Eaton type MTE, industrial control transformer, pv: 240/416/480/600v, 230/400/460/575v, 220/380/440/550v, 208/500v, taps: none, sv: 99/120/130v, 95/115/125v, 91/110/120v, 85/100/110v, 55°c, 350 va , cu magnet wire
Manufacturer Resources
Product Specs
- 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
- Certifications:
- CSA Certified
- Compliances:
- RoHS Compliant
- Product Height:
- 4.449 in
- Product Length Depth:
- 5.63 in
- Product Weight:
- 18.6 lb
- Product Width:
- 5.236 in
- Product Group:
- Electrical
- Department:
- Electrical
Eaton C0350E6U – Frequently Asked Questions
1) What is this Eaton MTE control transformer used for?
This 350 VA control transformer steps down voltage from 240V/480V/600V primary to 120V/130V secondary circuits. Common applications include powering control panels, motor starters, lighting contactors, and HVAC controls in industrial facilities.
2) What primary voltages does this transformer accept?
Primary accepts 240V, 416V, 480V, and 600V with multiple tap options. Secondary provides 99V, 120V, and 130V with taps at 95V, 115V, 125V plus additional low voltage taps at 85V, 100V, and 110V for flexibility.
3) What are the connection requirements for installation?
Uses copper magnet wire construction for reliable connections. Verify primary voltage matches your supply before wiring. Connect primary to line voltage and secondary to control circuit loads. Follow NEC Article 450 requirements for transformer installations.
4) What is the temperature rating for this unit?
Rated for 55°C temperature rise above ambient. This allows operation in most industrial environments. Ensure adequate ventilation around the transformer and verify ambient temperature stays within acceptable limits for full load operation.
5) How do I size overcurrent protection for this transformer?
Primary overcurrent protection typically sized at 125% of full load current per NEC 450.3. For 350 VA at 480V primary, full load current is approximately 0.73 amps. Secondary protection should be sized based on connected load requirements.
6) What mounting considerations apply to this transformer?
Mount securely in a ventilated location away from heat sources. Verify mounting surface can support transformer weight plus any vibration loads. Maintain clearances per NEC requirements for access and heat dissipation.
7) Can this transformer be used for lighting circuits?
Yes, suitable for lighting contactors and control circuits. The 350 VA capacity handles multiple lighting contactors or control devices. Verify total connected load stays within VA rating and consider inrush current of magnetic devices.
8) What maintenance does this control transformer require?
Check connections annually for tightness and signs of overheating. Keep ventilation areas clear of debris. Monitor for unusual noise or vibration that could indicate loose laminations. Test insulation resistance if operating in harsh environments.
9) Are there related Eaton transformer models available?
Eaton offers control transformers in various VA ratings from 25 VA to 15 KVA. Similar MTE series models available in 250 VA, 500 VA, and 750 VA ratings. Check our Eaton transformers section for complete selection.
10) What wire sizes are recommended for connections?
Wire sizing depends on primary voltage and current. For 480V primary, 14 AWG typically adequate for primary connections. Secondary wire size based on connected load current. Use 75°C rated wire and verify termination temperature ratings match transformer specifications.
11) How do I verify proper transformer operation?
Measure no-load secondary voltage to verify tap settings. Check primary current under load conditions. Monitor temperature rise during operation. Secondary voltage should remain stable within ±5% under normal load variations.
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Does the Eaton C0350E6U come with a warranty?
Absolutely. The Eaton C0350E6U is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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