Eaton Z48N11S03SS Hazardous Location Transformer - UL Listed
Part Number: Z48N11S03SS
Quick Summary
The Eaton Hazardous Location encapsulated transformer is designed to safely step down power from 480 V to 120/240 V for equipment operating in Class I Division 2 environments. This solves a common challenge of delivering reliable control power in harsh locations where enclosure integrity and heat management are critical. UL Listed and EPZ encapsulation support compliance while the NEMA 3R enclosure provides indoor-outdoor protection. Engineered for industrial settings, this transformer aligns with hazardous-location standards and delivers consistent performance for downstream control systems, pumps, and instrumentation, while offering installation and maintenance advantages for engineering teams seeking robust power distribution in challenging environments.
Product Information
Extended Description
Z48N11S03SS Eaton: Eaton Hazardous location encapsulated transformer, class 1 division 2 groups c and d, hazardous location transformer, EPZ, aluminum, NEMA 3R, 176H, 60 Hz, single-phase, 480 V, 120/240 V, NONE, 115 °C rise, 3 KVA, indoor-outdoor, 524H
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48N11S03SS
UPC
786680006357
Product Length/Depth
8.03 in
Product Height
14.47 in
Product Width
12.5 in
Product Weight
80 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
Catalog Notes
Grade 304 stainless steel enclosure
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
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
524H
Feature → Business Impact → Application: Hazardous location encapsulation with EPZ design provides superior protection against dust, moisture, and explosive atmospheres, reducing risk and downtime in Class I Division 2 environments. This translates to safer installations and longer mean time between failures for critical control circuits in refineries, chemical plants, and mining operations. Application: Use in hazardous zones where reliability and compliance are non-negotiable, including motor starters and control panels. Feature → Aluminum coil with 3 kVA rating delivers efficient power conversion with minimal copper loss, improving overall energy efficiency and reducing heat in compact footprints. Application: Suitable for space-constrained panels that require dependable, low-heat power for instrumentation and actuators. Feature → 480 V primary to 120/240 V secondary with 50/60 Hz single-phase operation supports common industrial loads, enabling seamless integration with existing power networks. Application: Ideal for panel boards, PLCs, and motor control centers in manufacturing lines. Feature → NEMA 3R enclosure and Grade 304 stainless steel enclosure notes provide corrosion resistance and weather sealing for indoor-outdoor installations. Application: Outdoor switchgear cabinets, wash-down areas, and exterior control housings. Feature → 176H frame, 524H wiring, and 115 °C rise specifications offer a robust mechanical interface and clear installation guidelines. Business impact: simplifies mounting, wiring, and thermal planning, reducing installation time and retrofit risk. Application: New builds and facility upgrades where standardized mounting and connection practices are preferred. Feature → 80 lb weight and compact footprint enable easier handling and reduced crane or lifting requirements during installation. Application: On-site placement in constrained spaces or elevated configurations. Feature → UL Listed certification supports compliance programs and third-party audits, improving supplier qualification and procurement confidence. Application: Procurement scenarios requiring hazardous-location approvals, spec sheets, and traceable safety documentation.
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FAQs
This transformer is designed for hazardous locations with a Class I Division 2 rating and Groups C and D. Install in a NEMA 3R enclosure (Grade 304 stainless steel catalog notes) for indoor-outdoor use, ensure proper clearance for heat dissipation, and follow 524H wiring connection guidelines. The 176H frame supports standardized mounting, simplifying panel integration.
Key specs include a 3 kVA VA rating, 480 V primary, and 120/240 V secondary with 50/60 Hz operation in a single-phase configuration. The device features an aluminum coil and 115 °C rise, designed for reliable performance in hazardous environments while maintaining efficient energy conversion and heat management.
Yes. It carries UL Listed certification for hazardous locations, with a Class 1 Division 2, Groups C and D rating, EPZ encapsulation, and a corrosion-resistant Grade 304 stainless steel enclosure as noted in catalog specifications. These features support compliance programs and safer operation in demanding industrial settings.
Best-suited for control panels, instrumentation, and auxiliary power circuits in hazardous zones such as chemical plants, refineries, and mining operations. Its indoor-outdoor capability, rugged enclosure, and 480 V to 120/240 V transformation make it ideal for motor control centers and PLC-powered equipment in tough environments.
The encapsulated EPZ design reduces ingress risk, lowering maintenance needs in hazardous areas. With a rugged NEMA 3R enclosure and UL Listing, it minimizes downtime and compliance costs. The 80 lb weight and standardized mounting simplify retrofits, while the 1-year warranty (or 18 months from shipment) provides a clear value proposition for total cost of ownership.