WhatsApp: +86 16626708626
Email: 
Phone: +86 16626708626Description
Key Technical Specifications
- Manufacturer: Eaton
- Material Number: 12514653
- Model: XP48D34B75CUS6
- Type: IECEx transformer
- Phase: 3-phase
- Rated Power: 75 kVA
- Primary Voltage: 480 V
- Secondary Voltage: 400/231 V
- Application: Hazardous location electrical distribution
- Product Family: Crouse-Hinds
- Condition: New Original / New Surplus
- Warranty: 2-year warranty reference found in supplier listing
Product Introduction
Eaton XP48D34B75CUS6 is a 3-phase IECEx transformer used for hazardous-location power distribution. It is identified as a 75 kVA unit with a 480 V primary and 400/231 V secondary, and it carries Eaton material number 12514653.
Buyers typically choose this unit when they need a direct-fit hazardous-area transformer with clear voltage conversion and documented OEM traceability. The exact enclosure, approvals, and installation limits should be verified against the Eaton datasheet before ordering or wiring.
- XP48D34B75CUS6
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No output voltage | Upstream breaker open, fuse blown, or input not present | ✅ High | Measure 480 V at primary terminals with a true RMS multimeter | Check supply, protection devices, and feeder wiring before replacing the transformer |
| Output voltage low under load | Overload, incorrect tap setup, or undersized feeder | ✅ High | Measure primary and secondary voltage with load connected; compare nameplate and tap settings | Reduce load, confirm tap position, and verify upstream supply capacity |
| Excessive heat rise | Overload, poor ventilation, or ambient temperature too high | ✅ Medium | Use an IR thermometer on enclosure surface and compare load current to nameplate rating | Improve airflow and confirm the connected load stays within rating |
| Audible hum or vibration | Loose mounting, core stress, or line imbalance | ⚠️ Medium | Check mounting hardware and measure phase balance on the primary side | Tighten mounting, verify phase balance, and inspect for mechanical stress |
| Primary breaker trips at energization | Inrush current, wiring fault, or shorted secondary circuit | ✅ High | Isolate secondary load and re-energize; measure inrush conditions if possible | Inspect downstream wiring and load before blaming the transformer |
| Intermittent nuisance faults | Loose terminals or damaged insulation | ✅ Medium | Inspect terminal torque and perform insulation resistance testing with proper isolation | Retorque terminals and test insulation before reinstalling |
| Burnt smell or discoloration | Overheating or internal winding damage | ✅ High | De-energize immediately and inspect for visible damage and insulation breakdown | Remove from service and replace after confirming the failure source |
If you are stuck, send photos of the nameplate, terminal block, wiring, and any fault logs to technical support.
Frequently Asked Questions
Q: Is XP48D34B75CUS6 a direct replacement for my existing Eaton unit?
A: It can be, but only if the voltage, phase, power rating, enclosure, and hazardous-location approval match your existing installation. The model is identified as a 75 kVA, 3-phase, 480 V to 400/231 V IECEx transformer, so verify the full datasheet before swapping.
Q: Is this unit new or refurbished?
A: The listing evidence points to new stock, and the correct commercial description here is New Original / New Surplus. I would still confirm physical condition, serial traceability, and packing details before purchase
Q: Why is the price often lower than factory direct?
A: New surplus inventory is usually priced below factory direct because it comes from excess project stock, canceled orders, or distributor overstock. That does not mean it is defective, but it does mean you should verify traceability and storage history.
Q: Can I install it without checking anything else first?
A: No. Confirm primary voltage, secondary voltage, phase, grounding method, and available short-circuit protection first. With transformers, the wiring mistake is usually upstream or downstream of the unit, not inside it.
Q: Does it come with a warranty?
A: One supplier listing shows a 2-year warranty reference, but warranty terms can vary by seller and condition. Get the written warranty statement before ordering.
Q: What should I check before energizing it?
A: Confirm 480 V input, correct secondary wiring, tight terminals, insulation resistance, and load current. Also verify the installation area matches the hazardous-location requirements tied to the IECEx classification.
Q: What exact details should I send for a quote?
A: Send the full model number XP48D34B75CUS6, any material number, photos of the nameplate, required quantity, and your delivery location. That is the fastest way to avoid a wrong cross-reference.
