RAINDROP Brand manufactured Submersible Motor ISO 9001. 100% stainless steel motor design with NEMA Standard. Motor are made with zero tolerance accuracy to get superior mechanical strength & reliability. Motor are susceptible in high voltage fluctuations and give higher efficiency. Motors are available both in 50 Hz and 60Hz. RAINDROP oil filled motors are available in 3” & 4” while water filled motors are available in 3” to 10”.