PSB-9104B
Revised 03-06
Catalog Section 05
(00-02-0031)
Direct Mount Pressure Switch
Model PSB
■
Limit Switch for Critical Pressure
■
Operate Alarms or
Shutdown Equipment
■
■
SPDT Snap-Acting Switch
Fits Most Engine Applications
**
Terminal Block: Three #4-40 screws.
Description
Applications
Accuracy: Trip point: 3% of full scale.
Switch reset differential: 7% of full scale.
Repeatability: 1% of full scale.
Contact Rating: SPDT 3 A @ 30 VDC
inductive.
The PSB switch is a direct mount switch for
critical pressure points. It has one limit
contact that can be used to activate an alarm,
actuate indicator lights or shutdown
equipment.
• Engine Lubrication • Water pumps
• Compressors • Oil field systems
• Irrigation systems
• Construction Equipment
• Mobile Equipment
• Marine engines • Generators
Maximum Pressure: See Trip Point Chart
The construction of this instrument is the
same as our time-proven Swichgage
on reverse side.
®
Temperature Range:
Features
instrument. A precision machined brass
mounting plate and port captures a high
quality stamped beryllium copper
diaphragm. The single-pole, double-throw
(SPDT) snap-switch is operated directly
from the diaphragm for quick acting and
positive switching. Trip point is factory
preset according to your specifications.
Ambient= -40°F (-40°C) thru 150°F (66°C).
Process= -40°F (-40°C) thru 250°F (121°C).
Factory Trip Point Setting: See Trip Point
Chart (on back).
• Fits all engine applications
• SPDT snap-switch
• Activates indicator lights, alarms, or shut
down equipment
• Time-proven SWICHGAGE construction
• Easy wiring terminal block
• Steel housing specially coated to resist
corrosion
Pressure Range: Specify from 0-400 psi (0-
2.76 MPa) [0- 27.58 bar]. See Trip Point
Chart on reverse side.
Contact: Operates on rising or falling
pressure (specify).
Shipping Weight: 8 oz. (0.25 kgs).
Shipping Dimensions: 3 x 2-3/4 x 2-3/4 in.
(76 x 70 x 70 mm).
®
Housing is weather sealed to prevent entry of
moisture, dust, etc. A glass-filled nylon
terminal block with quick screw terminal
connections gives the PSB switch a real
advantage in industrial engine applications.
The PSB is ideal when reading is not desired,
but pressure is critical to operational
efficiency.
• Factory preset to your specifications
Specifications
Housing: Plated steel.
NOTE: No customer replacement parts.
Pressure Connection: 1/8-27 NPT, Brass.
Diaphragm: Formed beryllium copper (heat
treated).
Pulsation Dampener: Brass (it is removable
for cleaning).
Intended for use in general purpose non-
classified areas.
**Products covered by this bulletin comply with EMC Council directive 89/336/EEC
regarding electromagnetic compatibility except as noted.
PSB-9104B page 1 of 2
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