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Overview

MICRO SWITCH BX2 Series Hazardous Location Limit Switches (Non Plug-in), top pin plunger (momentary), 2NC 2NO SPDT snap action, 0.75 in - 14NPT conduit, and 316L stainless steel housing.
The MICRO SWITCH BX2 Series features a 316L stainless steel enclosure that provides enhanced corrosion resistance in applications exposted to aggressive, caustic agents. The stainless steel housing helps protect the switch mechanism from corrosion often present in chemical processing plants, off-shore/near-shore sites, and other hazardous areas. These enclosures also meet the European Hazardous Locations Designation: II 2 GD, Ex d IIC T6 Gb; 1 Ex d IIC T6 Gb; II 2 D Ex tb IIIC t85C Db. The BX2 Series complies with the European Directive on Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres (94/9/EC) commonly referred to as the ATEX Directive. Compliance with the Essential Health and Safety Requirements has been assured by compliance with EN50014 1997 and EN50018 1994. MICRO SWITCH BX2 Series meets the North American Hazardous Locations Designation: Division I, Class I, Groups B, C and D; Division I, Class II, Groups E, F and G and comply with UL Standard: UL 894, CSA Standard: C22.2 No. 25-1966, C22.2 No. 30-M1986 certifications. The MICRO SWITCH BX2 is ideal for outdoor use or in adverse environments where a combination of explosion proof plus sealing requirements are needed. To comply with explosion proof requirements the BX2 has flame paths within the housing, which cool exploding gases below the ignition temperature before they reach explosive gases surrounding the housing. Flame paths on the BX2 are (1) an extended plunger between the switch cavity and head and (2) the cover-housing threads on the front of the switch.
BX2C4L 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 Gb; 1 Ex d IIC T6 Gb; II 2 D Ex tb IIIC T85C Db
Agency Approvals and Standards cULus, ATEX (CE), IEC Ex, INMETRO, KOSHA, NEPSI, EAC (Gost-R)
Series Name BX2 Switches
Availability Global
Operating Force (OF) 0,45 Nm [4 in lb] max.
Pretravel (PT) 1,78 mm [0.070 in] max.
Differential Travel (DT) 0,51 mm [0.020 in] max.
Overtravel (OT) 4,83 mm [0.190 in] min.
Product Type MICRO SWITCH Weather-Sealed, Explosion-Proof Limit Switches/European and Global Approvals
Actuator Top Plunger
Supply Voltage 600 Vac and 250 Vdc max.
Circuitry 2NC 2NO DPDT Snap Action, Double-Break
Ampere Rating 10 A (Thermal)
Housing Material 316L Stainless Steel
Termination Type 0.75 in - 14NPT Conduit
Housing Type BX Non Plug-in
Sealing IP67; NEMA 1, 3, 4, 4X, 6 and 13
Operating Temperature -40°C to 70°C [-40°F to 158°F]
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 Gb; 1 Ex d IIC T6 Gb; II 2 D Ex tb IIIC T85C Db
Agency Approvals and Standards cULus, ATEX (CE), IEC Ex, INMETRO, KOSHA, NEPSI, EAC (Gost-R)
Series Name BX2 Switches
Availability Global
Operating Force (OF) 0,45 Nm [4 in lb] max.
Pretravel (PT) 1,78 mm [0.070 in] max.
Differential Travel (DT) 0,51 mm [0.020 in] max.
Overtravel (OT) 4,83 mm [0.190 in] min.
Product Type MICRO SWITCH Weather-Sealed, Explosion-Proof Limit Switches/European and Global Approvals
Actuator Top Plunger
Supply Voltage 600 Vac and 250 Vdc max.
Circuitry 2NC 2NO DPDT Snap Action, Double-Break
Ampere Rating 10 A (Thermal)
Housing Material 316L Stainless Steel
Termination Type 0.75 in - 14NPT Conduit
Housing Type BX Non Plug-in
Sealing IP67; NEMA 1, 3, 4, 4X, 6 and 13
Operating Temperature -40°C to 70°C [-40°F to 158°F]
UNSPSC Code 39122213
UNSPSC Commodity 39122213 Limit Switch
Sealed Explosion-proof

Documents


Product Features

  • cULus, ATEX (CE), IEC Ex, INMETRO, NEPSI, EAC (Gost-R) approvals
  • Sealing - applicable portions of IP67 and NEMA 1, 3, 4, 4X, 6 and 13
  • 316L Stainless steel housing for protection in highly corrosive and/or caustic environments
  • Diverse conduit selection for wide range of applications
  • Compatible with LSX
  • Variety of heads and non-sparking actuators
  • 10 A continuous carry electrical rating
  • Choice of silver or gold contacts
  • Internal grounding screw

Applications

  • Control valves and actuators
  • Offshore drilling
  • Grain elevators
  • Petrochemical plants
  • Chemical plants
  • Waste treatment
  • Paint booths
  • Mining conveyors
  • Pulp and paper coating
  • Hazardous waste handling

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