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Model 140 Div 1 Hazardous Locations

"Diaphragm Type"

 Differential Pressure Switch
Electrical Configurations C & D
Class l, Division 1, Groups C & D
Class ll, Division 1, Groups E, F, & G

Certifications:

  • CSA Certified to Canadian and US Standards

Dimensions:       

 See 140_dimension_haz_loc Division 1

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Product Features/Benefits

  • Indication and Pressure Containing Element design identical to Standard product
  • Dial Sizes: 2 -1/2", 3 1/2" (Enclosed in 4 1/2" Enclosure), 4 1/2"
  • Can be Purchased with or without Indication
    without Indication (Switch Only) will be enclosed in 2 1/2" Enclosure
  • Explosion-Proof Design
  • CSA Listed to Canadian and US Standard (Switch and transmitter)
  • Ranges, Scales, Dial Sizes, Elastomers etc. available are equivalent to Non-Hazardous Location product
  • Hermetically Sealed Switch Design
  • Aluminum Electrical Enclosure (NEMA 4X optional)
  • 1/2" FNPT Conduit with Color Coded Leads; 24" Long
  • No Input Power required to operate the switches
  • For complete model details See BULLETIN_140, BULLETIN_142
  • Installation and Operation Manual (Refer to Hazardous Locations section. Electrical Configurations C & D) ELECIOM_142 and ELECIOM_140

Specifications / Configuration

  • Working Pressures Hazardous Locations Model 140:
    Aluminum 3000 PSIG;    NACE 1625 PSIG
    Brass 1500 PSIG
    Stainless Steel: 3000 PSIG; NACE 1625 PSIG
  • Operating Temp:
    Switches: -40°F to +200°F (-40°C to +93°C)
  • Configuration Limitations:
    No Reverse Process Connections
    Wall Mount Feet are Std
    When Purchasing order with "3" Bottom connection Option
    Connections 1/4" MNPT instead of 1/4" FNPT

Electrical Specifications:

See Bulletin:  Specificationsheet_140     Refer to  Electrical  Configurations C & D

Switch Electrical Specifications: See Bulletin: ELECIOM_140

Mid-West Hazardous Locations Indicating / Non-indicating  switch (Electrical Configurations C or D) is intended for use in Division 1 hazardous Locations.  Division 1 rated equipment can be used in Division 2 locations.

  • 1 or 2 Independently adjustable SPST or SPDT Switches
  • Optional Weather-proof  NEMA 4X Rated enclosure
  •  ½”FNPT Conduit Access
  • Color Coded 18 Awg. Flying leads
  • Chained switch Access Plug
Type SPST (Normally Open) SPDT
*Power 25 Watt 3 Watt
Maximum Current 0.5 Amps 0.25 Amps
Maximum Voltage 240 VAC/VDC 125 VAC/VDC
Switch Setting
%Full Scale		 15 to 90 15 to 90
Hysteresis
Maximum/Nominal		 15% / 8%
Full Scale		 10% / 5%
Repeatability 1% Full Scale 1% Full Scale

The Mid-West Advantage

Model 140 Div 1 Hazardous LocationsDocuments

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“Piston Type” Hazardous Locations Product

Model No. Differential Pressure Range Accuracy Working Pressure Electrical Available Specifications Installation/ Operation Manual Electrical IOM Drawing
Model 120 0-5 PSID to 0-110 PSID ±3/2/3% Up to 6,000 PSI CE / LVD, RoHS Compliant, NEMA 4X, Flying Leads / DIN Connector, Class 1-Div. 1, Class 1-Div. 2
Model 121 0-5 PSID to 0-100 PSID ±3/2/3% Up to 6,000 PSI CE / LVD, RoHS Compliant, NEMA 4X,Terminal Strip, Class 1-Div. 2, 4-20mA Transmitter N/A
Model 220 0-5 PSID to 0-100 PSID ±3/2/3% Up to 4,000 PSI CE / ATEX / RoHS Compliant, KOSHA CERTIFIED, NEMA 4X, Terminal Strip, Class 1-Div. 1, Class 1-Div. 2, 4-20mA Transmitter N/A

“Diaphragm Type” Hazardous Locations Product

Model No. Differential Pressure Range Accuracy Working Pressure Electrical Available Specifications Installation/ Operation Manual Electrical IOM Drawing
Model 130 0-5" H2O to 0-15 PSID (0-400" H2O) 0-5" H2O to 0-9.9" H2O
±5%
0-10" H2O to 0-15 PSID
±3/2/3%		 Up to 500 PSI CE / LVD, RoHS Compliant, NEMA 4X, Class 1-Div. 1
Model 140 0-50" H2O to 0-100 PSID 0-50" H2O to 0-399" H2O
±5%
0-15 PSID to 0-100 PSID
±3/2/3%		 Up to 3,000 PSI CE / LVD, RoHS Compliant, NEMA 4X, Terminal Strip, Class 1-Div. 1, Class 1-Div. 2, 4-20mA Transmitter N/A
Model 142 0-20" H2O to 0-25 PSID ±3/2/3% Up to 3,000 PSI CE / LVD, RoHS Compliant, NEMA 4X, Terminal Strip, Class 1-Div. 2, 4-20mA Transmitter
Model 240 0-20" H2O to 0-100 PSID ±3/2/3% Up to 1500 PSI CE / ATEX / RoHS Compliant CSA, UL & KOSHA CERTIFIED, NEMA 4X, Terminal Strip, Class 1-Div. 1, Class 1-Div. 2, 4-20mA Transmitter N/A
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