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Series AT11910 ATEX/IECEx Approved 1910 Differential Pressure Switch
Brand: Dwyer Instruments, LLCOur most popular Differential Pressure Switch is now available in a flame-proof ATEX/IECEx approved package in the Series AT11910.
This pressure switch combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units.
For air and non-combustible compatible gases, the AT11910 Series switches have set points from 0.07 to 20 in w.c. (1.8 to 508 mm). Set point adjustment is easy with range screw located inside the switch enclosure.
Series AT11910 ATEX/IECEx enclosures are available in aluminum enclosures and ideal for low pressure, hazardous area applications.
Features- Flame-proof ATEX enclosure protects the device in hazardous areas
- Compact size and repeatability, provides a high-value switch for many industrial and OEM applications
- Wide range of models from 0.07 in w.c. to 20 in w.c. can meet exacting OEM specifications for a low pressure switch
- Range screw protected inside switch enclosure prevents tampering
1 - 12 of 96 Part Numbers
AT11910-00-AB1OPV
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Brass Ports
- Relief - Overpressure Relief Valve Materials Same as Port
- Tag - None
- Electrical Contacts - Standard
AT11910-00-AB1OPVG
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Brass Ports
- Relief - Overpressure Relief Valve Materials Same as Port
- Tag - None
- Electrical Contacts - Gold Contacts
AT11910-00-AB1OPVT2
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Brass Ports
- Relief - Overpressure Relief Valve Materials Same as Port
- Tag - Stainless Steel
- Electrical Contacts - Standard
AT11910-00-AB1OPVT2G
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Brass Ports
- Relief - Overpressure Relief Valve Materials Same as Port
- Tag - Stainless Steel
- Electrical Contacts - Gold Contacts
AT11910-00-AB1X
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Brass Ports
- Relief - No Overpressure Relief Valve
- Tag - None
- Electrical Contacts - Standard
AT11910-00-AB1XG
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Brass Ports
- Relief - No Overpressure Relief Valve
- Tag - None
- Electrical Contacts - Gold Contacts
AT11910-00-AB1XT2
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Brass Ports
- Relief - No Overpressure Relief Valve
- Tag - Stainless Steel
- Electrical Contacts - Standard
AT11910-00-AB1XT2G
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Brass Ports
- Relief - No Overpressure Relief Valve
- Tag - Stainless Steel
- Electrical Contacts - Gold Contacts
AT11910-00-AB2OPV
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Stainless Steel Ports
- Relief - Overpressure Relief Valve Materials Same as Port
- Tag - None
- Electrical Contacts - Standard
AT11910-00-AB2OPVG
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Stainless Steel Ports
- Relief - Overpressure Relief Valve Materials Same as Port
- Tag - None
- Electrical Contacts - Gold Contacts
AT11910-00-AB2OPVT2
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Stainless Steel Ports
- Relief - Overpressure Relief Valve Materials Same as Port
- Tag - Stainless Steel
- Electrical Contacts - Standard
AT11910-00-AB2OPVT2G
- Base Model - Pressure Switch with ATEX Enclosure
- Pressure Range - Inches WC: 0.07 to 0.15
- Enclosure Material - Aluminum
- Cover for Local Enclosure - Blind Cover
- Pressure Port Material - 1/8” Female NPT Stainless Steel Ports
- Relief - Overpressure Relief Valve Materials Same as Port
- Tag - Stainless Steel
- Electrical Contacts - Gold Contacts
1 - 12 of 96 Part Numbers
Specifications
Brand
Adjustment Type
- Field Adjustable
Approvals & Certifications
- ATEX
- CE
- IEC Ex
Deadband, Approximate
- bar: 0 to 0.03
- kPa: 0.28 to 3.45
- psi: 0.04 to 0.50
Electrical Connectors
- 1/2” NPT Male
- Screw Typical
Electrical Contacts
- Gold
- Standard
Electrical Rating
- 15 A at 120-480 Vac, 60 Hz Resistive, 1/8 hp at 125 Vac, 1/4 hp at 250 Vac, 60 Hz
Enclosure, Body Material
- Aluminum
Environmental Protection
- IP65
- IP66
NPT Connection
- 1/8” NPT Female
Operating Temperature
- -34° to 82° C (-30° to 180° F)
Process Connection Material
- 316 Stainless Steel
- Brass
Set Point - Decreasing
- Inches WC: 0.07 to 20
Set Point - Increasing
- Inches WC: 0.07 to 20
Switch Type
- SPDT
System Pressure
- Inches WC: 45
- Hazardous area low pressure applications
- Air conditioning refrigeration coil icing detection; defrost cycle initiation
- Clogged filter detection
- Variable air volume controller