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6

Operating instructions
Position switches

EX-Z/T 355

EN

EX-ZT355-C-EN

7.  Appendix

The currently valid declaration of conformity can be down-
loaded from the internet at www.schmersal.net.

7.1  EC Declaration of conformity

Name of the component / type:

EX-Z/T 355

II 3G Ex nC IIC T5 Gc X

II 3D Ex tc IIIC T90°C Dc X

Description of the component:

Positive break position switch for safety func-
tions or position switch without safety function

Relevant EC-Directives:

2006/42/EC EC-Machinery Directive

1)

94/9/EC EC-Explosion Protection Directive (ATEX)

Afixing of the CE conformity mark:

1)

  for safety components, whose type plate is 

labelled "safety component"

2)

  for position switches without safety function

Used harmonized standards:

IEC 60947-5-1,  
EN 60079-0, EN 60079-15, EN 60079-31

Person authorized for the compilation of 
the technical documentation:

Oliver Wacker
Möddinghofe 30
42279 Wuppertal

K.A. Schmersal GmbH & Co. KG

Möddinghofe 30, D - 42279 Wuppertal
Postfach 24 02 63, D - 42232 Wuppertal 

Phone: 

+49 - (0)2 02 - 64 74 - 0 

Telefax:  +49 - (0)2 02 - 64 74 - 1 00
E-Mail: [email protected]
Internet: http://www.schmersal.com

Place and date of issue:

Wuppertal, December 10, 2014

Authorised signature

Philip Schmersal

Managing Director

EC Declaration of conformity

K.A. Schmersal GmbH & Co. KG
Möddinghofe 30
42279 Wuppertal
Germany
Internet: www.schmersal.com

We hereby certify that the hereafter described products both in their basic design and construction 
conform to the applicable European Directives.

Translation of the original  
Declaration of Conformity

Summary of Contents for EX-Z 355 Series

Page 1: ... Detailed information regarding the range of applications can be found in the chapter Product description 1 5 General safety instructions The user must observe the safety instructions in this operating instruc tions manual the country specific installation standards as well as all prevailing safety regulations and accident prevention rules Further technical information can be found in the Schmersa...

Page 2: ...rovide for the necessary operational safety The installation and maintenance requirements to the standard series EN 60079 must be met The user must evaluate and design the safety chain in ac cordance with the relevant standards and the required safety level Conditions for safe operation Due to the specific impact energy the components must be fitted with a protection against mechanical stresses Th...

Page 3: ...19 3 2 Dimensions All measurements in mm Position switches EX Z T 355 7 3 76 30 5 17 20 38 25 5 3 40 46 66 5 66 7 55 7 45 23 3 3 Settings Changing the switching function 4VH 4V7H 4V10H Position switches with 4V actuating head can be set so that they are switched either only clockwise only counterclockwise or in both direc tions The following steps are required 1 Unscrew the retaining screws and re...

Page 4: ...ly be carried out by autho rised personnel in a de energised condition The contact labelling can be found in the wiring compartment of the switch Cable glands included in delivery are only authorised for permanent cables The constructor must provide for the necessary strain relief After wiring dust and soiling must be removed from the wiring compart ment 4 2 Contact variants Contacts are shown wit...

Page 5: ...the component requires little maintenance For use in extreme conditions we recommend routine maintenance including the following steps 1 Check the correct fixing of the actuator and the safety switchgear 2 Lubricate the shaft or plunger 3 Remove particles of dust and soiling 4 Check cable entry and connections in a de energised condition Do not open the device when live Adequate measures must be t...

Page 6: ...tion switches without safety function Used harmonized standards IEC 60947 5 1 EN 60079 0 EN 60079 15 EN 60079 31 Person authorized for the compilation of the technical documentation Oliver Wacker Möddinghofe 30 42279 Wuppertal K A Schmersal GmbH Co KG Möddinghofe 30 D 42279 Wuppertal Postfach 24 02 63 D 42232 Wuppertal Phone 49 0 2 02 64 74 0 Telefax 49 0 2 02 64 74 1 00 E Mail info schmersal com ...

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