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Model 120 Div 1 Hazardous Locations

"Piston Type"

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

Certifications:

  • CSA Certified to Canadian and US Standards
  • UL Listed to US Standards

Dimensions:       

 See 120_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 ordered with or without Indication (Switch Only)
    (Without Indication will be enclosed in 2 1/2" Enclosure)
  • Explosion-proof Design
  • CSA Listed to Canadian and US Standard ; UL Listed to US Standards
  • 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
  • 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 J &K) 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:
    No Reverse Process Connections
    Wall Mount Feet are Std
    Process Ports exit the bottom of the enclosure. 1/4" MNPT
    When Purchasing order with "0" connection Option

Electrical Specifications:

See Bulletin:  Specificationsheet_120,      Refer to  Electrical  Configurations J & K

Switch Electrical Specifications: See Bulletin: ELECIOM_120

Mid-West Hazardous Locations Indicating / Non-indicating  switch (Electrical Configurations J or K) 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 Adjust Access Plugs
    • Note: Plugs must be reinstalled with a minimum 5 threads engagement 
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

Additional Options:

  • Pipe Mounting Kit - 2" U-bolt
  • Liquid Fill
  • Oxygen Cleaning
  • Maximum Indicator Follower Pointer
  • NACE Compliance
  • CRN - Canadian Registration Number

The Mid-West Advantage

Model 120 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 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