Eaton Z16N14S25CUSS Hazardous location encapsulated transformer - UL Listed
Part Number: Z16N14S25CUSS
Quick Summary
The Eaton Z16N14S25CUSS transformer provides hazardous-location voltage transformation for single-phase equipment. Facility teams often struggle to meet enclosure, protection, and regulatory needs in demanding environments. This unit carries UL Listed certification, Class I Division 2 suitability, and a NEMA 3R enclosure for indoor-outdoor service. With a 25 kVA copper-wound design and a rugged Grade 304 stainless steel enclosure, it delivers reliable power delivery while reducing maintenance costs. Designed for industrial transformer applications, it supports consistent voltage in harsh facilities, helping you manage uptime, safety, and compliance across oil, gas, chemical processing, and remote installations.
Product Information
Extended Description
Z16N14S25CUSS Eaton: Eaton Hazardous location encapsulated transformer, Class 1 Division 2 Groups A, B, C, D Hazardous Location Transformer, Single-phase, PV: 220 X 440V, Taps: None, SV: 110/220V, 115°C, 25 kVA, Cu windings, Frame: 182H, Indoor-Outdoor
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z16N14S25CUSS
UPC
786680062650
Product Length/Depth
14.1 in
Product Height
23.47 in
Product Width
22.6 in
Product Weight
450 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.
Compliances
Not Applicable
Certifications
UL Listed
Catalog Notes
Grade 304 stainless steel enclosure
Type
Class 1 Division 2 Groups C and D, Hazardous Location Transformer
Coil material
Copper
Frequency rating
50/60 Hz
Phase
Single-phase
Primary voltage
220 V, 440 V
Secondary Voltage
110/220 V
Temperature rise
115 °C rise
Design
EPZ
Enclosure
NEMA 3R
Frame
182H
Tap size
None
Volt ampere rating
25 kVA
Weathershield
Indoor-Outdoor
Wiring connection
3J
Encapsulated construction plus Grade 304 stainless steel enclosure provide superior corrosion resistance and durability in harsh environments, translating to longer service life and lower replacement costs in chemical plants and outdoor installations. This Class I Division 2 capable transformer delivers UL Listed safety certification and a NEMA 3R rated enclosure, simplifying regulatory approvals and on-site safety audits for hazardous-area projects. Copper windings paired with a 25 kVA rating enhance efficiency and thermal performance, reducing energy losses and cooling requirements in continuous operation. The 220/440 V primary to 110/220 V secondary configuration supports flexible integration with existing plant voltages, while 50/60 Hz compatibility enables global deployment. A 115°C rise rating ensures dependable operation in hot industrial spaces, and the 182H frame size optimizes mounting with standard enclosures, streamlining installation and service access. The 3J wiring connection and Grade 304 stainless enclosure ease field wiring and corrosion resistance, improving long-term maintenance predictability.
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FAQs
For Class I Division 2 installations, verify compliance with enclosure ratings and protection levels. Use the Grade 304 stainless steel enclosure with a NEMA 3R rating for indoor-outdoor exposure, ensure proper clearance for cooling, and connect via the 3J wiring method. Route cables to maintain safe separation from ignition sources and follow all local electrical codes and Eaton installation guidelines to minimize risk and downtime.
The transformer provides a single-phase 220/440 V primary and a 110/220 V secondary, operating at 50/60 Hz with a 25 kVA VA rating. Copper windings offer high efficiency and robust thermal performance. The device uses a 182H frame, no taps, and a 115°C rise, making it suitable for steady-state operation in demanding environments while maintaining voltage stability for critical loads.
Yes. The unit is designed for indoor-outdoor use with a Grade 304 stainless steel enclosure and a NEMA 3R rating, delivering corrosion resistance and protection against weather exposure. This makes it well-suited for outdoor yards, chemical plants, and other tough environments where reliable power delivery is essential and maintenance windows are limited.
Eaton provides a warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This warranty covers manufacturing defects and field-replaceable components. For ongoing support, refer to Eaton’s service programs and the product datasheet, which outline preventive maintenance checks and recommended replacement intervals to maximize uptime.
Industries such as oil & gas, chemical processing, and other hazardous-location facilities benefit most, using the transformer to safely convert voltages for instrumentation and control gear. Benefits include UL-listed safety, reduced risk of arc-flash incidents, durable stainless enclosure for harsh conditions, and predictable maintenance costs thanks to robust construction and standardized mounting. The result is lower downtime, improved reliability, and a clear path to regulatory compliance.