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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 ITS 13.0024X issue No.: 4
Date of Issue:2017-10-02Page 1 of 4
Scancon Encoders A/S
Huginsvej 8,
Equipment:SCA86XM, SCH86BXM & SCH86FXM Type Encoders
Optional accessory:
Type of Protection:Ex 'db' & 'tb'


Ex db I Mb

Ex db IIC T5 Gb

Ex tb III C T100°C Db


Approved for issue on behalf of the IECEx
Certification Body:
P Moss

Position:Certification Officer

(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:
Intertek Testing & Certification Limited
ITS House, Cleeve Road,
Surrey, KT22 7SB
United Kingdom


IECEx Certificate
of Conformity

Certificate No.:IECEx ITS 13.0024X
Date of Issue:2017-10-02Issue No.: 4
Page 2 of 4
Scancon Encoders A/S
Huginsvej 8,

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 : 2011
Edition: 6.0
Explosive atmospheres - Part 0: General requirements
IEC 60079-1 : 2014-06
Edition: 7.0
Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
IEC 60079-31 : 2013
Edition: 2
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 ITS 13.0024X
Date of Issue:2017-10-02Issue No.: 4
Page 3 of 4
Equipment and systems covered by this certificate are as follows

The Incremental Encoder types SCA86XM, SCH86BXM, SCH86FXM are small stainless steel enclosures available in a “U”-shape with removable end cap  or in a “drop-shape” with non-removable end cap  with approximate dimensions of 70mm x 86mm x 130mm.These enclosures are populated with electronics and have a shaft passing through the main body. The shaft may be solid or hollow and with one or two ends free. The encoder designations detail the type of shaft used as follows; SCA86XM – Solid Shaft, SCH86BXM – Hollow Shaft, SCH86FXM – Hollow Shaft. The enclosures comprise of cylindrical flamepaths between the Housing & End Cap, End Cap & Cover (when “U”-shaped enclosure used). The rotating shaft also forms a cylindrical flamepath through the housing controlled by k & m factors and is held in place with 2 precision roller element bearings. The enclosure is provided with either one or two threaded cable entries which are fitted with either a certified M20 or M25 cable gland. Alternatively the equipment can have either one or two holes in NPT size ≤ 3/4”. Both internal and external earthing is provided.

Note: Optionally the encoder can be fitted with an optical transmitter - the optical radiation output of the apparatus with respect to explosion protection is covered in this certificate based on Exception 3) to the scope of IEC 60079-28:2015.

  • Minimize the risk from electrostatic discharge - clean only with a damp cloth.
  • Temperatures at the cable entry can reach 90 °C. Selection of cable must be appropriate for the ambient temperature range in which the product is used.
  • No modifications must be made to the flamepaths of the enclosure without consultation to the manufacturer’s drawings.
  • Use only fasteners with minimum yield stress of 450MPa.
  • Use only suitably certified Ex db I Mb/IIC Gb and Ex tb IIIC Db cable glands.
  • Use only suitably certified Ex db I Mb/IIC Gb and Ex tb IIIC Db blanking elements.
  • Use only suitably certified Ex db I Mb/IIC Gb and Ex tb IIIC Db thread adapters.
  • When installed in mining areas the enclosure must be protected from high risk impacts.




IECEx Certificate
of Conformity

Certificate No.:IECEx ITS 13.0024X
Date of Issue:2017-10-02Issue No.: 4
Page 4 of 4
 DETAILS OF CERTIFICATE CHANGES (for issues 1 and above):

Issue 1:

Warning label amendment and removal of reference to pcb types from ordering code.Changes to ordering code have no technical impact upon the equipment and as such no further assessment is necessary.

Issue 2:

Change of address from "Tranevang 1, 3450 Alleroed, Denmark" to "Huginsvej 8, DK-3400, Hilleroed, Denmark".

Rationalisation of Conditions of Certification.

Correction of cable temperature rating in Conditions of Certification.

Clarification of equipment description.

Issue 3:

Reduction of wall thickness for through shaft, addition of NPT threaded option and minor changes to drawings.

Issue 4:

Inclusion of new type of rotary seal.

Inclusion of an optical transmitter version of the encoder. 

Update of IEC 60079-1 from Ed. 6 to Ed. 7.

Update of IEC 60079-31 from Ed. 1 to Ed.2.

Minor drawing changes not compromising the IECEx certification.


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