Saudi Electricity Company لكهرباء الشركة السعودية لSEC DISTRIBUTION MATERIALS SPECIFICATION 31-SDMS-02 Rev. 02 DATE: April 2017G 31-SDMS-02 REV. 02 SPECIFICATIONS FOR LOW-VOLTAGE DISTRIBUTION PILLAR (MINI-PILLAR) This specification is property of SEC and subject to change or modification without any notice
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31-SDMS-02 REV. 02 SPECIFICATIONS FOR - SE · Saudi Electricity Company ءابرهكلل ةيدوعسلا ةكرشلا SEC DISTRIBUTION MATERIALS SPECIFICATION 31-SDMS-02 Rev. 02
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Saudi Electricity Company الشركة السعودية للكهرباء
SEC DISTRIBUTION MATERIALS SPECIFICATION 31-SDMS-02 Rev. 02
DATE: April 2017G
31-SDMS-02
REV. 02
SPECIFICATIONS
FOR
LOW-VOLTAGE DISTRIBUTION PILLAR
(MINI-PILLAR)
This specification is property of SEC and
subject to change or modification without any notice
Saudi Electricity Company الشركة السعودية للكهرباء
SEC DISTRIBUTION MATERIALS SPECIFICATION 31-SDMS-02 Rev. 02
DATE: April 2017G
Page 2 of 17
C O N T E N T S
CLAUSE TITLE PAGE NO.
1.0 SCOPE 3
2.0 CROSS REFERENCE 3
3.0 APPLICABLE CODES AND STANDARDS 3
4.0 SERVICE CONDITIONS 3
5.0 DESIGN AND CONSTRUCTION REQUIREMENTS 4
6.0 TESTS AND INSPECTION 7
7.0 MARKING 8
8.0 PACKING 8
9.0 GUARANTEE 8
10.0 SUBMITTALS 8
11.0 TECHNICAL DATA SCHEDULE 10
Saudi Electricity Company الشركة السعودية للكهرباء
SEC DISTRIBUTION MATERIALS SPECIFICATION 31-SDMS-02 Rev. 02
DATE: April 2017G
Page 3 of 17
1.0 SCOPE
This specification describes the minimum technical requirements for design, materials,
manufacture, testing, inspection and performance of Low-Voltage Distribution Pillar
(Mini-Pillar) to be used in the distribution system of Saudi Electricity Company (SEC).
2.0 CROSS REFERENCE
This specification shall be read in conjunction with SEC specification 01-SDMS-01 (latest
revision) titled “General Requirement for all Equipment/ Materials”, which shall be
considered as an integral part of this specification. Also, it shall be read in conjunction
with SEC purchase order requirements or contract schedules.
3.0 APPLICABLE CODES & STANDARDS
The latest revision of the following codes and standards shall be applicable to the
equipment/material covered by this specification. In case of any deviation, the
manufacturer/vendor may propose equipment/material conforming to alternate codes
or standards. However, the provision of SEC standards shall supersede the provisions
of these standards in case of any conflict.
IEC 61439-5 Low-Voltage Switchgear and Controlgear Assemblies – Part
5: Assemblies for Power Distribution in Public Networks
IEC 60529 Degrees of Protection Provided by Enclosures (IP Code)
IEC 60269-2
Low-Voltage Fuses – Part 2: Supplementary Requirements for
Fuses for Use by Authorized Persons (Fuses Mainly for
Industrial Application) – Examples of Standardized Systems
of Fuses A to K
DIN 16911 Polyester Resin Molding Materials
DIN 43629 Dimensions of Cabinet
In case of any deviation from the listed standards, it should be indicated in the list of
deviations submitted by the supplier.
4.0 SERVICE CONDITIONS
4.1 The mini-pillar shall be suitable for operation under the service conditions as per
latest revision of SEC General Specification No. 01-SDMS-01.
4.2 The mini-pillar with all its accessories, fittings, and attachments shall withstand the
effect of direct solar radiation at their installed locations. The temperature of
exposed surfaces shall be regarded as 75°C plus the effect of internal heating.
Saudi Electricity Company الشركة السعودية للكهرباء
SEC DISTRIBUTION MATERIALS SPECIFICATION 31-SDMS-02 Rev. 02
DATE: April 2017G
Page 4 of 17
5.0 DESIGN & CONSTRUCTION REQUIREMENTS
5.1 General
5.1.1 All cable terminations on the mini-pillar shall be easily accessible from the
front.
5.1.2 All insulating materials shall be non-hygroscopic and resistant to tracking
and cracking.
5.1.3 All parts with equal size and shape shall be interchangeable.
5.1.4 The mini-pillar shall be equipped with seven (7) 3-Phase, 4-Wire System
terminal connections for aluminum cables with lugs, i.e. two (2) incoming
and five (5) outgoing circuits as shown in drawings SEC/DP-02 and
SEC/DP-04.
5.1.5 The two (2) incoming circuits shall be located on each side of the mini-
pillar, and the five (5) outgoing circuits through the use of 3-phase fuse-
rails shall be positioned in between the incoming circuits.
5.2 Enclosure
5.2.1 The mini-pillar shall be outdoor type (IP54), made of impact-proof, heat-