The paddle style flow switch, series IF3 detects and confirms liquid
flow. The series is generally used in fields such as air conditioning,
water supply equipment, etc. Enclosures include a standard type for
indoor applications away from moisture; drip proof (JIS C0920) which
can tolerate water drip in indoor or outdoor applications; and splash
proof (JIS C0920) which has a sealed construction that can tolerate
hosing or salt laden atmospheres.