Omega Vehicle Security PSW18H Seriers - Manual (Page 3)

PART NUMBER PRESSURE RANGE HYSTERESIS* PORTS
PSI PSI
Lower Range Upper Range Female
PSW18HA 70 – 1015 (5 – 70) 260 (18) 290 (20) 1/4" NPT
PSW18HB 150 – 2320 (10 – 160) 260 (18) 435 (30) 1/4" NPT
PSW18HC 70 – 1015 (5 – 70) 260 (18) 290 (20) 7/16 – 20 UNF
PSW18HD 150 – 2320 (10 – 160) 260 (18) 435 (30) 7/16 – 20 UNF
Numbers in parentheses indicate measurement in bar.
*Note: Hysteresis is not adjustable. Maximum values are shown.
MATERIALS OF CONSTRUCTION
Housing Aluminum / Steel
Seal
Dynamic PTFE
Static Buna-N
SPECIFICATIONS
Ports 1/4" NPT or 7/16-20 UNF (SAE-4)
Adjustment Range 70 to 1015 PSI (5 to 70 bar) and
150 to 2320 PSI (10 to 160 bar)
Proof Pressure* 5800 PSI (400 bar)
Temperature Rating
Ambient -13° to 175° F (-25° to 80° C)
Media -13° to 175° F (-25° to 80° C)
Max. Viscosity 450 SSU (1000 mm 2 /s)
Switching Element SPDT Microswitch
Max. Switching Rate 100 cycles/minute
Repeatability
±3%
Electrical Connector DIN Style Plug with Removable
Cable Plug Adapter
*Note: Do not subject switch to proof pressure during normal operation.
Even short pressure peeks must not exceed proof pressure.
FEATURES
Rugged Compact Design
Convenient Setpoint Adjustments
High Cycle Life
Vibration Resistant to 15g
UL and CSA Approved Microswitch
Gold Plated Contacts
APPLICATION
Ideal for Control of Hydraulic, Lubricating and Light Fuel Oils
Terminals 1 - 2: Contacts open on rising pressure.
Terminals 1 - 3: Contacts close on rising pressure.
All dimensions in inches (mm)
2 3
1
p
.79 (20)
1.18 (30)
.59 (15)
.21 (5.3)
.31 (8)
2.83 (72)
1.18 (30)
2.95 (75)
Switch Adjustment
1 / 4 NPT, or
7/16-20 UNF
Pressure port
material:
430 SS
PART NUMBER IDENTIFICATION
PSW18H Series
H Y D R A U L I C , P I S T O N - S T Y L E P R E S S U R E S W I T C H