CHQ-DIM2/DIN(SCI) Dual Input Module - DIN Enclosure with SCICHQ DIM2 DIN(SCI) Dual Input Module DIN Enclosure with SCI Manufactured by Hochiki, this Hochiki CHQ DIM2 DIN (SCI) Dual Input Module DIN Enclosure With SCI is a Dual Input Module designed to interface to a variety of inputs such as door contacts, sprinkler flow door switches and plant equipment. Also available as a boxed module; both models feature an integral short circuit isolator. Details: Manufacturer: Hochiki Part Number: CHQ DIM2 Features: Loop