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Overview

MICRO SWITCH CX Series Explosion-Proof Limit Switches, Short Housing, Side Rotary, Lever not included.
MICRO SWITCH CX switches are built especially for outdoor use in hazardous atmospheres. These enclosures are constructed to withstand the pressure of an internal explosion. Flame paths cool the exploded gases to a point less than the lowest safe operating temperature of the surrounding gas. The product’s o-ring seals make the enclosure rain tight, but are outside of required flame paths so explosion proof requirements are maintained. Unless special ordered, all basic switches operate on clockwise and counterclockwise rotation. The actuating mechanism can be field adjusted for CW or CCW operation only. No tools are required.
11CX12-D01 Hazardous Area Limit Switches - Honeywell


Technical Specifications

Approvals Div 1 & 2, Class I Groups B, C, & D; Div 1 & 2, Class II Groups E, F, & G; II 2 G Ex d IIC T6; II 2 D Ex tD A21 IP66 T85C
Agency Approvals and Standards UL, CSA, ATEX (CE)*, IEC Ex*, INMETRO*
Series Name CX
Availability Global
Operating Force (OF) 0,50 Nm [0.369 lb ft] max.
Pretravel (PT) 15° max.
Differential Travel (DT) 10° max.
Overtravel (OT) 90° min.
Product Type MICRO SWITCH Weather-Sealed, Explosion-Proof Limit Switches
Actuator Side Rotary
Supply Voltage 120 Vac, 240 Vac or 480 Vac/125 Vdc/250 Vdc
Lever Type
Circuitry 1NC 1NO SPDT Snap Action; Maintained; 2 Basic Switches
Ampere Rating 15 A Ind./ 0.5 A Res./0.25 A Res.
Housing Material Aluminum
Termination Type 0.75 in - 14NPT Conduit
Housing Type CX: Short: 104 mm [4.09 in]
Sealing IP66/IP67; NEMA 1, 3, 4, 4X, 6, 6P, and 13
CSA File # LR57324
UL File # E14274
Operating Temperature -25°C to 85°C [-13°F to 185°F]
Comment Maintained with continual CW and/or CCW rotation; Flat on 3/8" dia. shaft for direct coupling
UNSPSC Code 39122213
UNSPSC Commodity 39122213 Limit Switch
Sealed Explosion-proof

Technical Specifications

Approvals Div 1 & 2, Class I Groups B, C, & D; Div 1 & 2, Class II Groups E, F, & G; II 2 G Ex d IIC T6; II 2 D Ex tD A21 IP66 T85C
Agency Approvals and Standards UL, CSA, ATEX (CE)*, IEC Ex*, INMETRO*
Series Name CX
Availability Global
Operating Force (OF) 0,50 Nm [0.369 lb ft] max.
Pretravel (PT) 15° max.
Differential Travel (DT) 10° max.
Overtravel (OT) 90° min.
Product Type MICRO SWITCH Weather-Sealed, Explosion-Proof Limit Switches
Actuator Side Rotary
Supply Voltage 120 Vac, 240 Vac or 480 Vac/125 Vdc/250 Vdc
Lever Type Lever Not Included - Reference Lever Required Accessory
Circuitry 1NC 1NO SPDT Snap Action; Maintained; 2 Basic Switches
Ampere Rating 15 A Ind./ 0.5 A Res./0.25 A Res.
Housing Material Aluminum
Termination Type 0.75 in - 14NPT Conduit
Housing Type CX: Short: 104 mm [4.09 in]
Sealing IP66/IP67; NEMA 1, 3, 4, 4X, 6, 6P, and 13
CSA File # LR57324
UL File # E14274
Operating Temperature -25°C to 85°C [-13°F to 185°F]
Comment Maintained with continual CW and/or CCW rotation; Flat on 3/8" dia. shaft for direct coupling
UNSPSC Code 39122213
UNSPSC Commodity 39122213 Limit Switch
Sealed Explosion-proof

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
MICRO SWITCH CX Series Explosion-Proof, Weather Sealed Limit Switches Datasheet English 4MB
PK 88136: CX explosion-proof, weather-proof switches Installation Instructions English 3MB
MICRO SWITCH Hazardous Location Approvals Matrix Hazardous Location Approvals Documentation English 517KB
Guide to Hazardous Location Approvals: MICRO SWITCH Hazardous Area Limit Switches Hazardous Location Approvals Documentation English 2MB
Oil and Gas Brochure Brochure English 4MB
Sensors and Switches in Oil Rig Applications Application Note English 7MB
Sensors and Switches in Valves and Flowmeters Application Note English 2MB
Industrial Product Line Card Line Card/Selection Chart English 2MB
MICRO SWITCH Hazardous Area Switches Brochure Brochure English 27MB
White Paper: How Switches Can Stop Machines from Going Boom White Paper English 7MB
Technical Note: Electrical Components within Hazardous Location Environments Application Note English 122KB

Product Features

  • Sealing - IP66/IP67; NEMA 1, 3, 4, 4X, 6, 6P, and 13
  • Watertight and dust-tight for outdoor use
  • 4 mA to 20 mA analog output available
  • UL, CSA, ATEX (CE)*, IEC Ex*, INMETRO* approvals
  • Rugged, cast aluminum housing
  • Pretravel, overtravel, and actuating sequence can be field adjusted without tools (all basics individually)
  • Rotary types convert in seconds to clockwise, counter-clockwise, or both-way operation
  • * select listings

Applications

  • Control valves and actuators
  • Petro-chemical plants
  • Grain handling
  • Waste treatment
  • Hazardous waste handing
  • Power generating
  • Paint facilities

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