Series
Single-Phase Auto-Transformer
Step-up / step-down · variable kVA
Single-phase auto-transformer for buck/boost voltage adjustment. Built to order in the kVA range required by the application. Used for tap-up/tap-down on existing single-phase circuits to match imported or legacy equipment.
Key Features
- ▸Built-to-order kVA
- ▸Buck/boost configuration
- ▸Compact vs. isolation
- ▸Class F insulation
Insulation
Class F
Mounting
Foot-mounted
METH Catalogue
Dimensions & data chart
Full dimensional drawing, code matrix, and electrical data (losses, efficiency, Ucc, inrush) for this series in the METH Transformer Catalogue — page 24.
View dimensional drawing & data chart (METH Catalogue p. 24) →Technical Data
Specifications
Inches shown as primary unit, mm as secondary where applicable. Custom voltages and ratings available — contact us for engineered configurations.
| Model | VA / kVA | Primary Voltage | Secondary Voltage | Certifications |
|---|---|---|---|---|
| AT1-XX | Built to order | Specify | Specify | CE · IEC 61558 |
Available from our Italian warehouse. Lead times and pricing on request.
Use Cases
Typical Applications
Buck/boost
Compensate for high or low mains voltage at point of use.
Imported equipment
Match 100 V (Japan) or 220 V (EU) equipment to NA mains.
Lighting circuits
Step-down 277 V → 240 V for legacy lighting fixtures.
Test bench
Variable-tap auto-transformer for laboratory voltage tests.
Get a Quote
Request a Quote — Single-Phase Auto-Transformer
Contact us for pricing, lead times, and application engineering. Full certification documentation provided with every order.