H-Series Miniature Pressure Switch
Brand: ASCOH-Series miniature pressure switches have field adjustable set points and fixed deadband, with diaphragm/piston sensor.
They are available in open frame construction, Type 1 general-purpose or Type 4 watertight enclosures.
The resilient diaphragm/piston construction helps provide long life and maintains set point repeatability despite environmental temperature variations.
The full size electical switch is a precision UL listed, snap-action type. H-Series switches are CSA approved and are UL listed under “Industrial Control Equipment”.
Features
- Field adjustable set points.
- Fixed deadband.
- Choice of open frame type, general purpose or watetight enclosure.
- Small size.
- Mounts in any position.
- Rugged and vibration resistant, e.g., for compressors.
- Visual adjustment scales in psig and bars
Specifications
Brand
Proof Pressure
- 250 psig
Electrical Rating
- 1/2 A Res. at 125 Vdc
- 1/4 A Res. at 250 Vdc
- 1/4 hp at 250 Vac
- 1/8 hp at 125 Vac
- 10 A Res. at 250 Vac
- 15 A Res. at 125 Vac
Adjustment Type
- Field Adjustable
Ambient Temperature
- -20° to 60° C (-4° to 140° F)
Process Temperature
- -20° to 82° C (-4° to 180° F)
Switch Type
- SPDT
Process Connection
- Standard: 1/8” NPT Ext, 1/8” NPT Int, 1/4” NPT Ext.
- Optional: 1/4” NPT Int (eighth digit “3”)
Wetted Materials
- Standard Brass & Buna "N"
- Optional Process Connections: 316 SS, Carbon steel
- Optional Diaphragms: Viton, Neoprene, Ethylene propylene, Fluorosilicone
Approvals & Certifications
- CSA
- UL