VS-94092B
Revised 03-03
Catalog Section 20
(00-02-0077)
Shock and Vibration Control Switch
VS94 Model
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NEMA 4X/IP66 Enclosure (CSA Types 4 & 12)
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Protects Your Equipment from Excessive
Shock or Vibration
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Fine Adjustment to Precisely Select the
Degree of Sensitivity
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Reset from a Remote Location (Optional)
Time Delay to Override Trip Operation
at Start-up (Optional)
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Space Heater to Prevent Moisture
VS94 Model
Condensation Inside the Unit (Optional)
Description
Applications
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Remote Reset (Optional)
VS94 Series is an electro-mechanical device Applications for the VS94 include all sta-
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Adjustable Start-up Time Delay (Optional)
Space Heater Circuit to Prevent Housing
Moisture Condensation (Optional)
Two (2) versatile SPDT snap-switches
rated up to 480 VAC.
designed to protect equipment from damag-
ing shock or vibration. This sensitive mech-
anism can detect excessive shock or vibra-
tion and shutdown the equipment before fur- tions such as in:
ther damage occurs. A set of contacts is held
tionary types of machinery or equipment
where excessive shock/vibration can be
damaging or poses a threat to normal opera-
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Cooling fans
in a latched position through a magnetic
latch mechanism. As the level of shock or
vibration increases an inertia mass exerts
force against the latch arm and forces it
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Engines
Options
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Pump jacks
Remote Reset
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Compressors
This option of the VS94 includes a built-in
electric solenoid which allows reset of
tripped unit from a remote location.
Available for 115 VAC or 24 VDC.
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Pumps
away from the magnetic latch causing the
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Rotating and Reciprocating Machinery
latch arm to separate and to operate the con-
tacts. Sensitivity is obtained by adjusting the
amount of air gap between the magnet and
latch arm plate.
Features
Time Delay
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Electromechanical Design
Overrides trip operation on start-up.
The time delay option is field-adjustable
from 5 seconds up to 6-1/2 minutes with an
easy-to-adjust 20-turn potentiometer.
Available for 115 VAC or 24 VDC.
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Detects Shock or Vibration in
Three Planes of Motion
The VS94 Series is housed in a NEMA 4/4X
glass filled polyester enclosure and has a
base mount. It is for applications in non-haz-
ardous locations.
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NEMA 4/4X (CSA types 4 and 12)
Weather-proof Enclosure
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Reliable Magnetic Latch Feature
Micro Fine, Easy-to-Adjust
Sensitivity Adjustment
Space Heater
This optional circuit prevents moisture con-
densation inside the VS94 housing.
VS94 models are rated up to 480 VAC.
(See the How to Order section on back page
for models and options available.)
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Manual Reset (Standard)
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