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Delta Controls Pressure Switch 201
Price
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Stock
In Stock
2 - 4 weeks
Enclosure
- Zinc Alloy But Exn with Investment Cast Enclosure in Austenitic Stainless Steel
Model
- Fixed Switching Differential
Electrical Entry
- M20 x 1.5 ISO Thread (Direct)
Wetted Material
- Stainless Steel Bellows/Capsule Stack & Process Connection All-Welded Fabrication
Setting Range
- psi: -14.5 to 20
Switch Option
- 5 A, 110/250 Vac & 2 A, 30 Vdc, SPDT
Process Connection
- 1/2"-14 NPT Internal
Specifications
Brand
Adjustment Type
- Set Point Field Adjustable
Ambient Temperature Range
- -25° to 60° C (-13° to 140° F)
Applications
- Chemical Industry
- Food Industry
- Oil & Gas Applications
- Petrochemical
- Power
- Refining
Approvals & Certifications
- ATEX
- CE
- CSA
- Ex II 2 GD, II 3 GD
- IEC Ex: Ex db IIC T4 & T6 Gb
- LVD 2014/35/EU
- PED 97/23/EC
BSP Connection
- 1/4” BSPT Female
Cable Entry
- 1/2” NPT Female
- 3/4” NPT Female
- Cable Gland & Back Nut: M20
- M20 x 1.5
Conduit Connection
- 3/4” Conduit
Electrical - Free Leads
- 14 AWG, 2.5 mm²
Electrical Connectors
- Terminal Block
Electrical Contacts
- Gold Alloy Contacts for Low Voltage Switching
- Gold-Plated Silver
Electrical Rating
- CSA & IEC: 1 A at 125 Vac - Models 201, 203 & 281
- CSA: 1 A at 30 Vac/dc - Models 201 & 281
- CSA: 100 mA at 30 Vdc - Models 201, 203 & 281
- CSA: 2 A at 30 Vdc - Models 201, 202, 203 & 281
- CSA: 5 A at 110/250 Vac - Models 201, 202, 203 & 281
- CSA: 5 A at 30 Vdc - Models 201 & 281
- IEC 947-5-1 / EN 60947-5-1: 0.22 / 0.1 A at 125/250 Vdc - Models 201, 202, 203 & 281
- IEC 947-5-1 / EN 60947-5-1: 0.3 A at 120 Vac - Models 201 & 281
- IEC 947-5-1 / EN 60947-5-1: 0.6 / 0.3 A at 120/240 Vac - Models 201, 202, 203 & 281
Enclosure Finish
- Light Gray Epoxy Resin Paint
Enclosure, Body Material
- Flameproof: Die Cast Aluminum-silicon Alloy
- Flameproof: Sand Cast in Grey Iron
- Weatherproof & Exn: Austenitic Stainless Steel
- Weatherproof & Exn: Die Cast Zinc Alloy
Environmental Protection
- Flameproof Ex d
- IP54
- IP66
- NEMA 4
- NEMA 4X
- Weatherproof
Mounting
- 2” Pipe Mounting Bracket
Mounting Position
- Vertical
NPT Connection
- 1/2”-14 Female NPT
- 1/2”-14 Male NPT
- 1/4”-18 Female NPT
Operating Pressure
- Maximum 100 bar (1,400 psi)
Process Connection Material
- Nickel Alloy (Monel)
- Stainless Steel
Process Temperature
- 0° to 120° C (32° to 248° F) - Max.
Repeatability
- Set Point Repeatability: ± 0.5 % of Span at 20° C (68° F) Ambient
Sensor, Probe Material
- Stainless Steel
Service
- Oxygen Service
Set Point - Decreasing
- bar: -1 to 75
- Inches Hg: -30 to 0
- Inches WC: -5 to 50
- kPa: -100 to 7,500
- mbar: -1,000 to 350
- psi: -14.5 to 1,000
Set Point - Increasing
- bar: -1 to 75
- Inches Hg: -30 to 0
- Inches WC: -5 to 50
- kPa: -100 to 7,500
- mbar: -1,000 to 350
- psi: -14.5 to 1,000
Static Pressure
- psi: 0 to 1,400 (kPa: 0 to 10,000, bar: 0 to 100)
Storage Temperature
- -25° to 60° C (-13° to 140° F)
Switch Type
- DPDT Hermetically Sealed & Snap-Action Microswitch
- SPDT Hermetically Sealed & Snap-Action Microswitch
System Pressure
- bar: 100
- kPa: 10,000
- psi: 1,400
Voltage
- Impulse to Withstand Voltage Across Contacts: 0.5 kV - Models 231 & 234
- Impulse to Withstand Voltage Across Contacts: 0.8 kV - Models 231, 232, 233 & 234
- Insulation Voltage: 125 V - Models 201 & 281
- Insulation Voltage: 250 V - Models 201, 202, 203 & 281
- Withstand Voltage: 1.2 kV - Micro Switch Codes H2, H3, H4 & H6
- Withstand Voltage: 2 kV between Live Parts & Earth/Ground
- Withstand Voltage: 500 V between Open Contacts
Wetted Materials
- Bellows/Capsule Stack: Nickel Alloy (Monel)
- Bellows/Capsule Stack: Stainless Steel
