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Eaton’s Cooper Power series Envirotran Hardened Data Center (HDC) three-phase pad-mounted transformer provides superior performance and surge protection even in stressful electrical environments. Filled with FR3 dielectric fluid, pad-mounted HDC transformers can be utilized in both indoor and outdoor applications, stepping down a wide variety of distribution system voltages while meeting an extensive array of complex data center needs including relaying protection, advanced monitoring and VFI fault protection.
Cargill's FR3 dielectric fluid provides superior transformer performance, safety and environmental friendliness.
| Base kVA |
45 kVA to 12,000 kVA |
| Primary Voltage |
2400 V to 46,000 V |
| Secondary Voltage |
120 V to 24,940 V |
| Basic Impulse Level (BIL) |
30 kV to 250 kV |
| ANSI/IEEE |
C57.12.00 and C57.12.34 |
| CSA |
C227.4 |
| NEMA (sound level) |
NEMA TR-1 |
| Third-party approval/recognition |
FM Global (Indoor & Outdoor), UL/cUL – available for most ratings |
| Layout |
Compartmental type |
| Tamper resistance |
three-point latching & padlock system with recessed penta-head bolt |
| Enclosure integrity |
Meets or exceeds ANSI/IEEE C.57.12.28 and C57.12.29 |
| Material |
Mild or stainless steel (304L) |
| Enclosure environment |
Indoor and Outdoor |
| Insulating medium |
Air |
| Hinge material |
Stainless steel cabinet hinges and mounting studs |
| Distribution transformer |
Three-phase pad-mounted |
| Install location |
Indoor and outdoor |
| Power direction |
Step-down and Step-up |
| Cover |
Bolted cover for tank access (45-1000 kVA) |
| Welded cover with handhole (1500-7500 kVA) | |
| Surge protection |
Lightning arrester mounting provisions (live-front) |
| Nameplate |
Laser-scribed anodized aluminum nameplate (SS available) |
| Drain/fill valves |
One-inch drain valve with sampling device in low-voltage compartment (45-7500 kVA) |
| Pressure relief |
Automatic pressure relief device |
| Cabinet |
20" deep cabinet (45-1000 kVA) |
| 24" deep cabinet (1500-7500 kVA) | |
| 30" deep cabinet (34.5/19.92 kV) | |
| Primary termination |
(15, 25 kV) 200 A (HTN) bushing wells |
| (15, 25, 35 kV) 200 A Integral bushings (dead-front) | |
| Electrical-grade wet-process porcelain bushings (live-front) |
|
| Lifting lugs |
Certified Lifting lugs (4) |
| Grounding |
Stainless steel NEMA 2-hole ground pads (750-7500 kVA) |
Product advisory
Learn about the fundamentals of medium-voltage transformers
In the wake of a storm or disaster, Eaton understands that safety and speed of response is everything. You can rely on Eaton Care teams to plan, protect and connect.
