Industrial Pressure Switches for Harsh Environments

PSW-200

See All Models Below

PLACE ORDER

Rugged One-Piece Epoxy-Coated Aluminum Body
Meets NEMA-4X Classifications
UL Listed, cUL Certified
Stainless Steel Nameplate
Internal Reference Scale with Adjustment Lock
Hermetically Sealed SPDT or DPDT Switch
UL Listed, cUL Certified Class I, Division 2, Groups A, B, C, D Class II , Division 2, Group G Class III

Pressure Switches - View related products

Description

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")

(Specify Model Number)

Part Number/Desc.

Qty

Description

Buna-N Diaphragm, O-ring with 1/2 NPTF Aluminum Connection

PSW-221

Consult Sales

Availability:

-300 to 0 in H2O vacuum switch with Buna-N diaphragm and O-ring, 1/2 NPTF fitting and 11 amp SPDT switch

PSW-225

Consult Sales

Availability:

2.5-50 in H2O pressure switch with Buna-N diaphragm and O-ring, 1/2 NPTF fitting and 11 amp SPDT switch

PSW-225D

TWD39,575

Availability: 6 weeks

2.5-50 in H2O pressure switch with Buna-N diaphragm and O-ring, 1/2 NPTF fitting and 11 amp DPDT switch

PSW-226

Consult Sales

Availability:

10-250 in H2O pressure switch with Buna-N diaphragm and O-ring, 1/2 NPTF fitting and 11 amp SPDT switch

PSW-226D

TWD26,420

Availability: 1 week

10-250 in H2O pressure switch with Buna-N diaphragm and O-ring, 1/2 NPTF fitting and 11 amp DPDT switch

Buna-N Diaphragm, O-Ring, 1/4 NPTF 304 SS Connection

PSW-236

TWD20,796

Availability: 1 week

3-100 psi pressure switch with Buna-N diaphragm and O-ring, 1/4 NPTF fitting and 11 amp SPDT switch

PSW-238

Consult Sales

Availability:

15-500 psi pressure switch with Buna-N diaphragm and O-ring, 1/4 NPTF fitting and 11 amp SPDT switch

PSW-238D

TWD21,600

Availability: 1 week

15-500 psi pressure switch with Buna-N diaphragm and O-ring, 1/4 NPTF fitting and 11 amp DPDT switch

PSW-240D

TWD20,915

Availability: 6 weeks

100-1700 psi pressure switch with Buna-N diaphragm and O-ring, 1/4 NPTF fitting and 11 amp DPDT switch

Welded 304 SS Diaphragm, 1/2 NPTF 316SS Connection

PSW-241

TWD20,235

Availability: 1 week

5-30 psi pressure switch with 316SS diaphragm,1/2 NPTF fitting and 11 amp SPDT switch

PSW-242

TWD19,525

Availability: 7 weeks

10-100 psi pressure switch with 316SS diaphragm,1/2 NPTF fitting and 11 amp SPDT switch

PSW-243

TWD19,525

Availability: 6 weeks

15-300 psi pressure switch with 316SS diaphragm,1/2 NPTF fitting and 11 amp SPDT switch

PSW-245D

Consult Sales

Availability:

80-1700 psi pressure switch with 316SS diaphragm,1/2 NPTF fitting and 11 amp DPDT switch

† All prices on this site are shown in Taiwan Dollars.
Note: DPDT switches are manufactured so that contact transfer of both switches occurs at the same time for rising pressure set points. For falling pressure set points, a small amount of non-simultaneity in the switch outputs may be observed.
Ordering Example: (1) PSW-236 is a 3-100 psi pressure switch with Buna-N diaphragm and O-ring, 1/4 NPTF fitting and 11 amp SPDT switch, TWD20,796