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Industrial Hermetic Pressure Switch for Harsh Environments
-300 to 0 inH2O, fixed deadband
- Rugged One-Piece Epoxy-Coated Aluminum Body
- Meets NEMA-4X Classifications
- UL Listed, cUL Certified
- Stainless Steel Nameplate
PSW-221 Model Options
View all modelsEdit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.
*Highlighted options are not compatible. Please select a different combination.
Switch Type
Pressure Range
Pressure Type
Pressure Port Size
Deadband Range
Pressure Port Type
Deadband
Features
- Connection Gender Female
- Enclosure Rating NEMA-4X
- Maximum Ambient Temperature 70 {C} (158 {F})
- Maximum Rating 11
- Maximum Storage Temperature 71 {C} (160 {F})
- Minimum Ambient Temperature -40 {C} (-40 {F})
- Minimum Storage Temperature -54 {C} (-67 {F})
- Pressure Type Gauge
- Pressure Units PSIG
- repeatability +/-1% to +/-1.5% of Adjustable Range
- Shock Setpoint repeats after 15 g
- Vibration Setpoint repeats after 2.5 g
SPECIFICATIONS
Approvals:UL Listed, cUL Certified
Storage Temperature: -54 to 71°C (-65 to 160°F)
Ambient Temperature Limits: -40 to 71°C (-40 to 160°F), except Models PSW-234 to PSW-240, and PSW-221 to PSW-226: -18 to 71°C (0 to 160°F). Setpoint typically shifts less than 1% of range for a 28°C (50°F) ambient temperature change
Process Temperature:
Stainless steel: -57 to 204°C (-70 to 400°F)
Phosphor bronze: -40 to 149°C (-40 to 300°F)
Buna-N: -23 to 93°C (-10 to 200°F)
Shock: Setpoint repeats after 15 g, 10 ms duration
Vibration: Setpoint repeats after 2.5 g, 5 to 500 Hz
Enclosure Classification: Complies with NEMA-4X
Setpoint Repeatability: 1% of adjustable range, except models PSW-241 to PSW-245D, 1.5%
Switch Output: Hermetically sealed SPDT or DPDT
Electrical Output: 11 A, 125/250 Vac resistive
Enclosure: Die cast aluminum, epoxy coated, gasketed
Weight: 0.7 to 2.7 kg (1.5 to 6 lb) (varies by model)
Electrical Connection: 1/2 NPT and (2) 22 mm (7/8 in) diameter knockouts
Pressure Connection: 1/2 NPTF, or 1/4 NPTF as noted in 'To Order' table
Dimensions:
psi ranges: 214 max H x 101 W x 60 mm D (8.4 max 4 x 2.3')
inH2O ranges: W and D = 152 mm (6')
Approvals:UL Listed, cUL Certified
Storage Temperature: -54 to 71°C (-65 to 160°F)
Ambient Temperature Limits: -40 to 71°C (-40 to 160°F), except Models PSW-234 to PSW-240, and PSW-221 to PSW-226: -18 to 71°C (0 to 160°F). Setpoint typically shifts less than 1% of range for a 28°C (50°F) ambient temperature change
Process Temperature:
Stainless steel: -57 to 204°C (-70 to 400°F)
Phosphor bronze: -40 to 149°C (-40 to 300°F)
Buna-N: -23 to 93°C (-10 to 200°F)
Shock: Setpoint repeats after 15 g, 10 ms duration
Vibration: Setpoint repeats after 2.5 g, 5 to 500 Hz
Enclosure Classification: Complies with NEMA-4X
Setpoint Repeatability: 1% of adjustable range, except models PSW-241 to PSW-245D, 1.5%
Switch Output: Hermetically sealed SPDT or DPDT
Electrical Output: 11 A, 125/250 Vac resistive
Enclosure: Die cast aluminum, epoxy coated, gasketed
Weight: 0.7 to 2.7 kg (1.5 to 6 lb) (varies by model)
Electrical Connection: 1/2 NPT and (2) 22 mm (7/8 in) diameter knockouts
Pressure Connection: 1/2 NPTF, or 1/4 NPTF as noted in 'To Order' table
Dimensions:
psi ranges: 214 max H x 101 W x 60 mm D (8.4 max 4 x 2.3')
inH2O ranges: W and D = 152 mm (6')
RoHS 2015/863 - View Certificate
UL cULus Listed
