Eaton Z57N11S10 Hazardous Location Transformer - UL Listed
Part Number: Z57N11S10
Quick Summary
Hazardous Location Transformer is used to safely step down 575 V to 120/240 V for reliable control power in hazardous industrial environments. Engineers often struggle with finding a unit that meets explosion-protection requirements while delivering consistent voltage under varying loads. UL Listed certification, Class I Division 2 rating for Groups C and D, and a rugged NEMA 3R enclosure help ensure safety, compliance, and uptime in challenging sites. Beyond compliance, this transformer supports installation flexibility with indoor-outdoor use and a compact 179H frame, leveraging aluminum windings for reduced weight and improved heat dissipation. The product’s 10 kVA rating and 50/60 Hz compatibility fit a wide range of control panels and motor-start applications, delivering dependable power where it counts.
Product Information
Extended Description
Z57N11S10 Eaton: Eaton Hazardous location encapsulated transformer, class 1 division 2 groups c and d, hazardous location transformer, EPZ, aluminum, NEMA 3R, 179H, 60 Hz, single-phase, 575 V, 120/240 V, NONE, 115 °C rise, 10 KVA, indoor-outdoor, 524L
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z57N11S10
UPC
786680056451
Product Length/Depth
10.53 in
Product Height
19.68 in
Product Width
19.63 in
Product Weight
244 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
Type
Class 1 Division 2 Groups C and D, Hazardous Location Transformer
Coil material
Aluminum
Frequency rating
50/60 Hz
Phase
Single-phase
Primary voltage
575 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Design
EPZ
Enclosure
NEMA 3R
Frame
179H
Tap size
None
Volt ampere rating
10 kVA
Weathershield
Indoor-Outdoor
Wiring connection
524L
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - Z57N11S10
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Class I Division 2, Groups C and D with EPZ design ensures hazardous-area compatibility and safer maintenance. Business Impact: Reduces regulatory risk and downtime while enabling safe servicing in demanding environments. Application: Chemical plants, refineries, and offshore facilities where ignition sources must be controlled. The second feature is Aluminum coil material, which provides lighter weight and improved heat dissipation. Business Impact: Easier handling during installation and lower auxiliary cooling requirements. Application: Mobile or rooftop installations where weight savings translate to labor and cost savings. Third feature is 575 V primary with 120/240 V secondary at 10 kVA, 50/60 Hz single-phase, offering versatile power for control panels and motor starters. Business Impact: Consolidates power conversion in one compact unit, reducing inventory and wiring complexity. Application: Industrial automation cabinets and machine rooms. Fourth feature is NEMA 3R enclosure and EPZ design for indoor-outdoor use. Business Impact: Enables year-round operation and safer outdoor installations, lowering site-specific risk. Application: Outdoor plant floors and hazardous-area installations. Fifth feature is 524L wiring and 179H frame with robust build. Business Impact: Simplifies pre-wiring and mounting, accelerating commissioning. Application: Front-end control panels and prefabricated electrical assemblies. Warranty and service alignment with Eaton policies further support lifecycle reliability, reducing maintenance surprises and extending useful life in harsh environments.
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FAQs
For hazardous locations, ensure installation uses the NEMA 3R enclosure and adheres to Class I Division 2 guidelines. Plan for appropriate clearance, secure wiring with 524L connections, and use serviceable access points for safe maintenance. The unit's EPZ design supports safe operation in restricted zones, and the 179H frame fits typical electrical enclosures.
Key specs include a 10 kVA rating, 575 V primary, 120/240 V secondary, single-phase configuration, and 50/60 Hz frequency. The transformer uses aluminum windings, has a 115 °C rise, and is designed as a Class I Division 2, Groups C and D hazardous-location device with a NEMA 3R enclosure.
Yes. The Class I Division 2, Groups C and D rating and EPZ design make it appropriate for chemical plants and oil and gas facilities where ignition sources must be controlled, while the NEMA 3R enclosure supports indoor-outdoor placement and withstands harsh environments.
The transformer is UL Listed, supports hazardous-location ratings (Class I Division 2, Groups C and D), and is enclosed in a NEMA 3R housing for outdoor suitability. These certifications help meet industry safety standards and regulatory requirements for hazardous environments.
Eaton provides a warranty policy of one year from installation or 18 months from shipment, whichever occurs first. Regular maintenance should follow Eaton’s selling policy guidelines, with attention to enclosure integrity, insulation condition, and connection reliability to sustain performance in demanding applications.