Powersmiths 75 kVA Energy-Efficient Dry-Type Transformer

Overview

This Powersmiths 75 kVA dry-type transformer features Energy Star certification and advanced energy-efficient design for commercial and industrial power distribution applications. Built with low-loss technology and ultra-quiet operation at just 50 dB, this three-phase transformer provides reliable voltage transformation from 480V Delta to 208Y/120V with multiple tap options for precise voltage adjustment. The robust construction, UL listing, and proven Powersmiths quality make this transformer ideal for facilities prioritizing energy efficiency, reduced operating costs, and environmental responsibility.

Design and Performance

Transformer Specifications

Manufacturer: Powersmiths International Corp.

Model: T1000-C2-75-0-480-208/120

Part Number: 200-001782-100-A00

Serial Number: 21877-TT2508

Rating: 75 kVA

Type: Dry-Type Transformer

Certification: Energy Star Qualified

Electrical Specifications

Primary Voltage: 480V Delta

Secondary Voltage: 208Y/120V

Frequency: 60 Hz

Phase: 3-Phase

Phase Shift: 0 Degrees

Connection: Delta-Wye

Complete System Package

Main Components

• Energy-efficient transformer core
• High-temperature insulation system
• Heavy-duty enclosure (Type 1)
• Multiple voltage taps
• Mounting hardware
• Terminal connections
• Protective grille/ventilation
• Wiring lugs and hardware

Energy Efficiency Features

Energy Star Rating: Certified

Efficiency Level: Exceeds NEMA TP-1

Core Losses: Minimized

No-Load Losses: Ultra-low

Impedance (IZ): 3.6%

Zero Sequence (IZo): 1.0%

Key Features

Performance Characteristics

• Ultra-quiet operation: 50 dB sound level
• Low temperature rise: 130°C
• High efficiency design
• Reduced energy consumption
• Lower operating costs
• Environmental compliance

Construction Details

• Insulation Class: 220°C
• Temperature Rise: 130°C
• Enclosure: Type 1 indoor
• Weight: 700 lbs
• Robust steel construction
• Powder-coated finish

System Specifications

Voltage Tap Configuration

Available Taps: +2x2.5% FCAN

Tap Voltages:

• Tap 1-2: 504V
• Tap 2-3: 492V
• Tap 3-4: 480V (Nominal)
• Tap 4-5: 468V
• Tap 5-6: 456V

Environmental Ratings

Noise Level: 50 dB (whisper quiet)

ES Noise Attenuation: 60 dB

Operating Temperature: Up to 40°C ambient

Altitude: Up to 3300 feet

Indoor Use: Type 1 enclosure

Ideal Applications

• Commercial Buildings
• Office Complexes
• Healthcare Facilities
• Educational Institutions
• Data Centers
• Industrial Facilities
• Retail Centers
• Green Buildings
• LEED Projects
• Any facility prioritizing energy efficiency

Installation Features

Physical Configuration

• Floor-mounted design
• Lifting provisions included
• Front-accessible terminals
• Adequate ventilation spacing
• Wall clearance: 6 inches minimum
• Cable entry: Bottom/top options

Connection Capabilities

• Large wiring compartments
• Mechanical lugs included
• Ground connections
• Clear terminal marking
• Ample gutter space
• Code-compliant design

Operational Advantages

Energy Savings

• Reduced utility costs
• Lower heat generation
• Decreased cooling loads
• Utility rebate eligible
• Carbon footprint reduction
• ROI through efficiency

Reliability Features

• Conservative design
• Quality components
• Proven technology
• Long service life
• Minimal maintenance
• Factory tested

Technical Details

Manufacturing Standards

Listing: UL 3P51 Listed

File Number: LR 43976

CSA Certified: Yes

Standards: NEMA ST-20

Efficiency: DOE 2016 compliant

Manufacturing Date: April 2008

Protection Features

• Over-temperature protection ready
• Short circuit withstand rated
• Ground fault provisions
• Surge protection compatible
• Arc-resistant design available

Maintenance Requirements

Routine Maintenance

• Visual inspection quarterly
• Thermal scanning annually
• Connection torque checks
• Cleaning as needed
• Tap adjustment verification
• Insulation resistance testing

Service Life

• Expected life: 30+ years
• Minimal maintenance design
• No oil changes required
• Environmentally friendly
• Easy access for service

Safety & Compliance

Safety Features

• UL Listed components
• CSA approved
• Temperature monitoring provisions
• Proper ventilation design
• Safety labels installed
• Ground connections

Environmental Benefits

• No oil = no spill risk
• Energy Star efficiency
• Reduced CO2 emissions
• LEED points eligible
• RoHS compliant
• Recyclable materials

Package Includes

✓ Complete transformer assembly

✓ Type 1 indoor enclosure

✓ Connection lugs

✓ Installation hardware

✓ Wiring diagram

✓ Nameplate data

✓ Installation instructions

✓ Warranty documentation

✓ Test certificates

Value Proposition

• Energy Star certification
• Immediate energy savings
• Quiet operation (50 dB)
• Proven reliability
• Premium efficiency
• Quick payback period
• Environmental leadership
• Made in Canada quality