Eaton C0050E3AFB Industrial Control Transformer - UL Listed
Part Number: C0050E3AFB
Quick Summary
Eaton C0050E3AFB Industrial Control Transformer powers 120 V control circuits from 208/277 V mains in panels. In compact control panels, mismatched voltages and unreliable power supply slow startups and raise maintenance costs. It carries UL Listed, cUL Certified and CSA Certified marks, with RoHS compliance for global manufacturing standards. The product also features molded-in terminals and a factory-mounted two-pole primary fuse block for quick installation. Designed for 50/60 Hz operation and a 55°C insulation rating, it fits standard control panels and equipment, delivering dependable control power and helping reduce downtime and total cost of ownership.
Product Information
Extended Description
C0050E3AFB Eaton: Eaton Type MTE industrial control transformer, pv: 208/277v, taps: none, sv: 120v, 55°c, 50 va , cu magnet wire
Product Name
Eaton Type MTE industrial control transformer
Catalog Number
C0050E3AFB
UPC
786680550508
Product Length/Depth
3.61 in
Product Height
4.04 in
Product Width
3 in
Product Weight
2.8 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
cUL Certified UL Listed CSA Certified
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
50 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 - C0050E3AFB
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Primary voltage 208/277 V with secondary 120 V; Business Impact: Enables direct power to 120 V control circuits with minimal wiring and voltage conversion; Application: Control panels, motor starters, and automation interfaces. Feature: 50 VA rating; Business Impact: Delivers sufficient control power for common relay coils and control hardware while keeping energy use in check; Application: Panel power budgets and energy-efficient control schemes. Feature: Copper windings; Business Impact: Improves efficiency and thermal performance for reliable operation in demanding environments; Application: Industrial automation and machinery control. Feature: Epoxy encapsulated design with molded-in terminals; Business Impact: Superior insulation, moisture resistance, and rugged field installation; Application: Harsh manufacturing floors and enclosure-mounted panels. Feature: Factory-mounted two-pole primary fuse block; Business Impact: Enhances safety, simplifies wiring, and meets protection standards without extra components; Application: New installations and retrofit panels requiring integrated protection. Feature: 50/60 Hz operation and 130°C insulation system; Business Impact: Broad compatibility across equipment in North America and worldwide; Application: Global automation setups and equipment with mixed frequency environments.
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FAQs
Yes. The C0050E3AFB is designed for 208/277 V primary and 120 V secondary, delivering 50 VA of control power. It features molded-in terminals and a factory-mounted two-pole primary fuse block to simplify wiring and compliance in control panels.
Key specs include a 50 VA power rating, primary voltage of 208/277 V, secondary voltage of 120 V, copper windings, 50/60 Hz operation, and a 55°C insulation rating, all wrapped in epoxy encapsulation for durability.
Ideal for control panels, machine control circuits, and automation equipment that require a stable 120 V control power source derived from 208/277 V mains, such as relay coils, timers, and logic modules.
The unit is UL Listed, cUL Certified, and CSA Certified, with RoHS compliance to meet global environmental standards and regulatory requirements in North America and beyond.
The transformer is covered by Eaton's policy: one year from installation or eighteen months from shipment, whichever comes first. Regular checks should include fuse block integrity, enclosure cleanliness, and ensuring adequate ventilation to maintain rated 55°C insulation performance.