MRO Magazine

Larson Electronics Primary Voltage Micro Transformer

June 21, 2019
By Mario Cywinski


Larson Electronics released a micro transformer providing 440V primary input voltage and 220V output voltage. Its cores are made with high-quality silicon steel laminations. This unit offers reliability and protection against critical equipment failures.

MMT-400V-250VA-220V micro transformer has a terminal block design with ability to install fuse clips to the unit. It features molded coil covers. It has a rating of 0.25 kVA (250 VA).

It also features a 130-degree C insulation class and an 80-degree C temperature rise. Windings are fully encapsulated, protecting from moisture, dirt, dust and other elements. This unit has heavy steel mounting feet that are either welded or bolted to the core.