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BSI PD IEC TS 63236-2:2021

BSI PD IEC TS 63236-2:2021

$142.49

Direct current (DC) appliance couplers for information and communication technology (ICT) equipment installed in data centres and telecom central offices – 5,2 kW system

Published By Publication Date Number of Pages
BSI 2021 32
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This part of lEC 63236, which is a Technical Specification, applies to DC appliance couplers for class I equipment with two active contacts plus an earthing contact, a rated power of 5,2 kW and a rated voltage range from 294 V to 400 V DC. They are intended to power DC information and communication technology equipment only, as specified in IEC 62368-1.

The accessories according to this document are intended to be used by ordinary persons in data centres only where the value of the DC voltage distribution system is defined as follows:

  • 380 V with a tolerance of ±20 V for installations with no backup battery or with a voltage regulation system;

  • 380 V with a voltage range of 294 V to 400 V for installations with a backup battery where voltage regulation is not guaranteed;

  • the voltage value between each live conductor and earth does not exceed 200 V DC during normal operation;

  • there are two abnormal voltage ranges (duration below 10 min):

    • 260 V up to 294 V, and

    • above 400 V to 410 V.

The maximum current of the appliance couplers is

  • 13 A when the voltage between live contacts is 400 V DC,

  • 17,6 A when the voltage between live contacts is 294 V DC,

and can rise up to 20 A when the voltage between live contacts decreases to 260 V DC for 10 min maximum.

The voltage between live conductors can fall down to 260 V DC when the voltage discharge value of the battery reaches the disconnecting level. The consequence is that the current increases accordingly.

The accessories according to this document do not require maintenance.

The accessories according to this document are intended for use in circuits where

  • basic protection,

  • an overcurrent protection (of 17,6 A or less for each socket-outlet or multiple socket-outlet),

  • the fault protection (indirect contact protection), and

  • additional protection

are already assured.

Appliance couplers complying with this document are suitable for normal use at ambient air temperatures not normally exceeding +60 °C, with a lower limit of the ambient air temperature of -5 °C.

Appliance couplers are not suitable for use in place of plug and socket-outlet systems according to the IEC TS 62735 series

The 2,6 kW system complying with IEC TS 63236-1 is not compatible with the system complying with IEC TS 63236-2 as it is impossible to mate the 2,6 kW connector in the 5,2 kW appliance inlet and it is also impossible to mate the 5,2 kW connector into the 2,6 kW appliance inlet.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 1 Scope
9 2 Normative references
3 Terms and definitions
4 General requirements
5 General notes on tests
6 Standard ratings
7 Classification of appliance coupler
10 8 Marking
9 Dimensions and compatibility
10 Protection against electric shock
11 Provision for earthing
12 Terminals and terminations
13 Construction
Tables
Table 1 – Relationship between rated power and connectablenominal cross-sectional areas or American Wire Gauges (AWG)size of copper conductors
11 14 Insulation resistance and electric strength
15 Forces necessary to insert and to withdraw the connector
15.1 General
16 Operation of contact
17 Resistance to heating of appliance coupler
Table 2 – Maximum diameters of the cords
Table 3 – Maximum and minimum withdrawal forces
12 18 Breaking capacity
19 Normal operation
20 Temperature rise
13 21 Cords and their connection
21.1 Cords for non-rewirable connectors
21.2 Cable anchorage
Table 4 – Cords and conductors for the tests of Clause 21
Table 5 – Type and nominal cross-sectional area of cords
Table 6 – Types of cable for the rewirable connector test
14 22 Mechanical strength
23 Resistance to heat and ageing
24 Screws, current-carrying parts and connections
24.1 General
25 Creepage distances, clearances and distances through sealing compound
26 Resistance of insulating material to heat, fire and tracking
Table 7 – Value for the lateral pulls applied
Table 8 – Values for straight and lateral pull forces
15 27 Resistance to rusting
28 Electromagnetic compatibility (EMC) requirements
101 0 (zero) current operated appliance inlet systems
16 Annex A (normative)Safety-related routine tests for factory-wired accessories(protection against electric shock and correct polarity)
17 Annex B (normative)Test schedule
18 Annex C (informative)Alternative gripping tests
19 Annex D (normative)Standard sheets and gauges
D.1 Standard sheets
21 Figures
Figure D.1 – Appliance inlet
23 Figure D.2 – Connector
24 D.2 Gauges
D.2.1 Distance to the point of first contact
Figure D.3 – Positioning of the “+” and “−” pins/connector-contacts
25 D.2.2 “GO” gauges for appliance inlets according to standard sheet 1 (Figure D.1)
Figure D.4 – Gauges for checking point of first contact
Table D.1 – Dimensions of contact gauge
26 Figure D.5 – “GO” gauges for appliance inlets accordingto standard sheet 1 (Figure D.1)
27 D.2.3 “GO” gauge for connectors according to standard sheet 2 (Figure D.2)
Figure D.6 – “GO” gauges for connector according to standard sheet 2 (Figure D.2)
28 D.2.4 Gauge for checking the maximum withdrawal force (see 15.2)
D.2.5 Gauges for checking the minimum withdrawal force (see 15.3)
Figure D.7 – Gauge representing the counterpart inlet designed to accept DConly for checking the maximum withdrawal force, for breaking capacity testand for normal operation test
Figure D.8 – Gauge for checking the minimum withdrawalforce for “+” and “–” connector-contact
29 D.2.6 Position of switch cam of optional micro switches
Figure D.9 – Gauge for checking the minimum withdrawalforce for “+”, “–” and “PE” socket-contact
30 Bibliography

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