The 1900 Series – Compact Low Differential Pressure Switch – combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications.
For air and non-combustible compatible gases, Series 1900 switches have set points from 0.07 to 20″ w.c. (1.8 to 508 mm). Set point adjustment is easy with range screw located inside conduit enclosure. Internal location helps prevent tampering. UL, CE and CSA listed, and FM approved.
Features:
- Mounting Style: Diaphragm in Vertical Position.
- Electrical Rating: 15A @ 120-480 VAC 60 Hz.
- Switch Type: Single-pole double-throw (SPDT).
- Set Point Adjustment: Screw type inside conduit enclosure.
- Pressure Rating: 10 PSIGsurge., 45″ w.c. continuous.
- Temp Rating: -30 – 180 F.
- Process Connections: 1/8″ FNPT.
- Electrical Connections: 3 screw type, common, normally open and normally closed.
Applications: Air conditioning refrigeration coil icing detection; defrost cycle initiation; Clogged filter detection; Variable air volume controller.
