Westlock Controls Linear Position Switch, Accutrak 316 Silver Bullet
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Accutrak 316 Silver Bullet Linear Position Switch

Brand: Westlock
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A hermetically-sealed proximity switch in a stainless steel enclosure which is certified explosion-proof.

Double encapsulated in an epoxy resin and shock absorbent polymer.
Features
  • 316 stainless steel construction
  • Available with SPDT or DPDT switches
  • Low temperature option to -50° C (-58° F)
  • Standard 1.3 / 6 meters (4 / 20 feet) leads allows remote mounting if required
  • Cable marked as appliance wiring material UL758
  • Available with both Tungsten and Rhodium contacts
  • Rhodium contact option for use with low power I/O' s for longer contact life
  • Highly resistant to shock and vibration stresses, chemical and environmental exposure
  • Magnetic trigger bolt included

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Specifications

Brand

Approvals & Certifications

  • ATEX Ex II 2 GD Ex d IIC T Gb, Ex Tb IIIC T Db IP6X
  • IEC Ex II 2 GD Ex d IIC T Gb, Ex Tb IIIC T Db IP6X
  • INMETRO
  • NEC 500 Class I, Div. 1: Groups A, B, C, D, Class II, Div. 1: Groups E, F, G
  • UL (C,US) 758

Conduit Connection

  • 1/2”-14 Male NPT
  • M20 x 1.5

Diameter

  • Jacket Diameter DPDT Switch: 0.360 ± 0.010” (9.1 ± 0.25 mm)
  • Jacket Diameter SPDT Switch: 0.239 ± 0.010” (6.1 ± 0.25 mm)
  • Wire: 18 AWG (1.02 mm)

Electrical Contacts

  • Normally Closed
  • Normally Open

Electrical Rating

  • Rhodium (SPDT Form C): 0.2 A at 120 Vac
  • Rhodium (SPDT Form C): 1 A at 24 Vdc
  • Tungsten (SPDT Form C): 1.5 A at 240 Vac
  • Tungsten (SPDT Form C): 2 A at 24 Vdc
  • Tungsten (SPDT Form C): 3 A at 120 Vac

Enclosure, Body Material

  • 316 Stainless Steel

Environmental Protection

  • Explosion-proof
  • IP66
  • IP67
  • IPx8

Hysteresis

  • 0.030” (0.76 mm)

Length

  • Length of Flying Lead: 20 feet (6 metres)
  • Length of Flying Lead: 4 feet (1.33 metres)

Materials of Construction

  • 316 Stainless Steel
  • Contact Material: Gold-Plated
  • Contact Material: Rhodium
  • Contact Material: Tungsten

Mounting

  • Remote Mounting

Operating Time

  • 3 milliseconds

Repeatability

  • 0.005” (0.13 mm)

Seat / Seal Material

  • Hermetic Seal: Glass (Vacuum)

Sensing Range

  • 0.1” (2.54 mm) End Sensing

Switch Type

  • DPDT
  • SPDT

Temperature Range

  • ATEX/IECEx/NEC Certified Temperature Range (T5): -20° to 84° C (-4° to 183.2° F) - 316SB
  • ATEX/IECEx/NEC Certified Temperature Range (T6): -20° to 69° C (-4° to 156.2° F) - 316SB
  • NEC Certified Temperature Range: -50° to 85° C (-58° to 185° F) - 316LT

UNF/UNC Connection

  • 5/8”-18 UNF Male

Documentation

Data Sheets

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