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ES Series Limit Switch

Brand: A-T Controls, Inc
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The TRIAC® EX, EC/ES, EY, and EW Series Hazardous Area Limit Switches provide compact design and low cost for both visual and remote electrical indication of rotary valve/actuator position.

Their heavy duty design and wide variety of options make them ideal for multi-purpose limit switch applications.
Features
  • Twin Shaft Body Design
  • "Easy-set" Cams
  • Multiple Switch Options
  • Valve Position Indicator
  • 1/2" or 3/4" NPT Conduit Entries
  • Standard NAMUR Mounting Brackets
  • 316SST Housing
  • UL Listed Type 4, 4X, Weather-proof
  • Dual Threaded Conduit Entries with Extra Terminals
The TRIAC® EX, EC/ES, EY, and EW Series Hazardous Area Limit Switches provide compact design and low cost for both visual and remote electrical indication of rotary valve/actuator position.

Their heavy duty design and wide variety of options make them ideal for multi-purpose limit switch applications.
Features
  • Twin Shaft Body Design
  • "Easy-set" Cams
  • Multiple Switch Options
  • Valve Position Indicator
  • 1/2" or 3/4" NPT Conduit Entries
  • Standard NAMUR Mounting Brackets
  • 316SST Housing
  • UL Listed Type 4, 4X, Weather-proof
  • Dual Threaded Conduit Entries with Extra Terminals
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Specifications

Brand

Actuator Type

  • 3-Way Pneumatic Valve
  • Double-Acting
  • Spring Return

Approvals & Certifications

  • ISO F05
  • UL

Communication

  • AS-i Interface

Conduit Connection

  • 1/2” NPT

Cover Material

  • Stainless Steel

Electrical Connectors

  • 4-20 mA Transmitter
  • Terminal Strip

Electrical Contacts

  • Gold-Plated
  • Silver-Plated

Electrical Rating

  • 0.1 A at 120 Vac
  • 0.25 A at 120 Vac
  • 0.416 A at 48 Vdc
  • 0.5 A at 24 Vdc
  • 0.55 A at 24 Vdc
  • 1 A at 125 Vac
  • 1 A at 30 Vdc
  • 1.5 A at 120 Vac
  • 1/4 hp at 125 Vac
  • 5 A at 250 Vac
  • 5 A at 28 Vdc

Enclosure Finish

  • Black Polyester Powder-Coated
  • Electro-Polished Stainless Steel

Enclosure, Body Material

  • 316 Stainless Steel

Environmental Protection

  • NEMA 4
  • NEMA 4X
  • Weatherproof

Indication

  • 3-Way Block Center
  • 3-Way Indicator [L or T Port]
  • Disc Indicator
  • Green Status Light
  • Red Status Light
  • Visual Indicator

Load

  • Maximum

Mounting

  • ISO F05 Mounting Pattern
  • VDI/VDE 3845 Shaft

Output

  • 4-20 mA

RTD Type

  • Potentiometer

Sensor, Probe Connection

  • 2-Wire
  • 3-Wire

Sensor, Probe Type

  • Reed Switch
  • Solid State Sensor

Supply Voltage

  • 8 Vdc
  • 9-30 Vdc

Switch Quantity

  • Up to 3 Switches

Switch Type

  • DPDT
  • Hermetically Sealed
  • Limit
  • Mechanical
  • Proximity
  • SPDT
  • SPST

Temperature Range

  • -40° to 80° C (-40° to 176° F)
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