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IECEx Certificate
of Conformity

IEC Certification Scheme for Explosive Atmospheres
for rules and details of the IECEx Scheme visit

Certificate No.:
IECEx TUN 12.0005X issue No.: 0

Certificate history:

Date of Issue:2012-05-25Page 1 of 3
Scancon A/S
Tranevang 1
3450 Allerĝd
Equipment:Encoder type SCA24EX and SCH24EX
Optional accessory:
Type of Protection:Ex db and Ex tb

 Marking: Ex db IIC T5 Gb       Ex tb III C T100 °C Db    IP6x    -40 °C < Tamb < +70 °C
Approved for issue on behalf of the IECEx
Certification Body:


(for printed version)
1. This certificate and schedule may only be reproduced in full.
2. This certificate is not transferable and remains the property of the issuing body.
3. The Status and authenticity of this certificate may be verified by visiting the Official IECEx Website.

  Certificate issued by:
Hanover Office
Am TÜV 1
30519 Hannover


IECEx Certificate
of Conformity

Certificate No.:IECEx TUN 12.0005X
Date of Issue:2012-05-25Issue No.: 0
Page 2 of 3
Scancon A/S
Tranevang 1
3450 Allerĝd

Additional Manufacturing location(s):


This certificate is issued as verification that a sample(s), representative of production, was assessed and tested and found to comply with the IEC Standard list below and that the manufacturer's quality system, relating to the Ex products covered by this certificate, was assessed and found to comply with the IECEx Quality system requirements. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.

The apparatus and any acceptable variations to it specified in the schedule of this certificate and the identified documents, was found to comply with the following standards:

IEC 60079-0 : 2004
Edition: 4.0
Electrical apparatus for explosive gas atmospheres - Part 0: General requirements
IEC 60079-0 : 2007-10
Edition: 5
Explosive atmospheres - Part 0:Equipment - General requirements
IEC 60079-1 : 2007-04
Edition: 6
Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
IEC 60079-31 : 2008
Edition: 1
Explosive atmospheres – Part 31: Equipment dust ignition protection by enclosure 't'
This Certificate does not indicate compliance with electrical safety and performance requirements other than those expressly included in the Standards listed above.

TEST & ASSESSMENT REPORTS:A sample(s) of the equipment listed has successfully met the examination and test requirements as recorded in

Test Report:


Quality Assessment Report:



IECEx Certificate
of Conformity

Certificate No.:IECEx TUN 12.0005X
Date of Issue:2012-05-25Issue No.: 0
Page 3 of 3
Equipment and systems covered by this certificate are as follows
The encoder type SCA24EX & SCH24EX is a small cylindrical unit with a diameter of about 24mm and a length of about 45 mm depending on the angle of the cable entry. The encoder contains low voltage electronics. The shaft can be either a solid or a hollow type. The housing can be designed in 3 different type variants e.g with cable entry in the end or bended in an angle of 24o or up to 90o.The type of protection is realized by an Ex-d flameproof enclosure. The housing is manufactured of aluminum or stainless steel with a brass flange. The unit comprises three flame-paths, a cylindrical joint between end-cap and body, a threaded cable entry gland and one cylindrical rotating shaft held in place with 2 precision roller bearings.

Supply: 5 to 24 VDC / max 100 mA.

  • Ambient temperature area: -40 oC < Tamb < +70 oC
  • Ingress protection: IP 64, IP65, IP66 or IP67.
  • Rated speed max 3000 rpm
  • Max. permissible load on the shaft: axial 10 N and 20 N radial.
  • Routine tests are not required in accordance with clause 16.2 of IEC 60079-1

Type code nomenclature:

Type code nomenclature for type SCA24EX & SCH24EX is specified in accordance with manufacturers drawing no.00142294:

SCA24EX-xxxxx-xx-x-xx-xx-xx-xx-x-x-x (solid shaft) and

SCH24EX-xxxxx-xx-x-xx-xx-xx-xx-x-x-x (hollow shaft).


The end user must show special attention to te following points:
  • The encoder is delivered with factory mounted cable and cable gland. This cable can only be replaced by the manufacturer.
  • The encoder has passed the clamping test of the cable with reduced force - due to this the user must establish an external clamping of the cable or alternatively the encoder may be mounted in a cabinet/terminal box.
  • Repair on the enclosure and flamepath can only be done by the manufacturer.
  • Precautions must be taken to avoid dust forming layers on the encoder.



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