
- The AHRI certified S-Flex enclosed drive features the Altivarâ„¢ 212 drive and provides 100 kA rating for commercial pump, fan and scroll compressor applications. The S-Flex is an economical package that includes a circuit breaker disconnect and option bypass contactors, drive input disconnect switch or line contactor. The S-Flex is rated as a UL Type 1, 12 and 3R enclosure an ideal for use in residential high rise and mixed use buildings, commercial office buildings, schools and campus environments.