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83139
› Double-break flexible leaf snap-action mechanism
› IP66/IP67 protection
› Wire lead or cable output
› ATEX/IECEx certified flameproof version for use in
explosive gas atmospheres
› Oil and hydrocarbon-resistant version
› Two-pole/DPDT version with synchronized switchings
› Class II version with double insulation
› Ratings from 1 mA 4 Vc to 6 A 250 Va
› Operating temperature from -40 °C up to 105 °C
› Wide choice of actuators (pre-assembled or
retrofittable)
Standard
831395
Oil-resistant
831390
Flameproof
831391
Double
insulation
831392
Two-pole
831398
Function / Fixing Connections
I (changeover) / A (4 holes) S0.5 (wires, standard) 83139503 83139003 - - 83139801
I (changeover) / A (4 holes) G0.5 (wires, left) ● ● ---
I (changeover) / A (4 holes) D0.5 (wires, right) ● ● ---
I (changeover) / A (4 holes) C0.5 (cable) ● ● - - -
I (changeover) / B (2 holes) S0.5 (wires, standard) 83139518 ●83139103 - -
I (changeover) / B (2 holes) G0.5 (wires, left) ●●●- -
I (changeover) / B (2 holes) D0.5 (wires, right) ● ● 83139104 - -
I (changeover) / B (2 holes) C0.5 (cable) ● ● 83139130 83139201 -
Electrical characteristics
Rating nominal / 250 V AC (A) 66666
Rating thermal / 250 V AC (A) 11 11 11 11 11
Mechanical characteristics
Maximum operating force (N) 33334.5
Min. Release force (N) 0.6 0.6 0.6 0.6 0.8
Maximum total travel force (N) 44446
Max. Allowable overtravel force (N) 10 10 10 10 20
Rest position max, fixing A (mm) 8.8 8.8 - - 8.8
Rest position max, fixing B (mm) 9.8 9.8 9.8 9.8 -
Operating position, fixing A (mm) 7.7±0.4 7.7±0.4 - - 7.7±0.4 *
Operating position, fixing B (mm) 8.7 ±0.4 8.7 ±0.4 8.7 ±0.4 8.7 ±0.4 -
Differential travel (mm) 0.35 ±0.1 0.35 ±0.1 0.35 ±0.1 0.35 ±0.1 0.35 ±0.1
Min. Overtravel (mm) 0.25 0.25 0.25 0.25 0.25
Ambient operating temperature (° C) -40 ➞+85 0 ➞+85 -40 ➞+70 -40 ➞+85 -40 ➞+85
Mechanical life (operations) 5 x 1061075 x 1065 x 1065 x 106
Contact gap, wire versions (mm) 0.3 x 2 0.3 x 2 0.3 x 2 -0.3 x 2
Contact gap, cable versions (mm) 0.3 0.3 0.3 0.3 -
Weight, wire versions (g) 33 33 33 - 62
Weight, cable versions (g) 31 31 31 31 -
* Max. deviation between the operating positions of both poles of a single switch: 0.1mm
(For reduced max. deviation, down to 0.06 mm : please consult us)
- Case: PBT GF (UL 94-V0 / GWFI 960 °C)
- Button: stainless steel, POM (831392), brass (831398)
- Membrane: blue fluorosilicone rubber, black nitrile rubber (831390)
- Moving blade: beryllium copper
- Contacts: silver (gold-plated silver : on request)
- Wire leads, Cable: copper, PVC insulated
- Levers: stainless steel, polyamide roller
- Degree of protection: IP66/IP67
- Protection against electric shock: 831392 is suitable for Class II equipment
up to 250 V without additional protection
- Recommended min actuating speed: 0.01 mm/s
- 831391 Ex features:
conform to IEC/EN 60079-0 and IEC/EN 60079-1
conform to 2014/34/EU directive
marking: 0081 II 2 G - Ex d IIC Gb
EC type examination certificate: LCIE 02 ATEX 0034 U
IECEx certificate of conformity: IECEx LCIE 13.0035U
see also “installation recommendations”
- Certification marks: on request (except 831398) / (831391) /
Main specifications
Additional specifications
MINIATURE MICROSWITCHES - SEALED, DOUBLE BREAK
Standard product Product made to order Contact us
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› Special levers : special shapes and lengths
› Special leads and cables (EN 50306 halogen-free, oil-resistant, …), full wiring with custom connector
› Functions on request : normally closed (R) or normally open (C) SPST or DPST microswitches
› 3-wire single break changeover SPDT (form C): “Common point” option
› High operating temperature : +105 °C
› Dual-current version with gold plated contacts for use from 1 mA to 5 A
› Telescopic plunger with up to 4 mm overtravel and adjustable fixing by threaded barrel (SP4257)
› cURus approved versions (except 831398)
Double break snap-action switch Single break snap-action switch Double break snap-action switch
Changeover - SPDT (form Za)
Types 831390/831391/831395 with wire output
Changeover - SPDT (form C)
Types 831390/831391/831392/831395 with
cable output
Changeover - DPDT (2 x form Za)
Type 831398
14 12 11 13 24 22 21 23
Operating curve for types
831390 / 831391 / 831392 / 831395 / 831398
10
0.1 0.2 0.5 12 5
2
5
2
5
2
5
4
10
5
10
6
10
7
250V~
30V
4
5
1
3
{
~ cos ϕ = 0,8
L
R
= 5 ms
2
831390
83139-1-2-5-8
BNumber of cycles
CResistive circuit
DInductive circuit
EMechanical life limit
FCurrent in Amps
Product adaptations
Principles
Curves
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Products and Connections
83139 - wire output
831390 - 831395
Fixing A (4 holes)
831390 - 831391 - 831395
Fixing B (2 holes)
831398
1
2
4
5
3
1
2
4
5
3
1
2
3
25,5± 0,2
19± 0,1
10± 0,1
Ø2
4 x Ø3+0,1
19,5
+0,2
6,3
26
0
B R: 1.5 spherical
C Wire identification
D S wire output on bottom, standard: 1-2-3-4=black
E G wire output on left: 1 = black, 2 = brown, 3 = grey, 4 = blue
F D wire output on right: 1 = black, 2 = brown, 3 = grey, 4 = blue
B R: 1.5 spherical
C Wire identification
D S wire output: 11-12-21-22 = brown
13-14-23-24 = blue
Wire characteristics: Cross section: 0.75 mm²
Standard length: 0.5 m
Other lengths on request (length in meters: e.g. 1.5)
83139 - cable output
831390 - 831395
Fixing A (4 holes)
831390 - 831391 - 831392 - 831395
Fixing B (2 holes)
1
3
Dimensions
1
3
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B R: 1.5 spherical
D C cable output: 1 = black, 2 = brown, 4 = blue
Cable characteristics: Cross section: 3 x 0.75 mm²
Standard length: 0.5 m
Other lengths on request (length in meters: e.g. 1.5)
Actuator mounting positions
139-type levers (pinned)
831390 - 831395
Fixing A (4 holes)
831390 - 831391 - 831392 - 831395
Fixing B (2 holes)
831398 (consult us)
1
9,5 9,5
4,25
4,25
161-type levers (clipped-on)
831390 - 831395
Fixing A (4 holes)
831390 - 831391 - 831392 - 831395
Fixing B (2 holes)
831398
1
9,5 9,5
4,25
4,25
Actuators
139AX flat 139EX roller 161A flat
4.6
7
5.7
161E roller 161F dummy roller 161G dummy roller
5,5
R 22.2
90°
0.3x7
Other shapes and dimensions: consult us
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Part numbers for
standard actuators
Operating force max. N
Release force min. N
Operating position, fixing A mm
Operating position, fixing B mm
Differential travel max. mm
Actuators Flat 139AX R29.7 Roller 139EX R28.7 Flat 161A R14.2 Flat 161A R25.4
79215740 70507524
831390/1/2/5 831398 831390/1/2/5831398 831390/1/2/5831398 831390/1/2/5 831398
1.5 -
-
-
-
-
-
-
-
-
-
1.52.6 3.91.7 2.6
0.20.2 0.35 0.50.2 0.3
8.2
±1.2
13.4
±1.2
8.2
±0.6
8.1
±0.6
8.2
±1
7.3
±1
79211674*79211671*
1.51.5 0.70.7 1.25 1.35
9.2
±1.2
14.4 ±1.2 9.2 ±0.6 - 9.2 ±1 -
Part numbers for
standard actuators
Operating force max. N
Release force min. N
Operating position, fixing A mm
Operating position, fixing B mm
Differential travel max. mm
Actuators Roller 161E R13.6 Roller 161E R24.1 Dummy roller 161F R22.2 Dummy roller 161G R21.8
7050752879215742 70507529 79218651
831390/1/2/5 831398 831390/1/2/5831398 831390/1/2/5831398 831390/1/2/5 831398
2.63.9 1.72.6 23
23
0.35 0.50.2 0.30.2 0.30.2 0.3
13.9
±0.7
13.6
±0.7
13.9
±1
12.4
±1
14.7
±1
13.8
±1
12.9
±1
13.3
±1
0.70.7 1.21.3 1.11.2 1.
11
.2
- 14.9 ±1 14.3 ±1
- -15.7
±1 -
14.9
±0.7
Unless mentioned specifically, 161-type levers are supplied unmounted . For factory mounting, see preferred part numbers in table below.
* 139-type levers are preferably factory mounted : see preferred part numbers in table below . For unmounted supply,
please also order associated pin 79210424 .
Note: we recommend greasing the switch button lightly when fitting actuators, excluding greases containing silicone.
83139 microswitches with referenced actuators
Actuators
139AX R29.7 139EX R28.7 161A R14.2 161A R25.4 161E R13.6 161E R 2 4.1 161G R21.8
79211671 79211674 79215740 70507524 79215742 70507529 79218651
831390 I A S0.5 83139006 83139008 83139023 83139024 83139025 83139026 83139027
831391 I B S0.5 8313 9118 8313 9117 ● ● 83139129 83139121 ●
I B G0.5 ●83139120 ●●●●●
I B C0.5 ● ● 83139124** ●●●●
831395 I A S0.5 83139505 83139507 ●●●●●
** Actuator width is 4 mm
Installation recommendations
See “Basic technical concepts”
Special condition for safe use of 831391 in explosive atmospheres: the component must be installed in an enclosure which meets the mecha-
nical strength requirements of IEC/EN 60079-0.
How to order
Use the 8 digit part numbers when they are dened
Other cases, precise:
Type of microswitch - Function - Fixing - Connexion - UL approval* - Actuator* - Adaptation*
* if needed
Example: 831395 I B D0.5 UL 139EX R28.7
Actuators and mounting accessories
Standard product Product made to order Contact us
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Examples of special adaptations
Telescopic roller plunger with
2.5 mm overtravel and
adjustable xing by threaded
barrel (SP4257)
2-pole DPST-NO ameproof
special microswitch, for explo-
sive atmospheres
Halogen-free wire version with
at pinned lever, for railway
applications
3-wire SPDT (Form C) variant
with lateral output
2-pole model with extra-short
lever, stainless steel roller and
extended overtravel
SPST-NO version with insulated
connexions and dummy roller
lever
Warning:
The product information contained in this catalogue is given purely as information and does not constitute a representation, warrantly or any form of contractual commitment.
Crouzet Automatismes SAS and its subsidiaries reserve the right to modify their products without notice. It is imperative that we should be consulted over any particular use or application of our
products and it is the responsability of the buyer to establish, particularly through all the appropriate tests, that the product is suitable for the use or application. Under no circumstances will our warranty
apply, nor shall we be held responsible for any application (such as any modication, addition, deletion, use in conjunction with other electrical or electronic components, circuits or assemblies, or any
other unsuitable material or substance) which has not been expressly agreed by us prior to the sale of our products.
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