Honeywell EX Series Micro Switch Hazardous Area Switches Owner’s Manual

: June 1, 2024
: Honeywell

Table of Contents

DESCRIPTION
FEATURES
VALUE TO CUSTOMERS
APPLICATIONS
MICRO SWITCH HAZARDOUS AREA LIMIT SWITCH EX SERIES
DIMENSIONAL DRAWINGS mm [in]
GROUNDING SCREW ASSEMBLY
WARRANTY/REMEDY
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Honeywell EX Series Micro Switch Hazardous Area Switches Owner’s Manual

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

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.

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 worldwide. The EX Series holds multiple agency approvals, including CE, IEC Ex, UL, CSA, 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.

APPLICATIONS

Industrial paint booths
Petroleum and chemical plants
Processing facilitie

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

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 leveradjustable 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| 1/2-14 NPT conduit, preleaded
Sealing| NEMA 1, 7, and 9, UL listed, and CSA certified: Class I, Div.1 & 2, G roups 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
UL listed| #E14274
CSA certified| #LR57324
ATEX directive 2| KEMA 04ATEX2312X
IEC Ex certified| KEM 08.0027X
UNSPSC code| 302119
UNSPSC commodity| 302119 Switches and controls and relays

Refer to order guide
Most models, refer to individual specifications for selected catalog listings

TABLE 2. AGENCY APPROVALS AND STANDARDS

UL, CE/ATEX, CSA, IEC Ex| 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) EN60079-0 and EN60079-1
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) IEC60079-0 and IEC60079-1
TABLE 3. CIRCUITRY AND ELECTRICAL RATINGS

Rating code| Circuitry| Electrical rating
A| SPDT| UL/CSA Rating:15 A, 125, 250, or 480 Vac1/8 HP, 125 Vac; 1/4 HP, 250 Vac0.5 A, 125 Vdc; 0.25 A 250 Vdc
B| SPDT| UL/CSA Rating:20 A, 125, 250, or 480 Vac10 A, 125 Vac “L”1 HP, 125 Vac; 2 HP, 250 Vac0.5 A, 125 Vdc; 0.25 A, 250 Vdc
C| DPDT| UL/CSA Rating:10 A, 125 or 250 Vac0.3 A, 125 Vac; 0.15 A 250 Vdc
D| SPDT| UL/CSA Rating:10 A, 125, 250, or 480 Vac0.5 A, 125 Vdc; 0.25 A 250 Vdc
E| SPDT| UL Rating: 1 A, 125 Vac
F| SPDT| UL/CSA Rating:3 A, 125 or 250 Vac1/10 HP, 125 Vac; 1/6 HP, 250 Vac
G| SPDT| UL/CSA Rating:5 A, 125, 250, or 480 Vac;0.50 A, 125 Vdc; 0.25 A, 250 Vac
TABLE 4. HAZARDOUS LOCATION CLASSIFICATIONS

Rating code| Classification
1| Explosion Proof-UL listed for Hazardous Locations NEMA 7, Class I, Groups B, C, and DNEMA 9, Class II, Groups E, F, and G
2| Explosion Proof-UL listed for Hazardous Locations NEMA 7, Class I, Groups C and DNEMA 9, Class II, Groups E, F, and G
3| European Hazardous Locations Designation: Ex db IIB + H2 T6 Category II 2 G
4| European Hazardous Locations Designation: Ex db IIB + H2 T2 Category II 2 G
Series| Code| ATEX Temperature Rating
---|---|---
EX| T6| -40 °C to 70 °C [-40 °F to 158 °F]
EXHT| T2| -40 °C to 204 °C [-40 °F to 400 °F]
MICRO SWITCH EX SERIES ORDER GUIDE

| Catalog Listing| Actuation| Circuitry| Electrical Rating| UL/CE Haz. Loca- tion Code| Operating Force| Pretravel max. mm [in]| Overtravel max.| Diff. Travel max. mm [in]| Notes
| EX-AR| CW| SPDT| 15 A (A)| 2, 3, 5| 2,22 N to 5,56N [8 oz to 20 oz]| 5,560.219| 90°| 0,180.007|
| EX-AR141| CW| SPDT| 15 A (A)| 2, 3, 5| 2,22 N to 5,56N [8 oz to 20 oz]| 5,560.219| 90°| 0,180.007| No mounting bracket
| EXA-AR| CW| SPDT| 20 A (B)| 2, 3, 5| 3,34 N to 8,90N [12 oz to 32 oz]| 5,560.219| 25°| 0,304[0.012]|
| EXA-AR20| CW| SPDT| 15 A (B)| 2, 3, 5| –| 5,560.219| 25°| –| No lever furnished (order separately)
| EX-AR16| CW or CCW| SPDT| 15 A (A)| 2, 3, 5| 0,56 N [2 oz]max.| 5,560.219| 90°| 0,180.007| Low O.F.(no return spring) without mounting bracket
| EX- AR1613| CW| SPDT| 15 A (A)| 2, 3, 5| 0,56 N [2 oz]max.| 16° ± 2°| 40°min.| –| 0.125 in x 5.28 in aluminum lever (no mounting bracket)
| EX-AR20| CW| SPDT| 15 A (A)| 2, 3, 5| 3,81 N to 9,53 N[12.5 oz to31.25 oz]| 5,560.219| 90°| 0,180.007| No lever furnished (order separately)
| EX-AR230| CCW| SPDT| 15 A (A)| 2, 3, 5| 0,45 Nm[4.0 in-lb]| 1,65[0.065]| 25°| 0,180.007| No lever furnished (order separately)
| EX- AR471-3| CW*| SPDT| 15 A (A)| 2, 3, 5| 3,34 N to 7,32N [12 oz to 24 oz]| 5,560.219| 90°| 0,5330.021| 36 inch leadwire
| EX-AR50| Manual opera- tion| SPDT| 15 A (A)| 2, 3, 5| 11,12 N [40 oz]| –| 3,18[0.125]min.| 0,077[0.003]approx.| Large 3 in x 3.5 in paddle
MICRO SWITCH EX SERIES ORDER GUIDE

Notes

|

**EX-AR128

**

|

CW*

|

SPDT

|

15 A (A)

|

2, 3, 5

| 2,22 N to 5,56N [8 oz to 20 oz]| 5,560.219|

90°

| 0,180.007|

One-way roller lever

|

**EXD-AR-3

**

|

CW*

|

DPDT

| 10 A (C)|

1, 3, 5

| 2,44 N to 7,32N [8 oz to 24 oz]| 6,35[0.25]|

25°

| 2,77[0.109]|

36 inch wire leads

|

**EXA-N

**

|

Plunger

|

SPDT

|

20 A (B)

|

2, 3, 5

|

15,57 N [56 oz]

|

2,77[0.109]

|

3,18[0.125]min.

|

0,229[0.009]

|

With seal boot

|

**EXA-Q

**

|

Plunger

|

SPDT

|

20 A (B)

|

2, 3, 5

|

8,90 N [32 oz]

|

1,27[0.05]

| 3,18[0.125]min.|

0,229[0.009]

|
|

**EXHT-Q

**

|

Plunger

|

SPDT

|

3 A (F)

|

1, 4, 6

|

8,90 N [32 oz]

|

1,27[0.05]

| 3,18[0.125]min.|

0,229[0.009]

|

400° high tempera- ture

|

**EX-Q400

**

|

Plunger

|

SPDT

|

5 A (G)

|

1, 5

|

13,34 N [48 oz]

|

1,98[0.078]

|

4,78[0.188]

|

0,102[0.004]

| 400° high tempera- tureintermittent expo- sure
|

**EXHT-AR

**

|

CW*

|

SPDT

| 3 A (F)|

1, 4, 6

| 3,34 N to 8,90N [12 oz to 32 oz]| 5,560.219|

25°

| 0,406[0.016]| 400° high tempera- ture
| **1EX1

*| CW| SPDT| 15 A (A)| 2, 3, 5| 2,22 N to 5,56N [8 oz to 20 oz]| 5,560.219| 90°| 0,180.007| Dual conduit open- ings
| **2EX1

**|

CW*

|

DPDT

| 20 A (B)|

2, 3, 5

| 3,34 N to 8,90N [12 oz to 32 oz]| 5,560.219|

25°

| 0,3050.012| Dual conduit open- ings

*Note: CW (Clockwise) and CCW (Counter-Clockwise) when looking at nameplate. EX Series switches are not sealed against liquids and are not intended to be used in liquid splash environments or outdoor use without protection. NEMA 1, 7, 9 only

DIMENSIONAL DRAWINGS mm [in]

Figure 1. MICRO SWITCH EX Series, no lever
Dimensions
Figure 2. MICRO SWITCH EX Series, side rotary

Figure 3. MICRO SWITCH EX Series, side rotary with two conduit openings.

Figure 4. MICRO SWITCH EX Series, one-way lever

Figure 5. MICRO SWITCH EX Series, rod lever.

Figure 6. MICRO SWITCH EX Series, top pin plunger
Dimensions
Figure 7. MICRO SWITCH EX Series, boot sealed

Figure 8. MICRO SWITCH EX Series, manually actuated

TABLE 5. REPLACEMENT CATALOG LISTINGS

EX Series Part Number| Internal Switching Element/ Basic Switch| Actuator| Internal Springs
EXA-AR| BA-2R-P4| 6PA5-EX| 33PA6-EX
EXA-Q| BZ-2R-P4| 8PA15-EX| –
EX-AR| BZ-2R-P4| 6PA5-EX| 33PA7-EX
EX- AR128| BZ-2R-P4| 6PA130-EX| 33PA7-EX
EX-AR16| BZ-2RW88-P5| 6PA5-EX| –
EX-AR1613| BZ-2RW88-P5| 6PA136-EX| –
EX-AR20| BZ-2R-P4| | 33PA7-EX
EX-AR30| BZ-2R-P4| 6PA5-EX| 33PA5-EX
EX-AR50| BZ-2R-P4| 6PA134-OP| 33PA7-EX
EX-AR800| BZ-2R-P4| 6PA5-EX| 33PA7-EX
EXD-AR-3| DT-2R4-A7| 6PA5-EX| 33PA6-EX
EXD-AR30-3| DT-2R711-A7| 6PA5-EX| 33PA5-EX
EXD-Q-3| DT-2R-A7| 8PA77-EX| –
EXH-AR3| 4HS202| 6PA5-EX| 33PA6-EX
EXH-AR33| 4HS203| 6PA5-EX| 33PA6-EX
EX-N15| BZ-2R15-P4| 8PA12-EX| –
EX-Q| BZ-2R-P4| 8PA15-EX| –
EX-Q800| BZ-2R-P4| 8PA15-EX| –
Double Conduit
1EX1| BZ-2R-P4| 6PA5-EX| 33PA6-EX
2EX1| BZ-2R-P4| 6PA5-EX| 33PA6-EX
4EX1-3| DT-2R4-A7| 6PA5-EX| 33PA6-EX* Order levers separately
TABLE 6. ACTUATOR ORDER CODES

6PA204-EX

| Roller lever| 6PA5-EX(bronze roller) 6PA127-EX(nylon roller)

GROUNDING SCREW ASSEMBLY

(for equipped models only)
SCREW assembly

Pan-head Phillips screw
with external lock washer
Metal clamp
Adapter screw
Washer

Assemble provided split lockwasher between ground lug and housing Exterior ground screw can be assembled to any unused mounting screw hole
Assembly Instruction

TABLE 7. MOUNTING BRACKETS

15PA85-EX (for side rotary)| 15PA86-EX (for top plunger)
|
used for top, bottom, back, or end mounting. It is furnished with each switch, except where noted in the order guides.| ordered separately for top mounting of plunger switches. EX switches may also be direct mounted, using 10-32 UNF screws.
TABLE 8. ADDITIONAL AVAILABLE EX LSTINGS

WARRANTY/REMEDY

Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship during the applicable warranty period. Honeywell’s standard product warranty applies unless agreed to otherwise by Honeywell in writing; please refer to your order acknowledgment or consult your local sales office for specific warranty details. If warranted goods are returned to Honeywell during the period of coverage, Honeywell will repair or replace, at its option, without charge those items that Honeywell, in its sole discretion, finds defective. The foregoing is buyer’s sole remedy and is in lieu of all other warranties, expressed or implied, including those of merchantability and fitness for a particular purpose. In no event shall Honeywell be liable for consequential, special, or indirect damages.
While Honeywell may provide application assistance personally, through our literature and the Honeywell web site, it is buyer’s sole responsibility to determine the suitability of the product in the application.
Specifications may change without notice. The information we supply is believed to be accurate and reliable as of this writing. However, Honeywell assumes no responsibility for its use.

WARNING PERSONAL INJURY

DO NOT USE these products as safety or emergency stop devices or in any other application where failure of the product could result in personal injury

Failure to comply with these instructions could result in death or serious injury

WARNING MISUSE OF DOCUMENTATION

The information presented in this product sheet is for reference only. Do not use this document as a product installation guide.
Complete installation, operation, and maintenance information is provided in the instructions supplied with each product.

Failure to comply with these instructions could result in death or serious injury

For more information

Honeywell Sensing & Safety Technologies services its customers through a worldwide network of sales offices and distributors. For application assistance, current specifications, pricing, or the nearest Authorized Distributor, visit automation.honeywell.com or call

USA/Canada +302 613 4491
Latin America +1 305 805 8188
Europe +44 1344 238258
Japan +81 (0) 3-6730-7152
Singapore +65 6355 2828
Greater China +86 4006396841

Honeywell Sensing & Safety Technologies
830 East Arapaho Road. Richardson, TX 75081
www.honeywell.com
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