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AccuTrak 316 Silver BulletExplosionproof Linear Position Sensor - NEC
Features Available with SPDT or DPDT switches. Integrated FieldSet trigger system
permits easy calibration of positionlimits.
Mounting kits available for most controland knife gate valves.
Standard 4 feet (1.2 m) leadaccommodates mounting to a largevalve, with optional 20 feet (6 m) lead formore remote mounting.
Rhodium contact option for use with lowpower I/Os for longer contact life.
Highly resistant to shock and vibrationstresses, chemical and environmental
exposure.
A Magnum hermetically-sealed proximity switch in astainless steel enclosure which is certified explosionproof.Double encapsulated in an epoxy resin and shock absorbentpolymer.
WESTDS-09038-US-1302www.westlockcontrols.comCopyright Westlock. All rights reserved
Technical Data
Agency approvals
Area classification (NEC 500) Class I, Div ision 1; Groups A, B, C & DClass II, Division 1; Groups E, F & G
Switches
Magnum, SPDT hermetically sealed switches
Magnum, DPDT hermetically sealed switchesEnclosure
Stainless steel
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3.62[91.95]
1.67[42.42]
0.70[17.78]
NC
NO
1.15[29.33]
Page 2Copyright Westlock. All rights reserved
AccuTrak 316 Silver BulletExplosionproof Linear Position Sensor - NEC
Dimensions
Selection guide
Technical specifications
Enclosure 316 stainless steel
Temp. range -40F to +220F (-40C to +104C)
Operating time 3.0 milliseconds
Repeatability 0.005 Inch (0.13 mm)
Hysteresis 0.030 Inch (0.76 mm)
Hermetic seal Glass (vacuum)
Sensing 0.100 Inch (2.54 mm) end sensing
Electrical rating
Tungsten SPDT Form C (normally open)3 A / 120 V AC1.5 A / 240 V AC0.20 A / 24 V DC
Rhodium SPDT Form C (normally open)1 A / 24 V DC0.20 A / 120 V AC
All Silver Bullets are bolted to heavy duty
stainless steel brackets. Sensor triggeringis accomplished by stainless steelencapsulated ferromagnetic actuators.
Eventually, as valve seats wear, a slightre-adjustment of position sensors becomes
necessary.
Maintenance
Part number
316
316-20316DB
316-R
316-20-R316DB-R
Magnum, SPDT hermetically sealed switch with tungsten contacts and 4 feet (1.2 m) lead(standard)Magnum, SPDT hermetically sealed switch with tungsten contacts and 20 feet (6 m) leadMagnum, DPDT hermetically sealed switch with tungsten contacts and 4 feet (1.2 m) lead
Magnum, SPDT hermetically sealed switch with rhodium contacts and 4 feet (1.2 m) lead(standard)Magnum, SPDT hermetically sealed switch with rhodium contacts and 20 feet (6 m) leadMagnum, DPDT hermetically sealed switch with rhodium contacts and 4feet (1.2 m) lead
Notes
Hazardous area classification
Please see our data sheet for further
information on the global standards affecting
the specification and installation of equipment in
hazardous areas.
Dimensions in inches, where available metric dimension( mm) in parentheses.
HEX
NPT
-18 UNF
RED
WHITE
BLACK
GREEN (GND)
SPDT FORM C(NORMALLY OPEN)
South America: Sao Paulo, Brazil
Ph: +55 11 2588 1400
Fax: +55 11 2588 1410
E-mail: [email protected]
Europe: Kent, England
Ph: +44 1892 516277
Fax: +44 1892 707620
E-mail: [email protected]
Asia: Singapore
Ph: +65 6768 5850
E-mail: [email protected]
US/Canada: Saddle Brook, NJ
Ph: +1 201 794 7650
Fax: +1 201 794 0913
E-mail: [email protected]
