Eaton Z20N11S15CU Hazardous Transformer - Class 1 Div 2
Part Number: Z20N11S15CU
Quick Summary
The Eaton Z20N11S15CU hazardous location encapsulated transformer provides reliable power conversion for equipment in Class I Division 2 environments. In hazardous zones, project delays often occur from permitting, enclosure selection, and installation complexity. This unit carries UL Listed and CSA Certified marks, plus a NEMA 3R indoor-outdoor enclosure and EPZ design to bolster safety and durability. With 240/480 V primary and 120/240 V secondary outputs, copper windings, and a 15 kVA rating, it integrates smoothly into existing electrical infrastructure, helping reduce downtime, maintenance overhead, and total cost of ownership while supporting compliant, efficient power delivery to critical control panels.
Product Information
Extended Description
Z20N11S15CU Eaton: Class 1 Division 2 Groups A, B, C, and D Hazardous Location Transformer, EPZ, Single-phase, Primary voltage: 240 x 480V, Taps: None, Secondary voltage: 120/240V, 115°C, 15 kVA, Copper windings, FR180H, 3A, Indoor-Outdoor, 60 Hz, NEMA 3R
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z20N11S15CU
UPC
786680108792
Product Length/Depth
10.53 in
Product Height
19.68 in
Product Width
19.63 in
Product Weight
283 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
Type
Class 1 Division 2 Groups A, B, C, & D, Hazardous Location Transformer
Coil material
Copper
Frequency rating
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
180H
Tap size
None
Volt ampere rating
15 kVA
Weathershield
Indoor-Outdoor
Wiring connection
3A
Feature: Class 1 Division 2 hazardous location rating provides built-in compliance for A, B, C, and D environments. Business Impact: Enables safe operation in high-risk areas, reducing regulatory delays and installation risk. Application: Chemical plants, refineries, and mining facilities requiring reliable power in hazardous zones. Feature: EPZ design with copper windings and FR180H insulation enhances thermal performance and longevity. Business Impact: Improves efficiency and reduces transformer aging, lowering lifecycle costs. Application: Continuous process controls and motor drives in harsh environments. Feature: 60 Hz single-phase operation with 240/480 V primary and 120/240 V secondary supports common industrial power architectures. Business Impact: Simplifies integration with existing switchgear and panels, accelerating commissioning. Application: Control rooms and field equipment requiring clean, stable low-voltage feeds. Feature: NEMA 3R enclosure and indoor-outdoor capability provide flexible mounting options. Business Impact: Enables indoor or exterior installations without additional housings, reducing site adaptation costs. Application: Outdoor substations, equipment pads, and rugged factory floors. Feature: 15 kVA VA rating and 3A wiring connection support medium-load power distribution with robust fault tolerance. Business Impact: Delivers reliable transformation for critical loads while preserving safety margins. Application: Panelboards, control centers, and distributed automation networks. Feature: UL Listed and CSA Certified across a rugged, encapsulated package with a 1-year warranty (or 18 months from shipment). Business Impact: Assures compliance and supplier reliability, decreasing risk for procurement and maintenance budgets. Application: Enterprise-scale projects with stringent vendor qualification processes.
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FAQs
The Z20N11S15CU is designed for Class I Division 2 environments with a NEMA 3R enclosure suitable for indoor-outdoor use. Mount the unit on a stable pad or rack, provide proper clearance for cooling, and connect 240/480 V primary to the incoming line and 120/240 V secondary to downstream equipment. Use standard 3A wiring connections and verify UL/CSA compliance for your specific site.
Key specs include a 15 kVA VA rating, single-phase operation, primary voltages of 240 V and 480 V, secondary voltages of 120/240 V, and a 60 Hz frequency rating. Copper windings provide excellent conductivity, with an insulation class FR180H and a 115 °C rise. The enclosure is NEMA 3R, designed for indoor-outdoor installations in hazardous locations.
Yes. The Z20N11S15CU is certified for Class I Division 2 locations (Groups A–D) and features a robust EPZ design with a protective enclosure. Its indoor-outdoor capability, UL Listed and CSA Certified status, and NEMA 3R enclosure make it well-suited for chemical plants, oil and gas facilities, and mining applications requiring reliable power in hazardous zones.
The transformer is UL Listed and CSA Certified, conforming to hazardous-location safety standards. It uses an EPZ design for hazardous environments and a NEMA 3R enclosure for outdoor protection. These certifications help ensure regulatory compliance, safer operation, and streamlined procurement for safety-conscious facilities.
Eaton offers a one-year warranty from installation or eighteen months from shipment, whichever occurs first. The encapsulated copper-windings design and rugged FR180H insulation minimize maintenance needs, while the NEMA 3R enclosure protects against environmental exposure. Regular visual inspections and thermal monitoring are recommended to sustain performance and identify any early wear in hazardous-zone installations.