DESCRIPTION
MICRO SWITCH EX Series switches
feature the smallest UL-listed housings
available for use in hazardous locations.
The EX Series switch cavity is designed
to cool expanding gases below the
ignition temperature of the surrounding
explosive atmosphere. The EX Series
is capable of switching up to 20 amps
while providing ample wiring space for
ease of installation. Single and double
conduit openings are available. Dual
conduit openings may allow for through
wiring of multiple switches. The EX
Series can be mounted from any of the
switch’s four sides.
VALUE TO CUSTOMERS
• Honeywell has over 80 years of switch
manufacturing experience covering
most environment types
• Proven technology plus superior
quality and service are offered world-
wide. The EX Series holds multiple
agency approvals, including CE, IEC
Ex, UL, CSA, INMETRO, and ATEX
directives
• Multiple actuator options make the
EX Series a good choice for indoor
explosion-proof applications
• Smallest UL-listed, power-load
carrying switch available for use in
hazardous locations
FEATURES
• Compact and rugged housing
• Ample wiring space that eases
installation time
• Four-sided mounting with optional
mounting bracket
• Dual conduit openings on select
models
• Broad range of actuator styles
available in pin plunger and rotary
configurations.
• Switching capacity from 1 A for low
energy loads, up to 20 A for most
industrial electrical loads
• Rotary actuators are field adjustable
for quick set up and application
adaptability
• Roller lever actuators are adjustable
through 360° of rotation
• 1EX and 2EX listings have dual
conduit openings enabling “wire
through” or allowing the user to split
the wiring of a double pole switch with
one pole exiting each side
• Manufactured for harsh
and explosive environments
• International approvals for use around
the world
EX SERIES
MICRO SWITCH Hazardous Area Switches
002390
Issue 3
APPLICATIONS
• Industrial paint booths
• Petroleum and chemical plants
• Processing facilities
PORTFOLIO
The EX Series is part of the
MICRO SWITCH family of
hazardous area switches
that include the BX,
BX2, LSX, VPX, CX, GSX, GXS and
14CE100 Series switches. To view
the entire product portfolio, click
here.
2 sensing.honeywell.com
MICRO SWITCH HAZARDOUS AREA LIMIT SWITCH, EX SERIES
TABLE 1. SPECIFICATIONS
Characteristic Parameter
Product type MICRO SWITCH™ hazardous location limit switches
Actuators
overtravel top plunger side roller lever one-way roller lever
adjustable roller lever rod lever manually activated paddle
adjustable rod lever with one-inch nylon roller
Circuitry SPDT, DPDT
Electrical 1 A, 3 A, 5 A, 10 A, 15 A, and 20 A
Housing material Aluminum die-cast
Termination types 1/214 NPT conduit, preleaded
Sealing
NEMA 1, 7, and 9, UL listed, and CSA certified:
Class I, Div.1 & 2, Groups B*, C, and D
[*Group B - only as noted in order guide]
Class II, Div.1 & 2, Groups E, F, and G
Operating temperature
1
40 °C to 71 °C [40 °F to 160 °F]
*High temp models available up to 204 °C [400 °F] (refer to order guide on pages 6 and 7)
Agency approvals and
standards
IEC Ex, ATEX (CE), UL, CSA, INMETRO
UL listed #E14274
CSA certified #LR57324
INMETRO certified TÜV 14.0554 X
ATEX directive
2
KEMA 04ATEX2312X
IEC Ex certified KEM 08.0012X
UNSPSC code 302119
UNSPSC commodity 302119 Switches and controls and relays
1
Refer to order guide
2
Most models, refer to individual specifications for selected catalog listings
TABLE 2. AGENCY APPROVALS AND STANDARDS
UL, CE/ATEX, CSA, IEC Ex, INMETRO Standards & Designations
UL listed #E14274 UL 1203
CSA certified #LR57324 C22.2 No. 25 and No. 30
ATEX directive * KEMA 04ATEX2312X
II 2 G Ex db IIB + H2 T6 Gb (EX)
II 2 G Ex db IIB + H2 T2 Gb (EXHT)
EN600790 and EN600791
IEC Ex certified * KEM 08.0027X
II 2 G Ex db IIB + H2 T6 Gb (EX)
II 2 G Ex db IIB + H2 T2 Gb (EXHT)
IEC600790 and IEC600791
INMETRO certified * TÜV 14.0554 X IEC600790 and IEC600791
*Most models, refer to individual specifications for selected catalog listings