Eaton Z20N11S03CUS6 Hazardous Transformer - Class 1 Div 2
Part Number: Z20N11S03CUS6
Quick Summary
Eaton Z20N11S03CUS6 Hazardous Location Transformer provides safe, reliable voltage conversion for hazardous-location panels and equipment. In harsh environments, traditional transformers can fail from moisture intrusion, dust, or enclosure compromises. UL Listed and CSA Certified, with a NEMA 3R indoor-outdoor enclosure and EPZ copper-wound design, ensure regulatory compliance and long-term performance. The 3 kVA rating, epoxy encapsulation, and rugged 176H frame support quick installation and downtime reduction while meeting the demands of process industries. Designed for easy integration with 240/480 V primary and 120/240 V secondary systems, it pairs with standard electrical gear and minimizes lifecycle cost.
Product Information
Extended Description
Z20N11S03CUS6 Eaton: Eaton Hazardous location encapsulated transformer, class 1 division 2 groups a, b, c, and d, hazardous location transformer, EPZ, copper, NEMA 3R, 176H, 60 Hz, single-phase, 240V, 480 V, 120/240 V, 115 °C rise, 3 KVA, indoor-outdoor, 3A
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z20N11S03CUS6
UPC
786680108747
Product Length/Depth
8.03 in
Product Height
14.47 in
Product Width
12.5 in
Product Weight
89 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 CSA Certified
Catalog Notes
Grade 316 stainless steel enclosure (does not imply NEMA 4X rating)
Type
Class 1 Division 2 Groups A, B, C, & D, Hazardous Location Transformer
Coil material
Copper
Frequency rating
50/60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Design
EPZ
Enclosure
NEMA 3R
Frame
176H
Tap size
None
Volt ampere rating
3 kVA
Weathershield
Indoor-Outdoor
Wiring connection
3A
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - Z20N11S03CUS6
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: Encapsulated epoxy design provides robust moisture and dust resistance, delivering improved reliability in hazardous locations and reducing field maintenance costs for chemical plants and oil & gas facilities. This transformer uses copper windings and a copper coil, which enhances conductivity and efficiency, translating to lower energy losses and cooler operation in continuous-duty applications. The Class 1 Division 2, Groups A–D designation enables safe deployment in restricted ignition-risk zones, supporting compliant subpanels and motor control centers in industrial plants. A 3 kVA rating with single-phase operation at 50/60 Hz accommodates common control circuits, enabling tight power conditioning for instrumentation, PLCs, and auxiliary systems. The EPZ design and NEMA 3R enclosure simplify installation in indoor-outdoor environments, reducing time-to-spec and enabling quick retrofits. The 176H frame and compact footprint (8.03 in L, 12.5 in W, 14.47 in H) fit standard racks and enclosures, improving installer familiarity and reducing mounting errors. With UL Listed and CSA Certified markings, this transformer meets stringent regulatory standards and supplier qualification requirements, supporting procurement and audit readiness. The product’s 115 °C rise rating provides clear operating margins under peak loads, while the 3A wiring connection and 316-grade enclosure notes (catalog note) support rugged field connections and corrosion resistance where applicable. Warranty terms (one year from installation or 18 months from shipment) help-to-cost planning and post-sale support, delivering a predictable total cost of ownership. These attributes collectively translate into measurable efficiency gains, safer installations, and faster project delivery for hazardous-location power distribution.
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FAQs
Install in a compatible enclosure with NEMA 3R rating as specified, ensure copper-wound EPZ construction is kept dry and free from contaminants, and mount on a rigid base that supports its 89 lb weight. Verify the 240/480 V primary and 120/240 V secondary connections align with your panel schedule and maintain proper clearances per local codes.
It is a single-phase, 3 kVA transformer with 50/60 Hz operation. Primary voltage options are 240 V and 480 V, with secondary voltage of 120/240 V. Copper windings, 115 °C rise, EPZ design, and a 176H frame complete the specification set for compact power conditioning in hazardous locations.
Yes. The transformer is UL Listed and CSA Certified, ensuring compliance with widely recognized electrical safety standards for hazardous-area equipment and enabling streamlined procurement and auditing processes.
Eaton delivers a Warranty of one year from the installation date or eighteen months from shipment, whichever occurs first. This support helps reduce lifecycle risk and provides coverage for workmanship and material defects during the critical early phase of installation.
Ideal for hazardous-location power distribution in chemical plants, oil & gas facilities, and other Class 1 Division 2 environments. Its 3 kVA rating with 240/480 V to 120/240 V transitions supports control panels, instrument power, and small motor circuits while meeting indoor-outdoor use requirements.