Product Overview

50 kVA Pad Mount Three-Phase Oil-Immersed Distribution Transformer

The right transformer configuration directly impacts your system’s performance, safety, and long-term reliability. The 50 kVA three-phase pad-mounted transformer is built to your exact specifications, giving you the flexibility to match your application requirements precisely.

Primary Voltages up to 34,500 KV
Secondary Voltages range from 120 to 240 V
Winding Configurations including Delta-Wye, Wye-Wye, Delta-Delta, and Wye-Delta
High-Efficiency Cores with grain-oriented silicon steel cores for high efficiency and low heat emissions
Dielectric Fluid Options including Non-PCB Mineral Oil or FR3 biodegradable dielectric fluid
Optional SEL Relay Integration with factory-integrated Schweitzer Engineering protective relays and metering for remote monitoring and advanced overcurrent protection

50 kVA Pad Mount Three-Phase Oil-Immersed Distribution Transformer

Cooling Type
ONAN / KNAN
Primary Voltage
2,400 / 34,500 V
Secondary Voltage
120 / 240 V
Frequency
60 Hz
Fluid Type
Mineral Oil or FR3 Fluid

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Spec Sheet

Manual

Technical Specs

KVA Rating
50 KVA
No. of Phases
Single and Three-Phase
Winding Configuration
Delta – Wye / Wye – Wye/ Delta – Delta/ Wye – Delta
Tapping Range
±4 x 2.5%
Winding Material
Copper / Aluminum
Impedance
1.8 – 4.5%
Mounting
Pad-Mounted

Sound Level
NEMA TR1 Standard
IEEE Standards
IEEE C57.12.00
Certification
UL Listed
Efficiency
DOE 2016 Standard Compliant
Enclosure
NEMA Type 3R – Stainless Steel
Additional Accessories
- Electrostatic Shielding

- Lighting Arrestors

Transformer Features

Primary Voltages up to 34,500 KV

Secondary Voltages range from 120 to 240 V

Winding Configurations including Delta-Wye, Wye-Wye, Delta-Delta, and Wye-Delta

High-Efficiency Cores with grain-oriented silicon steel cores for high efficiency and low heat emissions

Dielectric Fluid Options including Non-PCB Mineral Oil or FR3 biodegradable dielectric fluid

Optional SEL Relay Integration with factory-integrated Schweitzer Engineering protective relays and metering for remote monitoring and advanced overcurrent protection

Benefits

Custom Engineered — Designed from your SLDs to meet your specific voltage, impedance, and application requirements including hazardous environments

Industry-Leading Lead Times — Production scheduled around your project milestones with lead times typically starting at 16–18 weeks depending on project scope and complexity

U.S. Manufactured — Engineered and built at MPS’s Florida facilities with full QA/QC and Factory Acceptance Testing available for client witnessing

FR3 Biodegradable Fluid — Less flammable than mineral oil with a fire point of 360°C, fully biodegradable, and UL classified — reducing fire risk and environmental liability

Optional SEL Relay Integration — Factory-installed Schweitzer Engineering protective relays and metering enable remote operation, monitoring, and advanced system coordination

Low Noise Operation — Built to NEMA TR1 sound standards, suitable for noise-sensitive installations including schools, hospitals, and commercial buildings

Tamper and Weather Resistant — Heavy gauge steel enclosure with baked-on powder coating, available in live-front and dead-front designs with radial or loop feed

Flexible Installation — Suitable for indoor and outdoor applications, NEMA Type 3R rated, serving commercial, industrial, and utility loads

12 Month Warranty — Backed by MPS’s commitment to quality and long-term reliability