P N E U M A T I C , D I A P H R A G M - S T Y L E P R E S S U R E S W I T C H
PSW18P Series
APPLICATION
Ideal for Control of Air
FEATURES
Rugged Compact Design
Convenient Setpoint Adjustments
High Cycle Life
Vibration Resistant to 15g
UL and CSA Approved Microswitch
Gold Plated Contacts
SPECIFICATIONS
Ports/Mounting Plate | 1/4" NPT |
Adjustment Range | See table |
Proof Pressure* | 1150 PSI (80 bar) |
Temperature Rating |
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Ambient | 14° to 175° F |
Media | |
Switching Element | SPDT Microswitch |
Max. Switching Rate | 100 cycles/minute |
Repeatability | ±3%; for vacuum ±4% |
Electrical Connector | DIN 43650 Table A with Removable |
| Cable Plug Adapter |
2 3
p
1
Terminals 1 - 2: Contacts open on rising pressure.
Terminals 1 - 3: Contacts close on rising pressure.
*Note: Do not subject switch to proof pressure during normal operation. Even short pressure peeks must not exceed proof pressure.
MATERIALS OF CONSTRUCTION
Housing | Aluminum |
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Seal |
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A & B | Fluorocarbon / |
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C, D, E |
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PART NUMBER IDENTIFICATION | .59 (15) |
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PART NUMBER | PRESSURE RANGE | HYSTERESIS* |
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1.18(30)
.79 (20)
.21 (5.3) |
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| 2.83 (72) |
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| (15.5) |
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.61* |
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Switch Adjustment
2.95(75)
1.18(30)
1/4 NPT
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| PSI | PSI | |
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| Lower Range | Upper Range |
PSW18PA | 2 | 3 | ||
PSW18PB |
| 3 – 29 | 2 | 4 |
PSW18PC | 7 | – 120 | 4 | 9 |
PSW18PD | 15 | – 230 | 4 | 13 |
PSW18PE | 15 | – 435 | 15 | 73 |
All dimensions in inches (mm)
*Note: Hysteresis is not adjustable. Maximum values are shown.
