Eaton Z48N11S51SS Hazardous Location Transformer - C&D
Part Number: Z48N11S51SS
Quick Summary
Hazardous Location Transformer powers equipment safely in Class I Division 2 environments. Engineers often struggle with finding compact, rugged power converters that meet strict safety standards without complicating installation. UL Listed certification, NEMA 3R enclosure, and EPZ design provide rugged protection and reliable operation in indoor-outdoor sites. Designed for easy integration in power distribution projects, it supports indoor-outdoor operations and single-phase applications, helping reduce downtime and total cost of ownership. This Eaton unit delivers a 500 kVA rating with aluminum coil for lighter weight and robust performance in hazardous environments. With a compact footprint and standard 4.88 in length, 9.72 in width, and 10.11 in height, installation is straightforward in space-constrained industrial spaces.
Product Information
Extended Description
Z48N11S51SS Eaton: Eaton Hazardous location encapsulated transformer, class 1 division 2 groups c and d, hazardous location transformer, EPZ, aluminum, NEMA 3R, 57H, 60 Hz, single-phase, 480 V, 120/240 V, NONE, 150 °C rise, 500 KVA, indoor-outdoor, 524H
Product Name
Eaton Hazardous location encapsulated transformer
Catalog Number
Z48N11S51SS
UPC
786680006302
Product Length/Depth
4.88 in
Product Height
10.11 in
Product Width
9.72 in
Product Weight
21 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
150 °C rise
Design
EPZ
Enclosure
NEMA 3R
Frame
57H
Tap size
None
Volt ampere rating
500 kVA
Weathershield
Indoor-Outdoor
Wiring connection
524H
Encapsulated, rugged housing and grade 304 stainless steel enclosure provide corrosion resistance and durable protection for long-run operation in harsh environments, reducing maintenance costs and unexpected outages. Business impact: lower lifecycle costs and higher uptime in chemical, oil-and-gas, and manufacturing facilities. Application: ideal for hazardous locations requiring durable enclosures without external housings. EPZ design with aluminum coil supports efficient heat management and lighter weight, enabling simpler handling and faster installations at job sites. Business impact: faster project turnarounds and reduced labor costs. Application: single-phase power conversion from 480 V to 120/240 V for control panels and instrumentation in hazardous zones. NEMA 3R indoor-outdoor enclosure and Weathershield capability provide installation flexibility, allowing mounting in exposed or semi-protected locations. Business impact: eliminates the need for separate enclosures, reducing total installed cost. Application: outdoor plant corners, mezzanines, and rugged warehouse environments requiring compliant protection. UL Listed certification confirms compliance with safety standards, while 50/60 Hz operation supports broad process compatibility. Business impact: risk mitigation and easier procurement through recognized qualification. Application: general purpose hazardous location applications with standard utility power timing. Compact 500 kVA transformer with 57H frame and precise dimensions (4.88 in x 9.72 in x 10.11 in) plus a 21 lb weight profile enables straightforward installation in crowded electrical rooms or retrofit projects. Business impact: space optimization and reduced handling hazards. Application: project-scoped power distribution upgrades in constrained facilities. No tap adjustments (Tap size: None) simplifies setup and reduces maintenance sequences, while 524H wiring supports reliable connections in standard control environments. Business impact: fewer potential misadjustments and faster commissioning. Application: plug-and-play integration into existing control systems and switchgear.
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FAQs
The Z48N11S51SS is designed for Class I Division 2 environments with a NEMA 3R enclosure and EPZ design. Installers should mount it in a controlled space that maintains clearances for ventilation and wiring, use compliant conduit connections, and follow Eaton documentation for mounting orientation. The unit’s 4.88 x 9.72 x 10.11 in footprint and 21 lb weight simplify handling and retrofits in tight electrical rooms.
This transformer provides a 500 kVA rating with a 480 V primary and 120/240 V secondary in a single-phase configuration. It operates at 50/60 Hz, features an aluminum coil, EPZ design, and a 150 °C rise. Enclosure is NEMA 3R rated for indoor-outdoor use, with 524H wiring connections and no tap changes required.
Yes. The Z48N11S51SS is built for indoor-outdoor use with a NEMA 3R enclosure and EPZ design, making it suitable for hazardous locations in chemical plants or similar environments. UL Listed certification further supports compliance. Always verify local codes and verify proper mounting, ventilation, and wiring methods.
The transformer is UL Listed and rated for Class 1 Division 2 locations (C&D). This combination ensures compliance with national safety standards for hazardous locations, simplifies procurement processes, and supports safe integration into controlled electrical systems in challenging environments.
Maintenance is minimized by the encapsulated EPZ design, corrosion-resistant enclosure, and aluminum winding, which reduce insulation degradation and cooling concerns. Its lightweight, compact footprint lowers installation time and space requirements. Eaton’s one-year warranty (or 18 months from shipment) provides early life support, contributing to predictable total cost of ownership and faster ROI on hazardous-location power upgrades.