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101/121 Differential Pressure Switch
Brand: SOR Inc
101/121 differential pressure switches are rugged, field-mounted instruments that incorporate a flexible modular design providing cost effective sensing solutions.
The two-piece piston design allows for complete differential pressure reversal without damage.
Specifications
Brand
Adjustment Type
- Field Adjustable
Ambient Temperature Range
- -34° to 80° C (-30° to 180° F)
Approvals & Certifications
- ATEX Ex db IIC T6/T5 Gb, II 2 G EEx M II
- CRN - Canadian Registration Number
- CSA: for Hazardous Locations Class I, Grade A, B, C, D, Class II, Groups E, F, G, Divisions 1 & 2
- GOST-R
- IECEx db IIC T6/T5 Gb
- INMETRO Ex db IIC T6/T5 Gb
- RTN
- SAA
- TestSafe: for Hazardous Locations Ex S Zone 2 IIC T4 IP65, Ex TD A22 T105° C IP65
- UL: for Hazardous Locations Class I, Grade A, B, C, D, Class II, Groups E, F, G, Divisions 1 & 2
Approvals & Certifications
- Calibration
- Compliance/Conformance
- Dielectric Test
- Hydrostatic Pressure Test
- Inspection Report
- Insulation Resistance
- SIL 1 & 2 Certification
- Typical Material of Wetted Parts
BSP Connection
- Pressure Port: 1/4” BSP Female
Cover Material
- Aluminum - Housing Model TA
Deadband
- Typical psi: 0.5 to 20 (kPa: 3 to 140, bar: 0.03 to 1.4)
Diaphragm Material
- 316 Stainless Steel
- Hastelloy B
- Teflon-Coated Polyimide (TCP) with Allowable Temperature -34° to 204° C (-30° to 400° F)
- Viton
Differential Pressure
- Maximum
Electrical - Free Leads
- 18”, 18 AWG Wire Leads - Switching Elements J, A, E, B, T, H, D, M, KB, AF, EF, JR, JF, BD, KK, JJ, GG, AA, LL, EE, BB, YY, EB, AG, EG, JB & JG
Electrical Connectors
- 1/2” NPT Female
- 1/2” NPT Male - Housing AG & AH
- 3/4” NPT Female - Housing PP, P3, NN, N3, N4, N6, RN, RT, RB, BA, L, LC, S, SC, TA, B3 & B6
- Exposed Contacts - Housing H3
- M20 x 1.5 Female - Housing RM, RS, B4 & B5
- Screw Terminal - Switching Elements K, KA, G, L, C, S, Y & W
- Terminal Block (6-place Compression Typical)
Electrical Contacts
- Lower Power & Hermetically Sealed Gold Contacts
- Normally Closed
- Normally Open
Electrical Rating
- 0.25 A at 250 Vdc Resistive - ATEX Approved II 2 G EEx d IIC Microswitch Only
- 0.3 A at 125 Vdc, Resistive - High Ambient Temperature Rating 204.4° C (400° F)
- 0.4 A at 125 Vdc, Resistive - Normal Service AC, Wide Adjustable Dead Band, Corrosion Resistant Explosion-Proof Hermetically Sealed Switching Element
- 0.5 A at 125 Vdc, Resistive - Wide Dead Band AC, AC or DC, Narrow Dead Band DC, Very Wide Dead Band DC, High Ambient Temperature Rating 204.4° C (400° F), Manual Reset - Decreasing & Increasing Pressure (Automatic Actuation Increasing & Decreasing Pr
- 1 A at 125 Vac - Low Power Gold Contacts & Corrosion Resistant Explosion-Proof Lower Power Service Hermetically Sealed Gold Contacts
- 1 A at 28 Vdc, Resistive - Low Power Gold Contacts & Corrosion Resistant Explosion-Proof Lower Power Service Hermetically Sealed Gold Contacts
- 1 A at 30 Vdc, Resistive - Low Power Gold Contacts & Corrosion Resistant Explosion-Proof Lower Power Service Hermetically Sealed Gold Contacts
- 1.5 A Min. at 125 Vdc, Resistive - Very High Capacity DC Magnetic Blow-Out
- 10 A at 125 Vac - Very High Capacity DC Magnetic Blow-Out
- 10 A at 30 Vdc, Resistive - Wide Dead Band DC
- 10 A, Max.
- 11 A at 250 Vac - AC or DC & Corrosion Resistant Explosion-proof Hermetically Sealed Switching Element
- 15 A at 250 Vac - Normal Service AC, Wide Dead Band AC or DC, Very Wide Dead Band DC, Wide Adjustable Dead Band, Narrow Adjustable Dead Band, Manual Reset - Decreasing or Increasing Pressure (Automatic Actuation Increasing or Decreasing Pressure), Corrosi
- 5 A at 250 Vac - Narrow Dead Band DC, High Ambient Temperature Rating 204.4° C (400° F), Corrosion Resistant Explosion-proof Hermetically Sealed Switching Element
- 5 A at 30 Vdc, Resistive - Normal Service AC, AC or DC, Narrow Dead Band DC, Corrosion Resistant Explosion-proof Hermetically Sealed Switching Element
- 7 A at 250 Vac - ATEX Approved II 2 G EEx d IIC Microswitch Only
- 7 A at 30 Vdc, Resistive - ATEX Approved II 2 G EEx d IIC Microswitch Only
Enclosure Finish
- Epoxy Coated (Exterior Only)
- Epoxy Powder-Coated
- Fungicidal Varnish
Enclosure, Body Material
- 316 Stainless Steel - Housing Model RT, RS & AH
- Aluminum - Housing Model PP, P3, H3, NN, N3, N4, RN, RM, RB, AG, BA, LC, SC, TA, B3 & B4
- Carbon Steel - Housing Model N6
- Cast Iron - Housing Model L, S, B5 & B6
Environmental Protection
- Explosion-proof
- Hazardous Area
- IP10
- IP65
- IP66
- NEMA 1
- NEMA 4
- NEMA 4X
- Non-Hazardous Area
Gasket Material
- Cover Gasket: Neoprene
- Viton
Maximum System Pressure
- psi: 1,000 (kPa: 6,900, bar: 69) - Series 121
- psi: 500 (kPa: 3,400, bar: 34) - Series 101
Mounting
- Pipe Mounting Kit for 1-1/2 to 2” Pipe
Name Plate, Tag Material
- Stainless Steel
- Fiber
NPT Connection
- 1/2” NPT Male
- 1/4” NPT Male
- Pressure Port: 1/4” NPT Female
O-Ring Material
- Buna-N with Allowable Temperature -34° to 93° C (-32° to 200° F)
- Viton with Allowable Temperature 0° to 204° C (32° to 400° F)
Operating Pressure
- Maximum
Pressure Range
- psid: 3 to 500 (kPa: 20 to 3,450, bar: 0.2 to 34.5)
Pressure Type
- Differential
Process Connection Material
- Pressure Port: 316 Stainless Steel Wrought CF-8M Cast Alloy
Set Point - Decreasing
- bar: 0.2 to 34.5
- kPa: 20 to 3450
- psi: 3 to 500
Set Point - Increasing
- bar: 0.2 to 34.5
- kPa: 20 to 3450
- psi: 3 to 500
Special Cleaning & Packaging
- Wetted Parts are Cleaned for Oxygen Service
Spring Material
- Elgiloy - Switching Elements B, W & Y
Switch Type
- DPDT
- SPDT
System Pressure
- bar: 0 to 69
- kPa: 0 to 6,900
- psi: 0 to 1,000
- Fluid Power Applications
- Low to High Differential Pressure
- Process Applications