Loher Vario Ex nA Series Explosionproof Electric Motor


The Loher Vario Ex nA has a welded steel enclosure, which ensures the highest degree of variability and versatility. The flange rings are positioned at the end of the enclosure which increases the torsional stiffness and ensures a vibration-proof mechanical design. The steel version of the Loher Vario Ex nA allows various bearing concepts, the dimensions can be adapted and a wide range of instruments can be mounted.

Loher Vario Ex nA Electric Motor

Features
Also available for exceptional requirements - such as dust explosion protection.
Corrosion protection using special paint finishes according to the manufacturer's standard or customer's specification.
The motors are available as special version for polar regions down to -40 °C (without pre-heating of the motor) or desert regions up to +60 °C.
When required, vertical motors can also be equipped with thrust bearings for high axial and radial loads.
Wide range of connection systems for large cable cross-sections, high short-circuit strength or phase-segregated version.
Optimized starting and operating parameters and high efficiency by using copper bar rotors as standard.
With water jacket cooling IC71W up to 60 % higher power density - compact and low noise. Admirably suited for converter operation with constant load torque.

Typical applications
Used in Ex-Zone 2 for
Pumps
Compressors
Fans
Centrifuges

Please contact us for more information.