Microswitches MS - boesha.de · BöSha GmbH + Co. KG . Heidberg 21 . D- 59602 Rüthen . Ph.: 0049 (0) 2952– 97091-0 - Fax.: 0049 (0) 2952– 97091-150 - E-Mail: [email protected] -

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Microswitches MS ***

Type of Explos ion Protect ion :

I I 2G Ex d (e) I IC T6 or T4

Degree of Enc losure Protec t ion : Min. IP 54

EC-Type Examinat ion Cert i f icate : IBExU 03 ATEX 1224 X

Descr ip t ion

• Usable as auxi l ia ry swi tches in load, s ignal , regulat ion and cont ro l c i rcu i ts

• Fracture-p roof enc losure wi th one o r two galvanica l l y iso la ted snap-act ion contacts work ing as NC-, NO- or CO-contacts (normal l y c losed, normal ly open, changeover )

• Some types achieve IP 67 accord ing to DIN EN 60529

Technica l Speci f icat ions

Sw i tch ing Capaci t y in R esis t i ve Ci rcu i ts :

MS 21. / . AC: 250V / 7 A 125V / 7A

DC: 125V / 0 .5A 250V / 0 .25A

MS 11. / . . to MS 14. / . . AC: 250V / 5 A 125V / 6A

DC: 30V / 2A 250V / 0 .4A

MS 151/ . . AC: 250V / 7A

DC: 250V / 0 .25A

Mechanica l L i fe : Min. 107 operat ions

Opera t ing Tempera ture -20°C to +125°C and

of Snap-Ac t ion Contac ts : -40°C to +85°C

Dimensions : Acc. to data sheet

Connect ion : Cables or leads be ing f i xed

components o f the swi tch;

or terminals ( t ype MS 14 . / . . )

Accessor ies : Levers o f d i f ferent des igns,

e . g . ro l le r , over- t rave l o r spec ia l ly des igned

levers e tc .


EEx d I / I I - Mic rosw i tches w i th Connect ing Cables/Co nnect ing Lead

Type of Explos ion Protect ion : I I 2G EEx d I IC T4 o r T6

Degree of Enc losure Protect ion : Min. IP 54

Ambient Temperatu re : -20°C to +40°C or +75°C


EEx d I / I I -Mic rosw i tches w i th Connect ing Cab les



Ambient Temperatu re : -20°C to + 40°C or +75°C


EEx de I / I I -Mic rosw i tches w i th Terminals

Type of Explos ion Protect ion : I I 2G EEx de I IC T4 o r T6




EEx d I / I I -Mic rosw i tches w i th Connect ing Cab les/Con nec t ing Lead





Type Identification Key

MS ** * * * ** ** / ** *

Ser ies / Type

11 - S tandard S wi tch wi t h 19 mm Hole Cent re D is tance

12 - Edge Ac tuat ed S wi tch

13 - P in Ac tuated S wi tch

14 - S wi tch wi t h 25 mm Hole Cent re D is tance

15 - Min ia t ure S wi tch

16 - S wi tch wi t h Sc rewed-On I nser t

21 - S tandard S wi tch wi t h 16 mm Hole Cent re D is tance

22 - Lum ina i re S wi tch

Number o f Sw i tch ing E lements

1 - S ing le

2 - Doub le

Cons t ruc t iona l Length / Add i t i ona l Mount ing Means

1 - Shor t Enc losure

2 - Medium-S ize Enc losu re

3 - Long Enc losu re

6 - Sho r t En losu re wi th Moun t ing Base

- E tc .

(Spec ia l Des ign) / Type o f Connect ion

1 - Connec t ing Cables

2 - Connec t ing Lead

3 - Spec ia l Des ign wi t h Connec t ing Cables

4 - Spec ia l Des ign wi t h Connec t ing Lead

8 - Term ina ls

9 - Spec ia l Des ign wi t h Term ina ls (e . g . g i l ded contac ts )

Length o f Connec t ing Cab les / Lead

( fo r cab les in 10 cm-s teps ,

fo r lead in 1 m-s teps )

00 - Spec ia l Lengths

Swi tch Contac t Type

A - Normal ly C losed (NC)

B - No rmal ly Open (NO)

C - Changeover (CO)

D - NC / NO

F - Forced Break S wi tch

J - NO wi th 2 mm Contac t Gap

L - NO wi th 4 mm Contac t Gap

- E tc .

Opt ions

Charac te r is t i cs not In f luenc ing E xp los ion Pro tec t i on :

e . g . Add i t iona l Ac tuat ors

Charac ter i s t i cs fo r App l i ca t ion

Poss ib le Use

Documents

Microswitches MS - boesha.de · BöSha GmbH + Co. KG . Heidberg 21 . D- 59602 Rüthen . Ph.: 0049 (0) 2952– 97091-0 - Fax.: 0049 (0) 2952– 97091-150 - E-Mail: [email protected] -