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Model 120 Div 2 Hazardous Locations

"Piston Type"

 Differential Pressure Switch
Electrical Configurations E & F
Class l, Division 2, Groups A, B, C & D
Class ll, Division 2, Groups F & G

Certifications:

  • CSA Certified to Canadian and US Standards

Dimensions:       

 See 120_dimension_haz_loc Division 2

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Product Features/Benefits

  • Indication and Pressure Containing Element design identical to Standard product
  • Lower Cost when Compared to Explosion-proof designs
  • CSA Listed to Canadian and US Standard
  • Ranges, Scales, Dial Sizes, Ports, Elastomers etc. available are equivalent to Non-Hazardous Location product
  • Hermetically Sealed Switch Design
  • Weatherproof NEMA 4X Electrical Enclosure
  • 1/2" FNPT Conduit with Color Coded Leads
  • No Input Power required to operate the switches
  • For complete model details See BULLETIN_120
  • Installation and Operation Manual (Refer to Hazardous Locations section. Electrical Configurations E & F) ELECIOM_120

Specifications / Configuration

  • Working Pressures Hazardous Locations Model 120:
    Aluminum 3000 PSIG;
    Stainless Steel: 5000 PSIG;

    Note: Not available with Monel or Al-Br
  • Operating Temp:
    Switches: -40°F to +200°F (-40°C to +93°C)
  • Configuration Limitations:
    Pipe Mounting Kit, Std Field Mounting Holes, and Wall Mounting Kit are not available
    1/2" Adapters not available with back Connections
    SS Tag and screw Option Please Contact factory

Electrical Specifications:

See Bulletin:  Specificationsheet_120,      Refer to  Electrical  Configurations E & F

Switch Electrical Specifications: See Bulletin: ELECIOM_120

Mid-West Hazardous Locations Indicating / Non-indicating  switch (Electrical Configurations E or F) is intended for use in Division 2 hazardous Locations.

  • 1 or 2 Independently adjustable SPST or SPDT Switches
  • Weather-proof  NEMA 4X Rated enclosure with ½”FNPT Conduit
  • Color Coded 18 Awg. Flying Leads
Parameter

SPST (Normally Open)
(Normally Closed)

 SPDT SPDT
Options E, F, G A H
*Power 60 Watt 3 Watt 60 Watt
Maximum Current 3.0 Amps 0.25 Amps 1.0 Amps
Maximum Voltage 240 VAC/VDC 125 VAC/VDC 240 VAC/VDC
Switch Setting
%Full Scale		 25 to 95 15 to 90 25 to 100
Hysteresis FSR
Maximum/Nominal		 15% / 8% 10% / 5% 20% / 13%
Repeatability 1% Full Scale 1% Full Scale 1% Full Scale

* Product of the switching Voltage and Current Shall not exceed the Power Rating

The Mid-West Advantage

Model 120 Div 2 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