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Pressure Switches  
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  Image of General Purpose Pressure Switches, In NEMA-4X Enclosures - Click for more details
More Info		   Image of General Purpose Pressure Switches, In NEMA-4X Enclosures - Click for more details
More Info		   Image of Low Differential Pressure Switches, SPDT Relay Output - Click for more details
More Info		   Image of General Purpose Differential Pressure Switches - Click for more details
More Info		   Image of Economical Differential Pressure Switches/Alarms - Click for more details
More Info		   Image of Economical Brass Pressure Switches - Click for more details
More Info		   Image of Industrial Pressure Switches for Harsh Environments - Click for more details
More Info		   Image of Industrial Pressure Switches for Harsh Environments - Click for more details
More Info		   Image of NEMA-4X Watertight Pressure Switch for Harsh or Corrosive Environments - Click for more details
More Info		   Image of NEMA-4X Watertight Pressure Switch for Harsh or Corrosive Environments - Click for more details
More Info		   Image of NEMA-4X Watertight Pressure Switch for Harsh or Corrosive Environments - Click for more details
More Info		   Image of NEMA-4X Watertight Pressure Switch for Harsh or Corrosive Environments - Click for more details
More Info		   Image of NEMA-4X Differential Pressure Switches - Click for more details
More Info		   Image of NEMA-4X Differential Pressure Switches - Click for more details
More Info		   Image of Stainless Steel Pressure Switches for Harsh Environments, Dual 15 A SPDT Switches - Click for more details
More Info		   Image of Heavy Duty
More Info		   Image of Heavy Duty
More Info		   Image of Heavy Duty
More Info		   Image of Heavy Duty
More Info		   Image of Miniature Pressure and Vacuum Switches - Click for more details
More Info		   Image of Miniature Pressure and Vacuum Switches - Click for more details
More Info		   Image of Miniature Pressure and Vacuum Switches - Click for more details
More Info		   Image of Miniature Pressure and Vacuum Switches - Click for more details
More Info		   Image of Miniature Pressure and Vacuum Switches - Click for more details
More Info		   Image of Miniature Pressure and Vacuum Switches - Click for more details
More Info		   Image of Economical OEM Pressure Switches, Vacuum to 500 psi - Click for more details
More Info		   Image of Solid State Switches for High Cycle Applications - Click for more details
More Info		   Image of Economical Pressure and Vacuum Switches - Click for more details
More Info		   Image of Economical Pressure and Vacuum Switches - Click for more details
More Info		   Image of Economical Pressure and Vacuum Switches - Click for more details
More Info		   Image of Economical Pressure and Vacuum Switches - Click for more details
More Info		   Image of Economical Low Pressure/Vacuum Switches - Click for more details
More Info		   Image of Economical Low Pressure/Vacuum Switches - Click for more details
More Info		   Image of Economical Low Pressure/Vacuum Switches - Click for more details
More Info		   Image of Economical Low Pressure/Vacuum Switches - Click for more details
More Info		   Image of Heavy Duty Industrial Switches, Single or Dual Setpoint, Internal or External Adjustment - Click for more details
More Info		   Image of Heavy Duty Industrial Switches, Single or Dual Setpoint, Internal or External Adjustment - Click for more details
More Info		   Image of Heavy Duty Industrial Switches, Single or Dual Setpoint, Internal or External Adjustment - Click for more details
More Info		   Image of Heavy Duty Industrial Switches, Single or Dual Setpoint, Internal or External Adjustment - Click for more details
More Info		   Image of Industrial Switches, Pressure/Vacuum Ranges - Click for more details
More Info		   Image of Industrial Switches, Pressure/Vacuum Ranges - Click for more details
More Info		   Image of Economical Industrial Pressure Switches for Vacuum to 7500 psi - Click for more details
More Info		   Image of Economical Industrial Pressure Switches for Vacuum to 7500 psi - Click for more details
More Info		   Image of General Purpose Controls with Choice of Dual or Triple Switches - Click for more details
More Info		   Image of General Purpose Controls with Choice of Dual or Triple Switches - Click for more details
More Info		   Image of General Purpose Controls with Choice of Dual or Triple Switches - Click for more details
More Info		   Image of General Purpose Controls with Choice of Dual or Triple Switches - Click for more details
More Info		   Image of Compact, Vibration Resistant Switches for Division 1 Hazardous Locations - Click for more details
More Info		   Image of Compact, Vibration Resistant Switches for Division 1 Hazardous Locations - Click for more details
More Info		   Image of General Purpose Industrial Switches, Pressure/Vacuum Ranges - Click for more details
More Info		   Image of General Purpose Industrial Switches, Pressure/Vacuum Ranges - Click for more details
More Info		   Image of Compact Switches for Pressure/Vacuum Ranges - Click for more details
More Info		   Image of Compact Switches for Pressure/Vacuum Ranges - Click for more details
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 Model  
PSW-100 Series(Gauge Pressure Units)
  
PSW-100 Series(Vacuum Units)
  
PSW-141 Series(Differential Units)
  
PSW-150 Series(Differential Units)
  
PSW-180 Series(Differential Units)
  
PSW-190 Series(Gauge Pressure Units)
  
PSW-200 Series(Gauge Pressure Units)
  
PSW-200 Series(Vacuum Units)
  
PSW-300 Series Dual Switch (Gauge)
  
PSW-300 Series Dual Switch (Vacuum)
  
PSW-300 Series(Gauge Pressure Units
  
PSW-300 Series(Vacuum Units)
  
PSW-350 Series Dual Switch(Differential)
  
PSW-350 Series(Differential
  
PSW-370 Series (Gauge)
  
PSW-400 Series Dual,Vacuum Pressure Units
  
PSW-400 Series Vacuum Pressure Units
  
PSW-400 Series(Gauge Pressure units)
  
PSW-400 Series,Dual(Gauge Pressure units)
  
PSW-520 Series(Guage Units)
  
PSW-530 Series(Gauge Units)
  
PSW-540 Series(Vacuum Units)
  
PSW-550 Series(Vacuum Units
  
PSW-560 Series(High Gauge Pressure Units)
  
PSW-570 Series(High Gauge Pressure Units)
  
PSW-580 Series
  
PSW-601Series, Solid State(Gauge)
  
PSW-620 Series(Gauge Units)
  
PSW-620 Series(Vacuum Units)
  
PSW-630 Series(Gauge Units)
  
PSW-630 Series(Vacuum Units)
  
PSW-681 Series(Low Pressure)
  
PSW-681 Series(Low Vacuum)
  
PSW-685 Series(Low Pressure)
  
PSW-685 Series(Low vacuum)
  
PSW-700Series, (Gauge Pressure Units)
  
PSW-700Series, (Vacuum Units)
  
PSW-700Series, Dual (Gauge Pressure Units)
  
PSW-700Series, Dual (Vacuum Units)
  
PSW-790 Series(Gauge Pressure Units)
  
PSW-790 Series(Vacuum Units)
  
PSW-800 Series(Gauge Pressure Units)
  
PSW-800 Series(Vacuum Unit)
  
PSW-850 Dual Switch(Gauge Pressure)
  
PSW-850 Dual Switch(Vacuum Pressure)
  
PSW-850 TripleSwitch(Gauge)
  
PSW-850 TripleSwitch(Vac)
  
PSW12 Series Dual(Gauge Pressure Units)
  
PSW12 Series(Gauge Pressure Units)
  
PSW490 Series(Gauge pressure Units)
  
PSW490 Series(Vacuum Units)
  
PSW495 Series (Gauge Pressure Units)
  
PSW495 Series (Vacuum Unit)
 Starting Price  
$106
  
$119
  
$98
  
$195
  
$75
  
$68
  
$232
  
$262
  
$255
  
$274
  
$260
  
$250
  
$405
  
$380
  
$365
  
$465
  
$440
  
$420
  
$445
  
$85
  
$125
  
$85
  
$125
  
$130
  
$130
  
$30
  
$375
  
$65
  
$65
  
$60
  
$60
  
$85
  
$85
  
$80
  
$80
  
$228
  
$467
  
$359
  
$389
  
$330
  
$350
  
$77
  
$77
  
$200
  
$211
  
$265
  
$275
  
$234
  
$207
  
$165
  
$195
  
$280
  
$299
 Starting Model  
PSW-107
  
PSW-127
  
PSW-141-FR
  
PSW-155
  
PSW-181
  
PSW-191
  
PSW-234
  
PSW-246D
  
PSW-325
  
PSW-321
  
PSW-302
  
PSW-301
  
PSW-361
  
PSW-351
  
PSW-370
  
PSW-421
  
PSW-401
  
PSW-405
  
PSW-425
  
PSW-521
  
PSW-531
  
PSW-541
  
PSW-551
  
PSW-561
  
PSW-571
  
PSW-581
  
PSW601B-30
  
PSW-621
  
PSW-626
  
PSW-631
  
PSW-636
  
PSW-681
  
PSW-681
  
PSW-685
  
PSW-685
  
PSW-731
  
PSW-721
  
PSW-715
  
PSW-711
  
PSW790B-L
  
PSW790B-A
  
PSW-802
  
PSW-801
  
PSW-852CJ
  
PSW-852CH
  
PSW-853CJ
  
PSW-853CH
  
PSW12T-AD
  
PSW12T-AS
  
PSW490B-M
  
PSW490B-A
  
PSW495B-30
  
PSW495B-30VAC
 Max Amp Rating for Series  
15
  
15
  
1
  
15
  
5
  
5
  
11
  
11
  
15
  
15
  
10
  
10
  
15
  
10
  
15
  
15
  
10
  
10
  
15
  
1
  
5
  
1
  
5
  
1
  
5
  
15
  
10
  
1
  
1
  
5
  
5
  
1
  
1
  
5
  
5
  
15
  
15
  
15
  
15
  
15
  
15
  
5
  
5
  
15
  
15
  
15
  
15
  
5
  
5
  
15
  
15
  
11
  
11
 Pressure Range Low  
3 psi
  
0.8 inHg
  
0.1 inH2O
  
6 psi
  
2 psi
  
10 psi
  
0.02 psi
  
0.05 inHg
  
0.3 psi
  
6 inHg
  
0.3 psi
  
6 inHg
  
0.2 psi
  
0.2 psi
  
0.2 psi
  
6 inHg
  
6 inHg
  
0.3 psi
  
0.3 psi
  
1.6 psi
  
1.2 psi
  
1.3 inHg
  
1.6 inHg
  
500 psi
  
500 psi
  
0.5 psi
  
3 psi
  
1.6 psi
  
2.7 inHg
  
1.6 psi
  
2.7inHg
  
2.75 inH2O
  
5.4 inH2O
  
2.75 inH2O
  
5 inH2O
  
0.02 psi
  
0.2 inHg
  
1 psi
  
0.2 inHg
  
0.4 psi
  
1.2 inHg
  
3 psi
  
4 inHg
  
0.2 psi
  
0.03 inHg
  
0.2 psi
  
0.4 inHg
  
30 psi
  
30
  
0.4 psi
  
2 inHg
  
1 psi
  
2 inHg
 Pressure Range High  
3000 psi
  
30 inHg
  
10 inH2O
  
90 psi
  
45 psi
  
3000 psi
  
1700 psi
  
30 inHg
  
3000 psi
  
30 inHg
  
3000 psi
  
30 inHg
  
400 psi
  
400 psi
  
3000 psi
  
30 inHg
  
30 inHg
  
3000 psi
  
3000 psi
  
500 psi
  
1000 psi
  
28.2 inHg
  
28.2 inHg
  
6000 psi
  
6000 psi
  
120 psi
  
20000 psi
  
500 psi
  
28.2 inHg
  
500 psi
  
28.2 inHg
  
200 inH2O
  
100 inH2O
  
200 inH2O
  
100 inH2O
  
1700 psi
  
20 inHg
  
3000 psi
  
30 inHg
  
3000 psi
  
30 inHg
  
7500 psi
  
30 inHg
  
500 psi
  
30 inHg
  
200 psi
  
30 inHg
  
6000 psi
  
6000
  
3000 psi
  
30 inHg
  
3000 psi
  
30 inHg
 Pressure Type  
Gauge
  
Vacuum
  
Gauge
  
Differential
  
Differential
  
Gauge
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Differential
  
Differential
  
Gauge
  
Vacuum
  
Vacuum
  
Gauge
  
Gauge
  
Guage
  
Gauge
  
Vacuum
  
Vacuum
  
Gauge
  
Gauge
  
Gauge
  
Gauge
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
  
Gauge
  
Gauge
  
Gauge
  
Vacuum
  
Gauge
  
Vacuum
 Pressure Units  
PSIG
  
inHg Vac
  
in H2O
  
PSID
  
PSID
  
PSIG
  
PSIG
  
inHg Vac
  
PSIG
  
inHg Vac
  
PSIG
  
inHg Vac
  
PSID
  
PSID
  
PSIG
  
inHg Vac
  
inHg Vac
  
PSIG
  
PSIG
  
PSIG
  
PSIG
  
inHg Vac
  
inHg Vac
  
PSIG
  
PSIG
  
PSIG
  
PSIG
  
PSIG
  
inHg Vac
  
PSIG
  
inHg Vac
  
inH2O
  
inH2O Vac
  
inH2O
  
inH2O Vac
  
PSIG
  
inHg Vac
  
PSIG
  
inHg Vac
  
PSIG
  
inHg Vac
  
PSIG
  
inHg Vac
  
PSIG
  
inHg Vac
  
PSIG
  
inHg Vac
  
PSIG
  
PSIG
  
PSIG
  
inHg Vac
  
PSIG
  
inHg Vac
 Repeatability  
+/-1% to +/-1.5% of Adjustable Range
  
+/-1% to +/-1.5% of Adjustable Range
  
+/-1% of Set Point
  
+/-1% of FS Range
  
+/-1% of Span
  
+/-1 to 1.5%FS Range
  
+/-1% to +/-1.5% of Adjustable Range
  
+/-1% to +/-1.5% of Adjustable Range
  
+/-1% of Range
  
+/-1% of Range
  
+/-1% of Range
  
+/-1% of Range
  
+/-1% of Range
  
+/-1% of Range
  
+/-1% of Range
  
+.-1% FS Range
  
+/-1% FS Range
  
+/-1% FS Range
  
+/-1% FS Range
  
+/-0.6 to +/-10psig
  
+/-0.8 to +/-40 psig
  
+/-1.2 to +/-4 inHg
  
+/-1.6 to +/-8 inHg
  
not available
  
not available
  
+/-0.15psig to +/-20psig
  
+/-0.5% FS Range
  
+/-2%Max System Pressure
  
+/-2%Max System Pressure
  
+/-2%Max System Pressure
  
+/-2%Max System Pressure
  
+/-0.8inH2O
  
+/-0.8inH2O
  
+/-0.8inH2O
  
+/-0.8inH2O
  
+/-1% of FS Range
  
+/-1% fo FS Range
  
+/-1% of FS Range
  
+/-1% of FS Range
  
+/-1% of FS Range
  
+/-1% of FS Range
  
+/-1% to +/-1.5% of Span
  
+/-1% of Span
  
+/-2% to +/-3% of Adjustable Range
  
+/-2% to +/-3% of Adjustable Range
  
+/-2% to +/-3% of Adjustable Range
  
+/-2% to +/-3% of Adjustable Range
  
+/-1% of Adjustable Range
  
+/-1% of Adjustable Range
  
+/-1% of FS Range
  
+/-1% of FS Range
  
+/-1% FS Range
  
+/-1% FS Range
 Agency Approvals  
UL, CSA
  
UL, CSA
  
none
  
UL
  
None
  
None
  
UL, CUL
  
UL, CUL
  
UL, CSA
  
UL, CSA
  
UL,CSA
  
UL,CSA
  
UL, CSA
  
UL, CSA
  
UL, CSA
  
UL CSA
  
UL, CSA
  
UL, CSA
  
UL, CSA
  
UL
  
UL
  
UL
  
UL
  
UL
  
UL
  
UL
  
UL, CSA
  
None
  
None
  
None
  
None
  
none
  
none
  
none
  
none
  
UL, CSA
  
UL, CSA
  
UL, CSA
  
UL, CSA
  
UL, CSA
  
UL, CSA
  
None
  
None
  
UL,CSA, FM (most)
  
UL,CSA, FM (most)
  
UL,CSA, FM (most)
  
UL,CSA, FM (most)
  
UL CUL
  
UL CUL
  
UL, CSA
  
UL, CSA
  
UL, CSA
  
UL, CSA
 Special Features  
Manual Reset,Adj DB
  
 
 
 
 
 
 
 
 
 
Adjustable DB
  
Adjustable DB
  
 
 
Stainless Steel Case
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Enclosure Rating  
NEMA-4X
  
NEMA-4X
  
 
 
 
 
NEMA-4X
  
NEMA-4X
  
NEMA-4X
  
NEMA-4X
  
NEMA-4X
  
NEMA-4X
  
NEMA-4X
  
NEMA-4X
  
NEMA-4X
  
NEMA 7, 9
  
NEMA 7, 9
  
NEMA 7, 9
  
NEMA 7, 9
  
 
 
 
 
 
 
 
NEMA 4
  
 
 
 
 
 
 
 
 
NEMA 4X, 7, 9
  
NEMA 4X, 7, 9
  
NEMA 4X, 7, 9
  
NEMA 4X, 7, 9
  
NEMA 7, 9
  
NEMA 7, 9
  
 
 
NEMA-1
  
NEMA-1
  
NEMA-1
  
NEMA-1
  
 
 
NEMA 3, 4, 4X, 13
  
NEMA 3, 4, 4X, 13
  
 
 Hazardous Rating  
 
 
 
 
 
 
Class I, Div 2, A,B, C, D
  
Class I, Div 2, A,B, C, D
  
 
 
 
 
 
 
 
Class I, Div1 B C D
  
Class I, Div1 B C D
  
Class I, Div1 B C D
  
Class I, Div1 B C D
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Class I, Div1 BCD
  
Class I, Div1 BCD
  
Class I, Div1 BCD
  
Class I, Div1 BCD
  
Class I, Div 1,2, BCDEFG
  
Class I, Div 1,2, BCDEFG
  
 
 
 
 
 
 
Class I, Div 1 A, B, C, D
  
Class I, Div 1 A, B, C, D
  
 
 
Class I, Div 1, A,B,C,D
  
Class I, Div 1, A,B,C,D