Block Open Frame 2 kVA Auto-Transformer 690 V ac Primary 400 V ac Secondary AT3 2-69-4

Block AT3 2-69-4 auto-transformer is a high efficiency, low heat loss device designed for industrial use. It features an open frame construction that facilitates easy mounting on chassis, wall, or floor, suited for diverse installation environments. The transformer operates at a primary voltage of 690 V ac and outputs a secondary voltage of 400 V ac with a power rating of 2 kVA, making it suitable for sensitive electrical systems that require reliable voltage transformation.

The unit supports operating frequencies from 50Hz to 60Hz, and is designed to safely function in ambient temperatures up to 40°C. Its compact size with dimensions of 220mm length, 115mm width, and 175mm depth along with a manageable weight of 10 kg ensures ease of transport and installation.

This model includes screw terminal connections providing a secure and reliable electrical connection. The reverse operation capability adds to its flexibility in various electrical setups. The transformer has undergone rigorous testing to comply with the EN 61558-2-13 standard, assuring safety and performance. It has also obtained UL 5085-1/2 and CSA 22.2 certifications.

Manufactured in Germany, the AT3 series supports industrial, commercial, and manufacturing applications where efficient power conversion and durability are paramount. This transformer is impregnated using BLOCKIMPEX vacuum technology, enhancing insulation reliability and extending operational life. It is ideal for sectors such as industrial machines, automation systems, HVAC, and power supply networks requiring stable voltage transformation.

Constructed with an open frame design for easier installation and maintenance. Supports chassis, wall, and floor standing mount types for versatile application. Equipped with screw termination ensuring secure and reliable connections.

Operates efficiently between 50Hz minimum and 60Hz maximum frequency. Designed to function continuously at maximum ambient temperature of 40°C. Compact dimensions with length 220mm, width 115mm, and depth 175mm. Weighs 10 kg, making it manageable for various industrial installations.

Manufactured in Germany, ensuring high quality and compliance. Part of the AT3 series featuring high efficiency and low heat loss performance. Features BLOCKIMPEX vacuum impregnation for enhanced durability. Tested according to EN 61558-2-13 and certifications UL 5085-1/2 CSA 22.2.

Explore more Auto-Transformers and related power supply solutions at EnvMart for industrial, construction, and electrical engineering needs.