Honeywell 50083427MICRO SWITCH BX Series Explosion-Proof Limit Switch Guide d'installation
- Taper
- Guide d'installation
Installation Instructions for the
MICRO SWITCH BX Series
Explosion-proof Limit Switches
Sensing and Internet of Things
Issue 9
50083427
II2GD
Multiple language versions of installation instructions and
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2. Select the product’s instructions from the installation instruc-
tion section.
Installationsanweisungen und andere Dokumente stehen in
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gung. So greifen Sie darauf zu:
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instruccions de instalación.
Les instructions d’installation et d’autres documents
sont disponibles dans plusieurs langues sur le site Web
d’Honeywell. Procédure d’accès :
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2. Sélectionnez les instructions relatives au produit qui vous
intéresse dans la section « Installation Instructions
Sul sito Web di Honeywell sono disponibili istruzioni per
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2.从安装指南部分选择具体的产品指南。
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mWARNING
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.
mWARNING
OPENING PRODUCTS HAZARD
DO NOT OPEN these products when energized or in a
flammable gas atmosphere.
Failure to comply with these instructions could result in
death or serious injury.
mWARNING
IMPROPER CONDUIT THREAD USE
DO NOT USE any other conduit thread than the one
identified on the product. Verify that the mating threaded
fitting is identical with the conduit thread shown on the
product nameplate.
Failure to comply with these instructions could result in
death or serious injury.
mWARNING
During installation, suitable certified cable entry and clos-
ing device approved by Explosion Test Lab with Ex marking
“Ex IIC” shall be used and correctly installed. The conduit
size should be NPT 1/2”, NPT 3/4”, M20, PG13.5, or PF1/2”.
Cable entry for redundancy use should be well and effectively
blocked by closing device.
2 sensing.honeywell.com
MICRO SWITCH BX Series
ISSUE 9 50083427
SPECIAL CONDITIONS FOR SAFE USE
Honeywell explosion-proof switches are designed specifically
for use in hazardous location applications. The BX enclosure is
sealed for protection against corrosion, water, dust and oil as
defined in NEMA 1, 3, 4, 4X, 6, 13, and IP67 (per IEC60529).
The temperature rating for these products depends upon the
seal material used. Products using a fluorosilicone seal have
a rating of 40 °C [40 °F] to 70 °C [158 °F]. Products using a
fluorocarbon seal have a rating of 12 °C [10 °F] to 70 °C [158
°F]. MICRO SWITCH™ BX switches are rated according to the
electrical ratings detailed in Table 1.
Table 1. Electrical Ratings: 10 A cont.
ac voltage Single Pole Double Pole
Power
factor
Break Make Break Make
120 60 6 30 3 .35
240 30 3 15 1.5 .35
480 15 1.5 7.5 .75 .35
600 12 1.2 6 6 .35
A300/120V – – 60 6 .30
A300/240V – – 30 3 .30
mWARNING
During installation, BX Series limit switches should not be
subjected to a corrosive atmosphere that could corrupt the
enclosure, thereby avoiding immediate or future corrosion of
the switch’s enclosure.
mWARNING
Do not replace any switch components with those from
another switch or replacement part without consulting
Honeywell technical support.
mWARNING
During the switch’s installation, use, and maintenance,
observe the following standards: GB12476.22006;
GB155771995; GB3836.132000; GB3836.152000;
GB3836.162006; and GB502571996.
mWARNING
The equipment has a non-conducting coating and may gener-
ate an ignition-capable level of electrostatic charges under
certain extreme conditions. The user should ensure that the
equipment is not installed in a location where it may be sub-
jected to external conditions (such as high pressure steam)
which might cause a build up of electrostatic charges on non-
conducting surfaces. Additionally, cleaning of the equipment
should be done with a damp cloth.
dc voltage Make & Break Inductive Resistive
120 0.25 0.80
240 0.15 0.40
Q300/125V 0.55 –
Q300/250V 0.27 –
These products meet the following Protection Classes along
with complying with Essential Health and Safety Standards as
mentioned in Table 2.
Table 2. Certifications
Certifica-
tion
IECEx ATEX INMETRO
Certificate
number
IECEx SIR 07.0102X
SIRA
00ATEX1037X
TÜV 14.0556 X
Protection
Class
II 2 GD II 2 GD –
Ex d IIC T6 Gb Ex d IIC T6 Gb Ex d IIC T6 Gb
Ex tb IIIC T85°C Db Ex tb IIIC T85°C Db Ex tb IIIC T85°C Db
– – IP6X
-12°C < Tamb < +70°C (Fluorocarbon Seal)
-40°C < Tamb < +70°C (Fluorosilicone Seal)
Health
and Safety
Standards
IEC 60079-0:2011 EN 60079-0:2012
ABNT NBR
IEC 60079-0:2008
IEC 60079-1:2007 EN 60079-1:2007
ABNT NBR
IEC 60079-1:2009
IEC 60079-31:2013 EN 60079-31:2013
ABNT NBR
IEC 60079-31:2011
ABNT NBR
IEC 60529:2009
The maximum construction gap (ic) is less than that required
by Table 2 of EN/IEC600791:2007, clause 5.2.2 as detailed
below in Table 3.
The equipment has a non-conducting coating and may gener-
ate an ignition-capable level of electrostatic charges under
certain extreme conditions. The user should ensure that the
equipment is not installed in a location where it may be sub-
jected to external conditions (such as high pressure steam)
that might cause a build up of electrostatic charges on non-
conducting surfaces. Additionally, cleaning of the equipment
should be done with a damp cloth.
Table 3. Flame path measurements
Flame path Max. gap Comment
Push rod & bearing 0,076 mm Cylindrical spigot joint
Bearing & housing 0,02 mm Cylindrical spigot joint
BX with conduit types 1/214NPT, 3/414NPT also meet the
North American Hazardous Locations Designation: NEMA 7 -
Class I, Groups B, C and D; NEMA 9 - Class II, Groups E, F and
G and comply with UL Standard: UL 894, CSA Standard: C22.2
No. 251966, C22.2 No. 30M1986.
mWARNING
Any cable glands used with this product shall be provided
with protection d for hazardous location category IIC with
certificate, according to TP TC 012/2011.
Sensing and Internet of Things 3
MICRO SWITCH BX Series
ISSUE 9 50083427
The BX is ideal for outdoor use or in adverse environments
where a combination of explosion-proof plus sealing require-
ments are needed. To comply with explosion proof require-
ments the BX 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 BX are (1) an extended plunger between the switch cav-
ity and head and (2) the cover-housing threads on the front of
the switch.
MOUNT, ADJUST, WIRE MOUNTING
Note mounting dimension drawings for hole locations (Fig.
9, page 3). The BX is directly interchangeable with the LSX
explosion-proof limit switches: Adapter plate is not required.
ADJUSTING INSTRUCTIONS
To give flexibility in application, the user can perform the ad-
justments described below in any order before wiring the unit.
ACTUATOR HEAD
The actuator head may be positioned in any of four directions.
1. Loosen the four captive head screws.
2. Place head in the desired position.
3. Securely tighten the four screws to 1,4 Nm to 1,8 Nm [12
in-lb to 16 in-lb] (Figure 1).
REVERSING THE ROLLER LEVER
Except for the offset roller levers, the roller arm may be reversed
to face the roller to the inside or outside of the arm.
Figure 1. Figure 2.
4 × 90°
360°
Figure 3.
POSITIONING LEVER
The lever on rotary actuated units is adjustable to any position
through 360° around the shaft.
1. Loosen the cap screw with 9/64-inch hexagon key wrench.
2. Move lever to desired position.
3. Securely tighten screw until teller tab can no longer be
moved by hand.
4. Tighten screw another 1/8 to 1/4 turn to assure lever is
tight on the shaft (Fig. 2).
A 9/64-inch hex key wrench is provided in the adjusting tool set
LSZ4005.
ADJUSTABLE LENGTH LEVERS
To adjust the length of the adjustable length levers, a 9/64
inch hexagon key wrench is required. A 9/64-inch key wrench is
provided in the adjusting tool set LSZ4005.
TOP ROLLER PLUNGER
Position the top roller plunger in the desired roller plane, by
adjusting the head as explained under actuator head.
SIDE ROLLER PLUNGER
Grasp the plunger with a pair of pliers and rotate to the desired
horizontal or vertical position (Fig. 3).
CHANGING DIRECTION OF ACTUATION
SIDE ROTARY
Catalog listings with the first three letters BXA, BXH, BXL, BXP,
and BXR may be adjusted to operate clockwise, counter-clock-
wise or both. Catalog listings BXM (center neutral) and BXN
(maintained) operate in both directions but cannot be changed.
To change the actuation direction for the BXA, BXH, BXL, BXP,
and BXR, follow these steps:
1. Loosen the head screws and remove the head from the
switch housing.
2. On the bottom of the head, insert a screwdriver in the slot
provided (Fig. 4) and lift open the hinged cover.
3. Referring to Fig. 5, slide the cam all the way back, so cam is
free to rotate on the shaft.
4. Using a screwdriver or similar tool, rotate the cam to the
desired actuating position (Fig. 6).
5. Slide the cam all the way forward to its original position,
and close the hinged cover.
6. Replace the operating head on the switch housing and
securely tighten the head screws to 1,4 Nm to 1,8 Nm [12
in-lb to 16 in-lb].
4 sensing.honeywell.com
MICRO SWITCH BX Series
ISSUE 9 50083427
Figure 4. Figure 5.
Figure 6.
TOP ROTARY
Follow these steps to change the operating direction of the BXB
type switch:
1. Loosen the head screws and remove head from the switch
housing.
2. From the bottom of the head, grasp the end of the pin
plunger (Figure 7) and remove the pin. It may be necessary
to rotate the actuating shaft to expose the end of the pin
plunger.
3. Referring to Figure 8, select the correct pin plunger posi-
tion for the desired direction of actuation.
4. Insert the pin plunger in the position providing the desired
direction of actuation.
5. Replace the operating head on the switch housing and
securely tighten the head screws to 1,4 Nm to 1,8 Nm [12
in-lb to 16 in-lb].
Figure 7. Figure 8.
NOTE: Pin position above
indicates the direction of
actuation.
Figure 9. Exploded View of Clamp and Screw
REPLACEMENT LEVERS
Use only non-sparking levers to retain the explosion proof
qualities.
WIRING INSTRUCTIONS
1. Unscrew cover to expose the switching element for wiring
or replacement. To aid in cover removal, a screwdriver or
bar may be used on the wrenching lugs. Use up to size
#12 AWG solid or stranded wire to connect to the pres-
sure type connector terminals. Stripped wire ends or any
spade and ring connector that will fit the terminals may be
used. Spades may be up to 7,9 mm [0.312 in] wide, rings
up to 7,9 mm [0.312 in] diameter. With spade or ring type
connections preinsulated connectors or heat-shrinkable
tubing should be used to provide insulation between ter-
minals. Conduit size, electrical ratings and circuit diagram
are shown on the nameplate. Wire the double pole units by
connecting lead wires to the terminals nearest the conduit
opening first. An internal grounding screw is located on the
right side; an external grounding screw is located on the
upper left side. Torque all terminal screws and grounding
screws to 1 Nm to 1,8 Nm [9 in-lb to 16 in-lb]. Reassemble
cover and torque to 10 Nm [90 in-lb].
2. Put cover locking clamp on circular cover and tighten the
flat head cross recessed screw to 1,5 Nm to 1,8 Nm [13.27
in-lb to 16 in-lb]. (See Figures 9 and 10)
3. The internal grounding terminal must be used for the
equipment grounding connection, and the external termi-
nal is for supplementary bonding connection where local
codes or authorities permit or require such connections.
(See Figure 11)
Figure 10. Wiring Instructions Figure 11. Wiring Instructions
1,5 Nm to 1,8 Nm
[13.27 in-lb to 16 in-lb]
tightening torque
Sensing and Internet of Things 5
MICRO SWITCH BX Series
ISSUE 9 50083427
Figure 12. Mounting Dimensions (For reference only) mm/in
25,40
[1.00]
38,10
[1.50]
96,77
[3.81]
49,15
[1.94]
46,48
[1.83]
85,73
[3.375]
31,75
[1.25]
39,62
[1.56]
19,81
[0.78]
25,40
[1.00]
73,18
[2.88]
41,15
[1.62]
120,65
[4.75]
62,36
[2.46]
Ø76,20
[3.00]
146,05
[5.75]
51,85
[2.04]
2X Ø 5,16 /[0.203]
MTG. HOLES
2X 5/16 - 18 UNC - 2B
TAPPED FROM REAR
x 22,23 [0.875] min.
MTG.
P
ADS
55,12
[2.17]
21,34
[0.84]
120,65
[4.75]
69,85
[2.75]
Ø76,20
[3.00]
25,40
[1.00]
41,15
[1.62]
73,18
[2.88]
19,81
[0.78]
25,40
[1.00]
49,15
[1.94]
96,77
[3.81]
146,05
[5.75]
46,48
[1.83]
85,73
[3.375]
39,62
[1.56]
51,85
[2.04]
38,10
[1.50]
2X Ø5,16 [0.203]
MTG HOLES
2X 5/16 UNC - 2B
TAPPED FROM
REAR ONLY
x 22,23 [0.875] min.
MTG
P
ADS
Conduit sizes 1/214NPT, 3/414NPT, M20, PG13.5, PF1/2 are available for each switch type.
Verify that the mating threaded fitting is identical with the conduit thread shown on the product nameplate.
6 sensing.honeywell.com
MICRO SWITCH BX Series
ISSUE 9 50083427
21,34
[0.84]
Ø1,19
[0.047]
152,40
[6.0]
80,93
[3.19]
143,64
[5.66]
38,10
[1.50]
96.77
[3.81]
38,99
[1.54]
15,24
[0.60]
135.90
[5.35]
66,48
[2.62]
46,48
[1.83]
85,73
[3.375]
39,62
[1.56]
19,81
[0.78]
51,85
[2.04]
41,15
[1.62]
25,4
[1.00]
21,34
[0.84]
120,65
[4.75]
Ø76,20
[3.00]
73,18
[2.88]
MTG
PA
DS
2X Ø 5,16 [0.203]
MTG. HOLES
2X 5 / 16 - 2B UNC
TAPPED FROM
REAR ONLY
x 22,23 [0.875] min.
Ø 6,35
[0.25]
7,87
[0.31]
21,34
[0.84]
72,01
[2.835]
MAX. OPERA
TING
POINT
65,66
[2.585]
MIN.
OPERATING
POINT
9.47
[0.373]
21.34
[0.84]
58,55
[2.306]
OPERATING
POINT
96,77
[3.81]
138,18
[5.44]
46,48
[1.83]
85,73
[3.375]
Ø12,7
[0.50]
19,81
[0.78]
39,62
[1.56]
51,85
[2.04]
68,58
[2.70]
OPERA
TING
POINT
Ø76,20
[3.00]
120,65
[4.75]
41,15
[1.62]
73,18
[2.88]
17,53
[0.69]
41,13
[1.625]
21,34
[0.84]
4,75
[0.187]
25,40
[1.00]
38,10
[1.50]
2X Ø 5,16 [0.203]
MTG. HOLES
2X 5/16-18 UNS 2B
TAPPED FROM
REAR ONLY
x 22,23 [0.875] min.
MTG.
P
ADS
*
7,87
[0.31]
21,34
[0.84]
72,01
[2.835]
MAX. OPERATING
POINT
65,66
[2.585]
MIN.
OPERATING
POINT
9.47
[0.373]
21.34
[0.84]
58,55
[2.306]
OPERATING
POINT
21,34
[0.84]
44,07
[1.735]
46,48
[1.83]
85,73
[3.375]
44,07
[1.735]
20,32
[0.80]
19,81
[0.78]
39,62
[1.56]
4,74
[0.187]
31,75
[1.25]
96,77
[3.81]
140,97
[5.55]
38,10
[1.50]
51,85
[2.04]
25.40
[1.00]
41,15
[1.62]
73,18
[2.88]
120,65
[4.75]
Ø76,20
[3.00]
2X
Ø 5,16 [0.203]
MTG. HOLES
2X 5/16 UNC - 2B
TAPPED FROM REAR ONLY
x 22,23 [0.875] min.
Ø12,7 [0.50]
MTG.
PA
DS
OPERATING
POINT
21,3
4
[0.84]
33,02
[1.30]
21.34
.84
41,02 min.
[1.615]
47,37 max.
[1.865]
31,75
[1.25]
7,92
[0.312]
across
at
31,75
[1.25]
9,35
[0.368]
OPERATING
POINT
OPERATING
POINT
Sensing and Internet of Things 7
MICRO SWITCH BX Series
ISSUE 9 50083427
8 sensing.honeywell.com
MICRO SWITCH BX Series
ISSUE 9 50083427
WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as being free
of defective materials and faulty workmanship. Honeywell’s
standard product warranty applies unless agreed to otherwise
by Honeywell in writing; please refer to your order acknowledge-
ment 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 op-
tion, without charge those items it finds defective. The forego-
ing is buyer’s sole remedy and is in lieu of all other warran-
ties, expressed or implied, including those of merchant-
ability and fitness for a particular purpose. In no event shall
Honeywell be liable for consequential, special, or indirect
damages.
While we provide application assistance personally, through our
literature and the Honeywell web site, it is up to the customer 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 printing.
However, we assume no responsibility for its use.
Honeywell serves its customers through a worldwide network of
sales offices, representatives and distributors. For application
assistance, current specifications, pricing or name of the near-
est Authorized Distributor, contact your local sales office or:
E-mail: info.sc@honeywell.com
Internet: sensing.honeywell.com
Phone and Fax:
USA/Canada +18005376945
International +18152356847; +18152356545 Fax
Honeywell Sensing and Internet of Things
9680 Old Bailes Road
Fort Mill, SC 29707
honeywell.com
500834279EN | 9 | 02/20
© 2020 Honeywell International Inc. All rights reserved.
MICRO SWITCH BX Series
ISSUE 9 50083427
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Honeywell 50083427MICRO SWITCH BX Series Explosion-Proof Limit Switch Guide d'installation
- Taper
- Guide d'installation
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