# Eaton / Cooper Power 1500 kVA 34.5/0.48 kV Dead-Front Pad-Mounted Transformer

> Eaton / Cooper Power 1500 kVA 34.5/0.48 kV Dead-Front Pad-Mounted Transformer belongs to the Pad-Mounted Outdoor Transformers category and is rated at 1500 kVA with 34.5/0.48 kV primary/secondary voltage. Application: American Standard Ground-Mounted Pad-Mounted Distribution. Final ratings must be verified against the manufacturer datasheet.

> SKU: VF-EAT-PAD-1500-345 | Brand: Eaton / Cooper Power | Category: Power & Energy Equipment / Transformers / Compact Substations, Kiosks & Pad-Mounted / Pad-Mounted Outdoor Transformers

**Voltformer canonical:** https://voltformer.com/product/eaton-cooper-power-1500-kva-34-5-0-48-kv-dead-front-pad-mounted-transformer - markdown version: https://voltformer.com/product/eaton-cooper-power-1500-kva-34-5-0-48-kv-dead-front-pad-mounted-transformer.md

## Overview

Eaton / Cooper Power 1500 kVA 34.5/0.48 kV Dead-Front Pad-Mounted Transformer is intended for American Standard Ground-Mounted Pad-Mounted Distribution. Configured electrical data: 1500 kVA, 34.5/0.48 kV primary/secondary voltage, 50 Hz, 3-phase, vector group Dyn11 and short-circuit impedance 5.75%. Construction: Copper (Cu-Cu); cooling: KNAN (configuration-dependent); loss class: Ecodesign Tier 2. These values support preliminary engineering selection; verify insulation levels, thermal limits, short-circuit duty, installation conditions and applicable standards against the manufacturer datasheet and the site study.

- **Application:** American Standard Ground-Mounted Pad-Mounted Distribution
- **Target industries:** Data Centers, University & Research Campuses, Industrial Parks
- **Brand:** [Eaton / Cooper Power](https://voltformer.com/brand/eaton-cooper.md) - The reference for North American and global grids; Eaton Cooper Power is world leader in Envirotemp™ FR3™ natural ester liquid-insulated fire-resistant distribution transformers and Dead-Front pad-mou
- **Category:** [Power & Energy Equipment](https://voltformer.com/catalog.md) / **Transformers** / [Compact Substations, Kiosks & Pad-Mounted](https://voltformer.com/category/compact-substations-and-padmounted.md): Monolithic concrete kiosks, pad-mounted outdoor transformers and mobile emergency substations. / [Pad-Mounted Outdoor Transformers](https://voltformer.com/category/compact-substations-and-padmounted/pad-mounted-outdoor-transformers.md)

## Technical Specifications

| Property | Value |
|---|---|
| Rated power | 1500 kVA |
| Primary / secondary voltage | 34.5 kV / 0.48 kV (±2 x 2.5%) |
| Frequency / phases | 50 Hz / 3-phase - Dyn11 |
| Short-circuit impedance (Uk) | 5.75% |
| No-load loss P0 | 1.20 kW |
| Load loss Pk | 12.2 kW |
| Calculated efficiency (power factor = 1) | 99.11% at 100% load; 99.44% at 50% load |
| Loss class | Ecodesign Tier 2 |
| Windings | Copper (Cu-Cu) - cooling: KNAN (configuration-dependent) - insulation: Class K (300°C fire point) |
| Temperature rise | 65 K - sound pressure: 53 dB(A) |
| Mass and dimensions | 5100 kg - 2200×1780×1880 mm |
| Enclosure | NEMA 3R / IP55 - wheel gauge: 1070 mm |
| LI / AC withstand | 170 kV peak / 70 kV rms - partial discharge: 5 pC |
| Environment | -25°C / +40°C; altitude ≤ 1000 m |
| Core steel | CRGO Laser-Treated Grain-Oriented Silicon Steel (23ZDMH85 / Baosteel B23R085) |
| Bushings / terminals | Direct Copper Busbar Terminals (Busbar Integrated / IP00-IP31) |

## Standards

- IEEE C57.12.26
- IEC 60076
- UL Listed

## Accessories

**Included:** Envirotemp FR3 Fluid, Dead-Front Elbow Bushings, Bay-O-Net Fuses
**Optional:** Two-Position Load Break Switch

## Official sources

- https://www.eaton.com/

- **Source scope:** manufacturer-family
- **Last reviewed:** 2026-09-13

Manufacturer portfolio/family source. Confirm the exact order code, guaranteed ratings and project-specific options against the current OEM datasheet before procurement or an SLD study.

## Pricing & Logistics

- Pricing type: RFQ (On Request) - Indicative range: $27,500 – $32,500 USD
- Delivery time: 2–8 weeks (may vary depending on technical configuration, factory capacity and destination) - Warranty: 24 months
- Compliance candidates: IEEE C57.12.26, IEC 60076, UL Listed. Verify applicability and conformity against the exact offered model and project jurisdiction.

## RFQ

Request a formal factory quotation via Voltformer RFQ:

```json
POST https://voltformer.com/api/v1/rfq
{"companyName":"Example Energy","email":"procurement@example.com","items":[{"skuOrId":"VF-EAT-PAD-1500-345","quantity":1}]}
```

Full catalog JSON: https://voltformer.com/agent-catalog.json - OpenAPI: https://voltformer.com/openapi.json