Page top

Lead Contents

FAQ01516 of Axial Fans FAQ

FAQ No. FAQ01516

Primary Contents


What are insulation levels?


There are six insulation levels in all, each with a maximum allowable temperature. Safety standards each specify the applicable insulation level.

Insulation levelMaximum allowable temperature
Class Y90°C
Class A105°C
Class E120°C
Class B130°C
Class F155°C
Class H180°C

Safety standardInsulation level
ULClass A
CSAClass B
VDEClass E or B

Recommended Products


Multi-Function Indication Monitor for Production Site Visualization * (* Models with indication monitor)


High-speed, High cost performance Ionization


Flexible Selection of Reliability and Ease of Operation with the S8JX. New Models with Harmonic Current Suppression for a Broader Lineup.

Other Axial Fans FAQ