product life.
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FAQs
Install the NT48M12S15CUNV as a panel-mount transformer using the 817N frame for alignment with standard Eaton and third-party enclosures. Use the 54F wiring connection to simplify control-circuit integration and ensure the unit remains within its indoor-outdoor rated environment. The totally enclosed non-ventilated design minimizes dust ingress and supports compact layouts in tight spaces, improving overall panel reliability.
Key specs include a 15 kVA rating with a 480 V primary and 120 V secondary, 60 Hz frequency, and single-phase operation. It offers voltage taps of +2.5% and -2.5% to accommodate supply variation, copper windings for efficiency, and a 150°C rise rating highlighting robust thermal performance for continuous operation in demanding environments.
Yes. The NT48M12S15CUNV is well-suited for machine control panels and distribution boards due to its compact, totally enclosed design, 15 kVA capacity, and copper-wound construction. Its indoor-outdoor capability and voltage-tap options help maintain stable operations across automation equipment, reducing nuisance outages and enabling reliable integration into existing control architectures.
Certifications for this Eaton transformer are managed by the manufacturer. To verify current CE, SIL, or IP classifications, consult the latest Eaton specification sheet or contact Eaton directly. The product also features electrostatic shielding and intruded enclosure protections intended to support regulatory alignment in many industrial environments.
The NT48M12S15CUNV carries Eaton’s warranty policy: one year from installation or 18 months from shipment, whichever occurs first. Its copper windings, robust enclosure, and voltage-tap flexibility contribute to lower maintenance costs, reduced downtime, and a favorable total cost of ownership for OEMs and facilities teams undertaking panel upgrades or new installations.