IECEx Certificate of Conform ity

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1 IECEx Certificate INTERNATIONAL ELECTROTECHNICAL COMMISSION IEC Certitication Scheme tor Explosive Atmospheres tor rules and details of the IECEx Scheme visit v..ww.iecex.com Certificate Status: ~EX SIR05~~5U - r::- -- ICurrent ---- ~ issue NO.:1 --' I Certificate history: I Issue No. 1 ( ) Issue No. 0 ( ). Date of lssue: Page 1 of4 Applicant: Weidmuller Interface GmbH & Co Klingenbergstrasse Detmold Germany Electrical Apparatus: OptionaJ accessory: Type BK Range of Terminal Strips Type of Protection: Increased Safety Marking: Exe 11 Approved tor issue on behalf of the JECEx Certification Body: C Ellaby Position: Signature: (tor printed version) Certification Officer Q. Date: 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 OfficiallECEx Website. I Certlficate issued by: SIRA Certification Service Rake Lane Eccleston Chester CH4 9JN United Kingdom sira CERTIFICATION I I I IL _

2 IECEx Certificate Certificate IEGEx SIR U Date of lssue: Manufacturer: Weidmuller Interface GmbH & Co Klingenbergstrasse Detmold Genmany Issue 1 Page 2 of 4 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 5ubject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operation al Documents as amended. STANDARDS: The electrical apparatus and any acceptable variations to it specified in the schedule of this certificate and the identified documents, was tound to comply with the following standards: IEC : 2004 Edition: 4.0 IEC : 2001 Edition: 3 Electrical apparatus for explosive gas atmospheres - Part 0: General requirements ElectricaJ apparatus tor explosive gas atmospheres - Part 7: Increased satety 'e' ThiS Certificate does not indicate compliance with electricaf safety and performance requirements other than those express/y included in the Standards fisted above, TEST & ASSESSMENT REPORTS: A sample(s) of the equipment listed has successfully met the examination and test requirements as recorded in 'IECEx ATR: rgb/s!..ri~q6~ooliioo File Reference: -=UKiSIRl05/R51 L D-_-_-_-_-_-_-=--_-=--_-~~ ~ NUKEM/CAR /00 I ~

3 IECEx Certificate Certificate IECEx SIR U Date cf Issue: Issue 1 Page 30f4 Schedule EQUIPMENT: Equipment and systems covered by this certificate are as foliows: The Type BK Range cf Terminal Strips consist cf a nickel-plated brass yake with two zinc plated steel screws and two stainless steelleaf spring pressure plates. Self-deformation is incorporated in the design when the screws are tightened down is used to provide an automatie and progressive anti-rotation/anti-vibration locking effect. The terminals are rated at 275 V up to 28 A and are further described in the Annexe cf this certificate. I CONDITIONS OF CERTIFICA TION: NO

4 IECEx Certificate Certiflcate IECEx SIR U Date cf Issue: Issue 1 Page 4 cf 4 I DETAILS OF CERTIFICATE CHANGES (tor issues 1 and above): Issue 1 this Issue introduced the followinn channes: 1 The recognition cf minor drawing modiflcations; these amendments are administrative cr involve chanaes to the desion that da not affect the as~ects cf the nroduct that are relevant to exolosion saten. 2 Two new documents drawing were introduced, drawing number defines additional dimensions cf the 08 cross-connectina combs and number is a senarate label drawino Annexe: U Annexe Iss1.pdf

5 Annexe to: Applicant: Electrical Component: IECEx SIR U Issue 1 Weidmuller Interface GmbH & Co. Type BK Range of Terminal Strips sira CERTIFICATION The Type BK Range of Terminal Strips can accommodate solid or fiexible conductors between the range of 0.5 mm' to 4 mm'; they comprise a number of single pole feed through terminal assemblies that are separately mounted in a common melamine insulation housing. The terminal assemblies consist of a plated, brass yoke with two plated, steel screws and two stainless steel leaf spring pressure plates. These assemblies are designed to deform when the screws are tightened down and this self-deformauon is used to provide an automaue and progressive anti-rotationfanti-vibration locking effect. The insulated housing may be manufactured using a polymer with a different colour pigment, e.g. blue. In addition, it is provided with through holes located between each adjacent terminal, however, the BK 2 has only one through hole and therefore requires additional fixing, see special conditions for safe use. The following range of terminals are covered (Note: The terminals are supplied in the specific sizes listed below): Terminal Voltage Rating Current Rating Minimum Maximum Terminal Type (V) (Al (See Note 2) Cable Size Cable Size Resista nce (See Note 1) Without QB With QB (mm') (mm') 20 C) Connector Connector (See Note 3) BK BK BK BK BK Note 1: The terminals may be used in association with two-way (QB 2) and four-way (QB 4) cross-connecting combs, these have a cross connecting arm that is insulated with black nylon 6.6. The QB 2 may only be used with BK 4, BK 6 and BK 12 terminal blocks, the QB 4 may only be used with BK 6 and BK 12 terminal blocks. Neither of these combs can be fitted to the end terminals. When QB cross-connecting combs are used with the angled black insulation inclined upwards or downwards the voltage rating is reduced to 175 V maximum. Note 2: When QB cross-connecting combs are used, the maximum current is reduced to 25 A in a 40 C ambient to achieve a T6 rating. Note 3: When any of the above terminals are fitted inside junction boxes, the terminal resistance figure per terminal way (i.e. one twelve way strip = x 12) to be used for maximum power dissipation assessment purposes is as listed in table above. The voltage rating is an absolute condition of use, as stated in Table 1 of EN 50019: The current rating is not an absolute maximum but is the recommended value when used in a general-purpose junction box or marshalling box with cables having the following ratings: Cable Size (mm'l Maximum Current (A' Higher currents may be permitted subject to individual examination of each specific application. All terminals are "Tampo" print marked and have a continuous operating temperature range of -50 C to +130 e. Date: 19 August 2009 Page 1 of 2 Tel: Fax: Web: Sira Certification Service Rake Lane, Eccleston, Chester, CH4 9JN, England +44 (0) {Ol info(ä)siracertification.com

6 Annexe to: Applicant: Electrical Component: IECEx SIR OS.003SUIssue 1 Weidmuller Interface GmbH & Co. Type BK Range of Terminal Strips sira CERTIFICATION Special points for noting 1 Except when shown in a certificate as being internal wiring of apparatus, not more than one single or multiple strand lead shall be connected into either side of any terminal, unless multiple conductors have been joined in a suitable manner, e.g. two conductors into a single insulated crimped boot lace ferrule. 2 Leads connected to the terminals shall be insulated for the appropriate voltage and this insulation shall extend to within 1 mm of the metal of the terminal throat. 3 All terminal screws, used and unused, shall be tightened down to between 0.5 Nm and 0.7 Nm. 4 Minimum creepage and clearance distances between the installed terminals and adjacent conductive, equipment, enclosure walls and covers shall be S mm, unless QB cross-connecting combs are used, in which case these values are reduced to 3.2 mm in both cases. 5 BK 2 terminals shall be mounted in such a way as to prevent any rotation of the terminal strip during tightening er loosening of the terminal screws. All other larger terminals to be mounted via both of the fixing holes provided to prevent rotation. 6 Where the prong of an insulating comb is used in a terminal way, a further single conductor of 1 mm' minimum cross-sectional area may be connected to the same terminal way on top of the prong. 7 Where QB cross-connecting combs are used, with the angled black insulation inclined upwards or downwards the voltage rating is reduced to 176 V maximum - see 6.4 above. In addition, the current rating is reduced to 25A in a 40 C ambient to achieve a T6 rating. 8 The inside edge of the insulation of the combs cross-connecting arm shall be in contact with the terminal moulding. 9 The terminals shall never be exposed to temperatures outside of the range -SOoC to e. In addition, they shall only be installed and wired with cable in a temperature range of -looc to +80 e. 10 When this product is intended to be used in a potentially explosive dust atmosphere, it shall be installed in an enclosure that is suitably certified for use in this environment. 11 The QB cross-connecting combs are limited to the same current rating as the terminal and shall not be used with currents in excess of this value. Sira Certification Service Rake lane, Eccleston, Chester, CH4 9JN, England Date: 19 August 2009 Page 2 of 2 Tel' Fax: Web: +44 (0) (0) info(cj)siracertification.com

Page 1 of 5. Increased Safety, Encapsulation and Dust

Page 1 of 5. Increased Safety, Encapsulation and Dust IEC INTERNATIONAL ELECTROTECHNICAL COMMISSION IEC Certification Scheme for Explosive Atmospheres for rules and details of the IECEx Scheme visit www iecex com Certificate No.: Status: Date of Issue: IECEx