Product Description
The Marcus MT15B1-DOE is a 15 kVA three-phase dry-type isolation transformer designed to step down 480V delta primary voltage to 208Y/120V secondary voltage. It belongs to Marcus's MT Series of general-purpose indoor ventilated transformers and carries the "-DOE" suffix denoting compliance with U.S. Department of Energy 2016 efficiency standards (10 CFR Part 431). Marcus Transformer of Canada Ltd. has manufactured energy-efficient transformers since 1942, utilizing pure electrolytic copper coil windings and Class H insulation in their WATT+PLUS™ construction.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Marcus |
| Model / Part Number | MT15B1-DOE |
| Product Type | Dry-Type Isolation Transformer |
| Series | MT Series |
| kVA Rating | 15 kVA |
| Phase | 3-Phase |
| Primary Voltage | 480V (Delta) |
| Secondary Voltage | 208Y/120V (Wye) |
| Frequency | 60 Hz |
| Transformer Type | Isolation (Delta-Wye) |
| Construction | Dry-Type Ventilated |
| Winding Material | Copper |
| Insulation Class | Class H (220°C) |
| Temperature Rise | 150°C |
| % Impedance | 4.8% |
| Efficiency (DOE 2016) | 97.48% (at 35% load) |
| Enclosure Type | NEMA 1 |
| Mounting Style | Wall Mount |
| Standard Taps | B (2 FCAN, 2 FCBN) |
| DOE Compliance | DOE 2016 (10 CFR Part 431) |
| Certifications | UL, CSA, CUL |
| Housing Material | Cast Resin / Steel Enclosure |
| Manufacturer | Marcus Transformer of Canada Ltd. |
We warranty all items for 30 days from date of purchase.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
Shelf I-18
Model MT15B1-DOE
MPN MT15B1-DOE
Type Transformer
GTIN 679523686161
Material Copper
Voltage Rating 480V Primary / 208Y/120V Secondary
Frequency 60 Hz
Application General Purpose Indoor Distribution
Ratio Delta-Wye
Manufacturer Marcus
Phase 3
Kva 15
Enclosure Type NEMA 1
Part Number MT15B1-DOE
Series MT Series
Output Voltage 208Y/120V
Input Voltage 480V
