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
Contact Us Today For Availability
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
Model 120 Div 2 Hazardous LocationsDocuments
“Piston Type” Hazardous Locations Product
“Diaphragm Type” Hazardous Locations Product