{"id":386711,"date":"2024-10-20T03:36:41","date_gmt":"2024-10-20T03:36:41","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-21-30445647-dc\/"},"modified":"2024-10-26T06:35:49","modified_gmt":"2024-10-26T06:35:49","slug":"bsi-21-30445647-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-21-30445647-dc\/","title":{"rendered":"BSI 21\/30445647 DC"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
11<\/td>\nFOREWORD <\/td>\n<\/tr>\n
15<\/td>\n1 Scope <\/td>\n<\/tr>\n
16<\/td>\n2 Normative references <\/td>\n<\/tr>\n
18<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
38<\/td>\n4 Equipment grouping
4.1 General
4.2 Group I <\/td>\n<\/tr>\n
39<\/td>\n4.3 Group II
4.4 Group III
4.5 Equipment for a particular explosive gas atmosphere
5 Temperatures
5.1 Environmental influences
5.1.1 Ambient temperature <\/td>\n<\/tr>\n
40<\/td>\n5.1.2 External source of heating or cooling
5.2 Service temperature, TS
1.1
5.3 Maximum surface temperature
5.3.1 Determination of maximum surface temperature <\/td>\n<\/tr>\n
41<\/td>\n5.3.2 Limitation of maximum surface temperature
5.3.2.1 Group I equipment
5.3.2.2 Group II equipment
5.3.2.3 Group III equipment
5.3.2.3.1 Maximum surface temperature for EPL Da
5.3.2.3.2 Maximum surface temperature for EPL Db <\/td>\n<\/tr>\n
42<\/td>\n5.3.2.3.3 Maximum surface temperature determined without a layer of dust for EPL Dc
5.3.3 Small component temperature for Group I or Group II electrical equipment <\/td>\n<\/tr>\n
43<\/td>\n5.3.4 Component temperature of smooth surfaces for Group I or Group II equipment <\/td>\n<\/tr>\n
44<\/td>\n6 Requirements for all equipment
6.1 General
6.2 Mechanical strength of equipment
6.3 Opening times
6.4 Circulating currents in enclosures (e.g. of large electric machines) <\/td>\n<\/tr>\n
45<\/td>\n6.5 Gasket retention
6.6 Electromagnetic and ultrasonic energy radiating equipment
6.6.1 General
6.6.2 Radio frequency sources <\/td>\n<\/tr>\n
46<\/td>\n6.6.3 Ultrasonic sources <\/td>\n<\/tr>\n
47<\/td>\n6.6.4 Optical radiation sources
7 Non-metallic enclosures and non-metallic parts of enclosures
7.1 General
7.1.1 Applicability
7.1.2 Specification of materials
7.1.2.1 General
7.1.2.2 Plastic materials <\/td>\n<\/tr>\n
48<\/td>\n7.1.2.3 Elastomers
7.1.2.4 Materials used for cementing
7.2 Thermal endurance
7.2.1 Tests for thermal endurance
7.2.2 Material selection <\/td>\n<\/tr>\n
49<\/td>\n7.2.3 Alternative qualification of elastomeric sealing O-rings
7.3 Resistance to ultraviolet light <\/td>\n<\/tr>\n
50<\/td>\n7.4 Electrostatic charges on external non-metallic materials
7.4.1 Applicability
7.4.2 Avoidance of a build-up of electrostatic charge for Group I or Group II <\/td>\n<\/tr>\n
53<\/td>\n7.4.3 Avoidance of a build-up of electrostatic charge for Group III <\/td>\n<\/tr>\n
54<\/td>\n7.5 Attached external conductive parts
8 Metallic enclosures and metallic parts of enclosures
8.1 Material composition
8.2 Group I <\/td>\n<\/tr>\n
55<\/td>\n8.3 Group II
8.4 Group III
8.5 Copper Alloys <\/td>\n<\/tr>\n
56<\/td>\n9 Fasteners
9.1 General fasteners
9.2 Special fasteners
9.3 Holes for special fasteners
9.3.1 Thread engagement
9.3.2 Tolerance and clearance <\/td>\n<\/tr>\n
57<\/td>\n9.4 Hexagon socket set screws <\/td>\n<\/tr>\n
58<\/td>\n10 Interlocking devices
11 Bushings
12 (Reserved for future use)
13 Ex Components
13.1 General
13.2 Mounting
13.3 Internal mounting
13.4 External mounting <\/td>\n<\/tr>\n
59<\/td>\n13.5 Ex Component certificate
14 Connection facilities
14.1 General
14.2 Type of Protection
14.3 Creepage and clearance
15 Connection facilities for earthing or bonding conductors
15.1 Equipment requiring earthing or bonding
15.1.1 Internal earthing
15.1.2 External bonding <\/td>\n<\/tr>\n
60<\/td>\n15.2 Equipment not requiring earthing
15.3 Size of protective earthing conductor connection
15.4 Size of equipotential bonding conductor connection
15.5 Protection against corrosion
15.6 Secureness of electrical connections <\/td>\n<\/tr>\n
61<\/td>\n15.7 Internal earth continuity plate
16 Entries into enclosures
16.1 General
16.2 Identification of entries
16.3 Cable glands <\/td>\n<\/tr>\n
62<\/td>\n16.4 Blanking elements
16.5 Thread adapters
16.6 Temperature at branching point and entry point <\/td>\n<\/tr>\n
63<\/td>\n16.7 Electrostatic charges of cable sheaths
17 Supplementary requirements for electric machines
17.1 General <\/td>\n<\/tr>\n
64<\/td>\n17.2 Ventilation
17.2.1 Ventilation openings
17.2.2 External fans
17.2.2.1 External fan hood and external ventilation screens
17.2.2.2 Fan impellors
1.1.1 Fan impellors manufactured from materials containing aluminium, magnesium, titanium, or zirconium, shall comply with Clause 8.
17.2.3 Cooling fans of rotating electric machines
17.2.3.1 Fans and fan hoods
17.2.3.2 Construction and mounting of the ventilating systems <\/td>\n<\/tr>\n
65<\/td>\n17.2.3.3 Clearances for the ventilating system
17.2.4 Auxiliary motor cooling fans
17.2.5 Room ventilating fans
17.2.5.1 Applicability
17.2.5.2 General
17.2.5.3 Fan and fan hoods
17.2.5.4 Construction and mounting <\/td>\n<\/tr>\n
66<\/td>\n17.2.5.5 Clearances for rotating parts
17.3 Bearings
18 Supplementary requirements for switchgear
18.1 Flammable dielectric
18.2 Disconnectors <\/td>\n<\/tr>\n
67<\/td>\n18.3 Group I \u2013 Provisions for locking
18.4 Doors and covers
19 Supplementary requirements for factory-wiring between enclosures <\/td>\n<\/tr>\n
68<\/td>\n1
20 Supplementary requirements for external plugs, socket outlets and connectors for field wiring connection
20.1 General
20.2 Explosive gas atmospheres
20.3 Explosive dust atmospheres
20.4 Energized plugs <\/td>\n<\/tr>\n
69<\/td>\n21 Supplementary requirements for luminaires
21.1 General
21.2 Covers for luminaires of EPL Mb, EPL Gb, or EPL Db
21.3 Covers for luminaires of EPL Gc or EPL Dc <\/td>\n<\/tr>\n
70<\/td>\n21.4 Sodium lamps
21.5 Replacement lamps
22 Supplementary requirements for caplights and handlights
22.1 Group I caplights
22.2 Group II and Group III caplights and handlights \u2003
23 Equipment incorporating cells and batteries
23.1 General
23.2 Interconnection of cells to form batteries <\/td>\n<\/tr>\n
71<\/td>\n23.3 Cell types <\/td>\n<\/tr>\n
73<\/td>\n23.4 Cells in a battery
23.5 Ratings of batteries
23.6 Interchangeability
23.7 Charging of primary batteries
23.8 Leakage
23.9 Connections
23.10 Orientation <\/td>\n<\/tr>\n
74<\/td>\n23.11 Replacement of cells or batteries
23.12 Replaceable battery pack
24 Documentation
24.1 Schedule drawings
24.2 Related drawings
25 Compliance of prototype or sample with documents
26 Type tests
26.1 General <\/td>\n<\/tr>\n
75<\/td>\n26.2 Test configuration
26.3 Tests in explosive test mixtures
26.4 Tests of enclosures
26.4.1 Order of tests
26.4.1.1 Metallic enclosures, metallic parts of enclosures and glass or ceramic parts of enclosures
26.4.1.2 Non-metallic enclosures or non-metallic parts of enclosures
26.4.1.2.1 General
26.4.1.2.2 Group I equipment <\/td>\n<\/tr>\n
76<\/td>\n26.4.1.2.3 Group II and Group III equipment <\/td>\n<\/tr>\n
77<\/td>\n26.4.2 Resistance to impact <\/td>\n<\/tr>\n
80<\/td>\n26.4.3 Drop test
26.4.4 Acceptance criteria
26.4.5 Degree of protection (IP) by enclosures
26.4.5.1 Test procedure <\/td>\n<\/tr>\n
81<\/td>\n26.4.5.2 Acceptance criteria
26.5 Thermal tests
26.5.1 Temperature measurement
26.5.1.1 General <\/td>\n<\/tr>\n
82<\/td>\n26.5.1.2 Service temperature, TS,
26.5.1.3 Maximum surface temperature <\/td>\n<\/tr>\n
84<\/td>\n26.5.2 Thermal shock test
26.5.3 Small component ignition test (Group I and Group II)
26.5.3.1 General
26.5.3.2 Procedure <\/td>\n<\/tr>\n
85<\/td>\n26.5.3.3 Acceptance criteria
26.6 Torque test for bushings
26.6.1 Test procedure
26.6.2 Acceptance criteria
26.7 Non-metallic enclosures or non-metallic parts of enclosures
26.7.1 General <\/td>\n<\/tr>\n
86<\/td>\n26.7.2 Test temperatures
26.8 Thermal endurance to heat <\/td>\n<\/tr>\n
87<\/td>\n26.9 Thermal endurance to cold
26.10 Resistance to UV light
26.10.1 General <\/td>\n<\/tr>\n
88<\/td>\n26.10.2 Light exposure
26.10.3 Acceptance criteria
26.11 Resistance to chemical agents for Group I equipment <\/td>\n<\/tr>\n
89<\/td>\n26.12 Earth continuity <\/td>\n<\/tr>\n
90<\/td>\n26.13 Surface resistance test of parts of enclosures of non-metallic materials <\/td>\n<\/tr>\n
91<\/td>\n26.14 Measurement of capacitance
26.14.1 General
26.14.2 Test procedure <\/td>\n<\/tr>\n
92<\/td>\n26.15 Verification of ratings of ventilating fans
26.16 Alternative qualification of elastomeric sealing O-rings
26.17 Transferred charge test
26.17.1 Test equipment <\/td>\n<\/tr>\n
93<\/td>\n26.17.2 Test sample
26.17.3 Test procedure <\/td>\n<\/tr>\n
94<\/td>\n27 Routine tests <\/td>\n<\/tr>\n
95<\/td>\n28 Manufacturer’s responsibility
28.1 Conformity with the Schedule Drawings
28.2 Certificate
28.3 Responsibility for marking
29 Marking
29.1 Applicability
29.2 Location
29.3 General <\/td>\n<\/tr>\n
96<\/td>\n29.4 Ex marking for explosive gas atmospheres <\/td>\n<\/tr>\n
99<\/td>\n29.5 Ex marking for explosive dust atmospheres <\/td>\n<\/tr>\n
101<\/td>\n29.6 Combined types (or levels) of protection
29.7 Multiple types of protection <\/td>\n<\/tr>\n
102<\/td>\n29.8 Ga equipment using two independent Gb types (or levels) of protection
29.9 Boundary wall
29.10 Ex Components <\/td>\n<\/tr>\n
103<\/td>\n29.11 Small Ex Equipment and small Ex Components
29.12 Extremely small Ex Equipment and extremely small Ex Components
29.13 Alternative marking of Ex Equipment and Ex Components using digital technology
29.14 Warning markings <\/td>\n<\/tr>\n
104<\/td>\n29.15 Cells and batteries
29.16 Electric machines supplied by a converter <\/td>\n<\/tr>\n
105<\/td>\n29.17 Examples of marking1F <\/td>\n<\/tr>\n
108<\/td>\n30 Instructions
30.1 General <\/td>\n<\/tr>\n
109<\/td>\n30.2 Cells and batteries <\/td>\n<\/tr>\n
110<\/td>\n30.3 Electric machines <\/td>\n<\/tr>\n
111<\/td>\n30.4 Ventilating fans
30.5 Cable glands <\/td>\n<\/tr>\n
112<\/td>\nAnnex A (normative) Supplementary requirements for cable glands
A.1 General
A.2 Constructional requirements
A.2.1 Cable sealing <\/td>\n<\/tr>\n
113<\/td>\nA.2.2 Filling compounds
A.2.3 Clamping
A.2.3.1 General
A.2.3.2 Group II or III cable glands <\/td>\n<\/tr>\n
114<\/td>\nA.2.4 Lead-in of cable
A.2.4.1 Sharp edges
A.2.4.2 Point of entry
A.2.5 Release by a tool
A.2.6 Fixing
A.2.7 Degree of protection (IP) rating <\/td>\n<\/tr>\n
115<\/td>\nA.3 Type tests
A.3.1 Tests of clamping of non-armoured and braided cables
A.3.1.1 Cable glands with clamping by the sealing ring <\/td>\n<\/tr>\n
116<\/td>\nA.3.1.2 Cable glands with clamping by filling compound <\/td>\n<\/tr>\n
117<\/td>\nA.3.1.3 Cable glands with clamping by means of a clamping device
A.3.1.4 Clamping test
A.3.1.5 Mechanical strength <\/td>\n<\/tr>\n
118<\/td>\nA.3.2 Tests of clamping of armoured cables
A.3.2.1 Tests of clamping where the armourings are clamped by a device integral to the gland
A.3.2.1.1 General
A.3.2.1.2 Clamping test
A.3.2.1.3 Mechanical strength
A.3.2.2 Tests of clamping where the armourings are not clamped by a device integral to the gland <\/td>\n<\/tr>\n
119<\/td>\nA.3.3 Type test for resistance to impact <\/td>\n<\/tr>\n
120<\/td>\nA.3.4 Test for degree of protection (IP) rating of cable glands
A.4 Marking
A.4.1 Marking of cable glands
A.4.2 Identification of cable-sealing rings <\/td>\n<\/tr>\n
121<\/td>\nA.5 Instructions <\/td>\n<\/tr>\n
122<\/td>\nAnnex B (normative) Requirements for Ex Components <\/td>\n<\/tr>\n
125<\/td>\nAnnex C (informative) Example of rig for resistance to impact test <\/td>\n<\/tr>\n
126<\/td>\nAnnex D (informative) Electric machines supplied by a converter <\/td>\n<\/tr>\n
127<\/td>\nAnnex E (informative) Temperature evaluation of electric machines <\/td>\n<\/tr>\n
130<\/td>\nAnnex F (informative) Guidance flowchart for tests of non-metallic enclosures or non-metallic parts of enclosures (26.4) <\/td>\n<\/tr>\n
131<\/td>\nAnnex G (informative) Guidance flowchart for tests of cable glands <\/td>\n<\/tr>\n
132<\/td>\nAnnex H (informative) Shaft voltages resulting in motor bearing or shaft brush sparking Discharge energy calculation
H.1 General
H.2 Assessment of the risk of ignition using ignition energy calculation <\/td>\n<\/tr>\n
133<\/td>\nH.3 Shaft voltage determination for a rotating machine <\/td>\n<\/tr>\n
134<\/td>\nH.4 Capacitance \u201cC\u201d calculation for a rotating machine <\/td>\n<\/tr>\n
136<\/td>\nH.5 Energy \u201cE\u201d calculation for a rotating machine
H.6 Assessment using reference curves <\/td>\n<\/tr>\n
138<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

BS EN 60079-0. Explosive atmospheres – Part 0. Equipment. General requirements<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n140<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":386721,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[551,2641],"product_tag":[],"class_list":{"0":"post-386711","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-260-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/386711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/386721"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=386711"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=386711"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=386711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}