Block Open Frame 2 kVA Auto-Transformer, 480 V & 500 V AC Primary, 400 V AC Secondary, Wall/Floor Mount, Screw AT3 2-48/50-4

Block AT3 2-48/50-4 is a robust open frame auto-transformer with a rated power of 2 kVA, engineered for use in electrical systems requiring accurate voltage transformation between 480 V or 500 V AC primary and 400 V AC secondary supply lines. The unit is constructed to provide high efficiency with minimal heat loss, making it ideal for industrial, manufacturing, and commercial electrical applications.

Its open frame build facilitates heat dissipation and ensures prolonged operational life even under demanding ambient conditions. Designed for both wall mounting and floor standing installation, the auto-transformer includes mounting holes for straightforward installation and offers screw terminal connections to ensure secure and reliable wiring. The capability for reverse operation extends its versatility in various electrical circuits.

Designed to operate efficiently within a frequency band of 50 Hz to 60 Hz and capable of functioning up to a maximum temperature of 40°C, this unit is suitable for a wide range of power distribution and conversion tasks. Its compact size with dimensions of 155mm length, 110mm width, and 155mm depth allows installation in limited spaces, while its 6.1 kg weight balances portability with durability.

The Block AT3 series auto-transformers have been tested according to EN 61558-2-13 standards and include vacuum impregnation technology from BLOCKIMPEX enhancing insulation and long-term reliability. This product represents high-quality German manufacturing excellence.

Constructed with an open frame design for efficient cooling and durability. Suitable for wall or floor mounting with chassis options for flexible installation. Equipped with screw termination connections for secure wiring.

Operates reliably within a frequency range of 50Hz to 60Hz and up to 40°C maximum temperature. Compact dimensions of 155mm length, 110mm width, and 155mm depth for space-efficient applications. Gross weight of 6.1 kg provides a balanced build for handling and installation.

Tested to EN 61558-2-13 standards ensuring compliance and safety. Reverse operation capability allows functional adaptability. High efficiency, low heat loss design reduces energy consumption during typical industrial use.

Manufactured in Germany assuring quality craftsmanship and reliability.

This auto-transformer is an essential component in various industries including manufacturing plants, HVAC systems, power distribution centers, and laboratory environments where precise voltage step-down or step-up is crucial. Block products provide dependable performance supported by rigorous quality standards.

Explore the extensive range of industrial-grade Auto-Transformers and related power supply equipment at EnvMart for solutions that meet stringent operational and safety requirements.