Eaton C0350E3AFB MTE transformer - UL Listed
Part Number: C0350E3AFB
Quick Summary
The Eaton Type MTE industrial control transformer is designed to deliver reliable control power for panels and automation equipment. Engineers often struggle with finding compact, regulator-friendly transformers that fit tight panel spaces and withstand harsh industrial environments. It carries CSA Certified, cUL Listed and UL Listed marks, plus RoHS compliance, supporting safe, regulatory-ready installation. With a 350 VA rating, copper windings, epoxy encapsulation, and molded-in terminals, it reduces wiring errors and heat buildup while delivering dependable performance. Compact dimensions and a 55°C insulation system help keep assemblies within temperature limits and simplify spec compliance. This combination translates to lower lifecycle costs and faster commissioning for control panels and machines in factory automation and process applications.
Product Information
Extended Description
C0350E3AFB Eaton: Eaton Type MTE industrial control transformer, pv: 208/277v, taps: none, sv: 120v, 55°c, 350 va , cu magnet wire
Product Name
Eaton Type MTE industrial control transformer
Catalog Number
C0350E3AFB
UPC
786680550850
Product Length/Depth
4.56 in
Product Height
5.29 in
Product Width
4.5 in
Product Weight
11.6 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.
Compliances
RoHS Compliant
Certifications
CSA Certified cUL Certified UL Listed
Catalog Notes
Epoxy encapsulated, Laminations of high quality silicon steel to minimize core losses and optimize performance, 50/60Hz operation, 130°C insulation system standard, Molded-in terminals for maximum durability
Coil material
Copper windings
Design
MTE
Tap size
None
Primary voltage
208/277 V
Temperature rating
55°C
Volt ampere rating
350 VA
Secondary voltage
120 V
Modification 1
Factory-mounted two-pole primary fuse block for non-rejection type fuses
Special features
Primary fuse block
Eaton Specification Sheet - C0350E3AFB
Selling Policy 25-000 - Distribution and Control Products and Services
Primary and secondary voltages with a 350 VA rating enable direct powering of relays, PLC I/O, and control circuits from 208/277 V input to 120 V output, simplifying panel design and reducing wiring complexity for machine controls. Copper windings paired with epoxy encapsulation minimize core losses and protect windings from moisture and dust, delivering improved efficiency and longer service life in harsh environments. Molded-in terminals and a factory-mounted two-pole primary fuse block enhance durability and safety, reducing field wiring errors and speeding up installation. RoHS compliance and multiple certifications streamline regulatory approvals across regions, supporting faster time-to-market for OEMs and panel builders. Compact dimensions—4.56 in L, 5.29 in H, 4.5 in W—and a 11.6 lb weight ease mounting in tight spaces, while the 1‑year warranty (18 months from shipment) reduces lifecycle risk.
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FAQs
For proper installation, mount the transformer in a ventilated enclosure with allowance for heat dissipation. Use the molded-in terminals for secure wiring and connect to the factory-mounted two-pole primary fuse block to ensure overcurrent protection. Verify 50/60 Hz operation and observe the 55°C insulation rating to maintain reliability in typical industrial environments.
The unit features a 208/277 V primary and a 120 V secondary, rated at 350 VA. This configuration supports control circuits in standard panels and automation equipment, enabling direct power to relays, contactors, and PLC inputs without extra step-down components, while maintaining compact form factor.
Yes. With copper windings, epoxy encapsulation, molded-in terminals, and a primary fuse block, it is well suited for control panels and machine controls. The 350 VA rating provides ample headroom for typical control circuits, and RoHS compliance ensures regulatory acceptance in many regions.
The C0350E3AFB carries CSA Certified, cUL Certified, and UL Listed marks, along with RoHS compliance. These certifications validate safety and performance to North American standards, streamline approvals for OEMs, and support cross-border deployments in regulated environments.
Eaton provides a one-year warranty from installation (or eighteen months from shipment, whichever occurs first). The transformer’s epoxy encapsulation, copper windings, and robust construction reduce maintenance needs and core losses, delivering lower operating costs and predictable lifecycle ROI for panel builders and equipment owners.