Explosion Protection · EN 60079-11 IEC 60079-11 UL 60079-11 Class I, Div. 1 Measuring and control...
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UL/FM ATEX/IEC TÜV 10 ATEX 2539 X Group II 4 II (3)G Conditions in Hazardous Areas (ATEX 94/9/EG) [Ex ia] IIB T4 1 0044 Conditions Marking Equipment can be used without restriction – Observe special operating conditions X Ex component with part certificate cannot be used alone; CE conformity is only certified after installation in complete equipment U Associa- ted equip- ment [ ] Use outside hazardous area, effective in Ex area EN 60079-0 (2006) [Ex ib] IIB EN 60079-0 (starting from Edition 5.0) [Ex ib Ga] IIB Equip- ment Use within hazardous area EN 60079-0 (2006) Ex ib IIB T4 EN 60079-0 (starting from Edition 5.0) Ex ib IIB T4 Ga Flamma- ble sub- stances Class Division Group Zone Temporary behavior of the flammable sub- stance in Ex area Gases, vapors, liquids Class I 1 A, B, C, D 0 or 1 Permanently, for long periods, frequently Occasionally 2 A, B, C, D 2 Normally not, only for a short period Dust Class II 1 E, F, G 20 or 21 Permanently, for long periods, frequently Occasionally 2 E, F 22 Normally not, only for a short period Fibers Class III 1 – 20 or 21 Constantly Occasionally 2 – 22 Normally not, only for a short period Gas ignition temperatures Ammonia 630°C Methane 595°C Hydrogen 560°C Propane 470°C Ethylene 425°C Butane 365°C Acetylene 305°C Cyclohexane 259°C Diethyl ether 170°C Carbon disulfide 95°C Gas Ignition Temperatures Ammonia 630°C Methane 595°C Hydrogen 560°C Propane 470°C Ethylene 425°C Butane 365°C Acetylene 305°C Cyclohexane 259°C Diethyl ether 170°C Carbon disulfide 95°C Year “ATmosphère EXplosible” EC directive Approval number Group A: Acetylene, B: Hydrogen, C: Ethylene, D: Propane Group E: Metal dust, F: Coal dust, G: Grain dust Gas Conditions Group I Methane Mines susceptible to firedamp (coal mining) 150°C With deposits of coal dust on the operating equipment 450°C Without deposits of coal dust on the operating equipment Ex mark per Directive 94/9/EG (ATEX) Associa- ted equip- ment [ ] Use outside hazardous area, effective in Ex area ANSI/ISA 60079-0 [AEx ib] IIB Equip- ment Use within hazardous area ANSI/ISA 60079-0 AEx ib IIB T6 Flammable substances Temporary behavior of the flammable substance in Ex areas Classification of the hazardous area Gases, vapors, liquids Permanently, for long periods, frequently Zone 0 Occasionally Zone 1 Normally not, only for a short period Zone 2 Passive Components Energy Storing Devices Energy Sources* Pt100 Capacitor Thermocouple Switch Coil Photo cells Distribution boxes * Requirements U 1 1.5 V; I 1 100 mA; P 1 25 mW Resistors Values must be exactly defined and considered when determining overall system safety Flammable substances Temporary behavior of flammable substances Classification of ha- zardous areas Required marking for equipment to be used per CENELEC IEC 600079-0 (starting from Edition 5.0) Device Group Category Equipm. Protect. Level (EPL) Gases, vapors, liquids Permanently, for long periods, frequently Zone 0 II 1G, (1)G Ga, [Ga] Occasionally Zone 1 II 2G, (2)G Gb, [Gb] Normally not, only for a short period Zone 2 II 3G, (3)G Gc, [Gc] Dust Permanently, for long periods, frequently Zone 20 II III (IEC 60079-0, starting from Edition 5.0) 1D, (1)D Da, [Da] Occasionally Zone 21 II III (IEC 60079-0, starting from Edition 5.0) 2D, (2)D Db, [Db] Normally not, only for a short period Zone 22 II III (IEC 60079-0, starting from Edition 5.0) 3D, (3)D Dc, [Dc] Methane, coal dust Constantly Coal mining I M1 Ma Methane, coal dust Frequently Coal mining I M2 Mb CENELEC Marking Typical Gas Ignition Energy/ µJ I II A II B II C Methane Propane Ethylene Hydrogen 280 > 180 60 ... 180 > 40 CENELEC Marking Typical Gas Ignition Energy/ µJ I II A II B II C Methane Propane Ethylene Hydrogen 280 > 180 60 ... 180 > 40 IEC 60079-0 (starting from Edition 5.0) CENELEC Marking Typical dusts III A III B III C Flammable lint Non-conducting dust Conducting dust US marking Protection type for electrical equipment in gas explosive hazardous areas Protection principle Zone Standard Class/Zone Application EN IEC UL o Oil encapsulation Exclusion of the Ex atmosphere 1 or 2 EN 60079-6 IEC 60079-6 UL 60079-6 Class I, Zone 1 Transformers, starting resistors, switching devices q Sand encapsulation Spark prevention 1 or 2 EN 60079-5 IEC 60079-5 UL 60079-5 Transformers, relays, safety fuses, switches ma mb Molded encapsulation Exclusion of the Ex atmosphere 0, 1, 2 1, 2 EN 60079-18 IEC 60079-18 UL 60079-18 Relays, sensors, solenoid valves px py pz Pressure encapsulation Exclusion of the Ex atmosphere 0, 1, 2 1, 2 2 EN 60079-2 IEC 60079-2 ISA 60079-2 Class I, Div. 1/2 Switch and control cabinets d Pressure-tight encapsulation Propagation prevention 1 or 2 EN 60079-1 IEC 60079-1 UL 60079-1 Switch and command systems, heating equipment, lights e Increased safety Spark prevention 1 or 2 EN 60079-7 IEC 60079-7 UL 60079-7 Class I, Zone 1 Junction and connection boxes, housings, terminal blocks ia ib ic Intrinsic safety Ignition energy limitation 0, 1, 2 1, 2 2 EN 60079-11 IEC 60079-11 UL 60079-11 Class I, Div. 1 Measuring and control technology, sensors, actuators EN 60079-25 IEC 60079-25 UL 60079-25 Intrinsically safe systems EN 60079-27 IEC 60079-27 UL 60079-27 Intrinsically safe fieldbus systems (FISCO) nA Non-sparking equipment Comparable with Ex e 2 EN 60079-15 IEC 60079-15 UL 60079-15 Class I, Zone 2 Approved for Zone 2 nC Sparking equipment Comparable with Ex d 2 nR Vapor-proof equipment Protection by housing 2 op is op pr op sh Optical radiation Intrinsically safe Protected Locked 1 2 3 EN 60079-28 IEC 60079-28 UL 60079-28 Optoelectronic devices Protection type for electrical equipment in areas with flammable dust Protection principle Zone Standard Class/Zone Application EN IEC UL tD Protection by housing Exclusion of the Ex atmosphere 21 or 22 EN 61241-1 IEC 61241-1 Class II, Div. 1 Junction and connection boxes, switching devices and switchgear units, lights iaD, ibD Intrinsic safety Energy limitation of sparks and temperatures 20, 21 or 22 EN 61241-11 IEC 61241-11 UL 913 Class II, Div. 1 Measuring and control technology, sensors, actuators pD Pressure encapsulation Exclusion of the Ex atmosphere 21 or 22 EN 61241-4 IEC 61241-4 NFPA 496 Class II, Div. 1/2 Switch and control cabinets, motors maD, mbD Molded encapsulation Exclusion of the Ex atmosphere 20, 21 or 22 EN 61241-18 IEC 61241-18 Command, signaling and display devices, sensors Protection Type Category 1G Use in a defined area (1)G Use outside hazardous area, effective up to the described area Gas Conditions Group I Methane Mines susceptible to firedamp (coal mining) 150°C With deposits of coal dust on the operating equipment 450°C Without deposits of coal dust on the operating equipment ID No. Notified Body/Official Testing Agency (Examples) Country 0044 TÜV Nord Germany 0102 PTB Germany 0158 EXAM Germany 0637 IBExU Germany 0080 INERIS France 0081 LCIE France 0344 KEMA Netherlands 0402 SP Sweden 0163 LOM Spain 0600 EECS (BASEEFA) UK 0518 SCS UK www.wago.com Please find additional information at Ex Marking acc. to Standard (Example) Dust Group Gas Group / Ignition Energy Permissible Surface Temperature per IEC 505 Protection Type Intrinsic Safety, Simple Electrical Equipment Conditions in Ex Areas Ex Marking acc. to Standard Gas Group / Ignition Energy Conditions in Hazardous Areas, USA Permissible Surface Temperature per IEC 505 / NEC 500 Protection Type 0888-0145/0006-3601 Ex-Poster 04/2011-01 DE + GB · Printed in Germany · Subject to design changes UL/FM Group II ATEX/IEC Explosion Protection – Real Progress in Safety Class/Zone Categorization Class/Division Categorization EC Type Examination Certificate Additional Conditions T1=450°C T2=300°C T3=200°C T4=135°C T5=100°C T6 = 85°C T1=450°C T2=300°C T3=200°C T4=135°C T5=100°C T6 = 85°C T2A = 280°C T2B = 260°C T2C = 230°C T2D = 215°C T3A = 180°C T3B = 165°C T4A = 120°C T3C = 160°C
Transcript of Explosion Protection · EN 60079-11 IEC 60079-11 UL 60079-11 Class I, Div. 1 Measuring and control...
UL/FM
ATEX/IEC TÜV 10 ATEX 2539 X
Group II
4 II (3)G
Conditions in Hazardous Areas (ATEX 94/9/EG)
Class I Zone 1 AEx ib IIB T 4
[Ex ia] IIB T4
Class I Division 2 Group A, B, C, D T 4A
1 0044
Conditions Marking
Equipment can be used without restriction
–
Observe special operating conditions
X
Ex component with part certificate cannot be used alone; CE conformity is only certified after installation in complete equipment
U
Associa-ted equip-ment [ ]
Use outside hazardous area, effective in Ex area
EN 60079-0 (2006)
[Ex ib] IIB
EN 60079-0 (starting from Edition 5.0)
[Ex ib Ga] IIB
Equip-ment
Use within hazardous area
EN 60079-0 (2006)
Ex ib IIB T4
EN 60079-0 (starting from Edition 5.0)
Ex ib IIB T4 Ga
Flamma-ble sub-stances
Class Division Group Zone Temporary behavior of the flammable sub-stance in Ex area
Gases, vapors, liquids
Class I 1 A, B, C, D 0 or 1 Permanently, for long periods, frequently Occasionally
2 A, B, C, D 2 Normally not, only for a short period
Dust Class II 1 E, F, G 20 or 21 Permanently, for long periods, frequently Occasionally
2 E, F 22 Normally not, only for a short period
Fibers Class III 1 – 20 or 21 Constantly
Occasionally
2 – 22 Normally not, only for a short period
Gas ignition temperatures
Ammonia 630°C
Methane 595°C
Hydrogen 560°C
Propane 470°C
Ethylene 425°C
Butane 365°C
Acetylene 305°C
Cyclohexane 259°C
Diethyl ether 170°C
Carbon disulfide 95°C
Gas Ignition Temperatures
Ammonia 630°C
Methane 595°C
Hydrogen 560°C
Propane 470°C
Ethylene 425°C
Butane 365°C
Acetylene 305°C
Cyclohexane 259°C
Diethyl ether 170°C
Carbon disulfide 95°C
Year “ATmosphère EXplosible” EC directive
Approval number
Group A: Acetylene, B: Hydrogen, C: Ethylene, D: Propane Group E: Metal dust, F: Coal dust, G: Grain dust
Gas Conditions Group I
Methane Mines susceptible to firedamp (coal mining)
150°C With deposits of coal dust on the operating equipment
450°C Without deposits of coal dust on the operating equipment
Ex mark per Directive 94/9/EG (ATEX)
Associa-ted equip-ment [ ]
Use outside hazardous area, effective in Ex area
ANSI/ISA 60079-0 [AEx ib] IIB
Equip-ment
Use within hazardous area
ANSI/ISA 60079-0 AEx ib IIB T6
Flammable substances
Temporary behavior of the flammable substance in Ex areas
Classification of the hazardous area
Gases, vapors, liquids
Permanently, for long periods, frequently
Zone 0
Occasionally Zone 1
Normally not, only for a short period
Zone 2
Passive Components Energy Storing Devices Energy Sources*
Pt100 Capacitor Thermocouple
Switch Coil Photo cells
Distribution boxes
* RequirementsU 1 1.5 V; I 1 100 mA; P 1 25 mW
Resistors Values must be exactly defined and considered when determining overall system safety
Flammable substances
Temporary behavior of flammable substances
Classification of ha-zardous areas
Required marking for equipment to be used per CENELEC
IEC 600079-0 (starting from Edition 5.0)
Device Group Category Equipm. Protect. Level (EPL)
Gases, vapors, liquids
Permanently, for long periods, frequently
Zone 0 II 1G, (1)G Ga, [Ga]
Occasionally Zone 1 II 2G, (2)G Gb, [Gb]
Normally not, only for a short period
Zone 2 II 3G, (3)G Gc, [Gc]
Dust Permanently, for long periods, frequently
Zone 20 II III (IEC 60079-0,starting from Edition 5.0)
1D, (1)D Da, [Da]
Occasionally Zone 21 II III (IEC 60079-0,starting from Edition 5.0)
2D, (2)D Db, [Db]
Normally not, only for a short period
Zone 22 II III (IEC 60079-0,starting from Edition 5.0)
3D, (3)D Dc, [Dc]
Methane, coal dust
Constantly Coal mining I M1 Ma
Methane, coal dust
Frequently Coal mining I M2 Mb
CENELEC Marking
Typical Gas
Ignition Energy/µJ
I II A II B II C
Methane Propane Ethylene Hydrogen
280> 180 60 ... 180 > 40
CENELEC Marking
Typical Gas
Ignition Energy/µJ
I II A II B II C
Methane Propane Ethylene Hydrogen
280> 180 60 ... 180 > 40
IEC 60079-0 (starting from Edition 5.0) CENELEC Marking
Typical dusts
III A III B III C
Flammable lint Non-conducting dust Conducting dust
US marking
Protection type for electrical equipment in gas explosive hazardous areas
Protection principle Zone Standard Class/Zone Application
EN IEC UL
o Oil encapsulation Exclusion of the Ex atmosphere 1 or 2 EN 60079-6 IEC 60079-6 UL 60079-6
Class I, Zone 1
Transformers, starting resistors, switching devices
q Sand encapsulation Spark prevention 1 or 2 EN 60079-5 IEC 60079-5 UL 60079-5 Transformers, relays, safety fuses, switches
ma mb Molded encapsulation Exclusion of the Ex atmosphere 0, 1, 2
1, 2 EN 60079-18 IEC 60079-18 UL 60079-18 Relays, sensors, solenoid valves
px py pz
Pressure encapsulation Exclusion of the Ex atmosphere 0, 1, 2 1, 2 2
EN 60079-2 IEC 60079-2 ISA 60079-2 Class I, Div. 1/2 Switch and control cabinets
d Pressure-tight encapsulation Propagation prevention 1 or 2 EN 60079-1 IEC 60079-1 UL 60079-1 Switch and command systems, heating equipment, lights
e Increased safety Spark prevention 1 or 2 EN 60079-7 IEC 60079-7 UL 60079-7 Class I, Zone 1 Junction and connection boxes, housings, terminal blocks
ia ib ic
Intrinsic safety Ignition energy limitation
0, 1, 2 1, 2 2
EN 60079-11 IEC 60079-11 UL 60079-11 Class I, Div. 1 Measuring and control technology, sensors, actuators
EN 60079-25 IEC 60079-25 UL 60079-25 Intrinsically safe systems
EN 60079-27 IEC 60079-27 UL 60079-27 Intrinsically safe fieldbus systems (FISCO)
nA Non-sparking equipment Comparable with Ex e 2
EN 60079-15 IEC 60079-15 UL 60079-15 Class I, Zone 2 Approved for Zone 2 nC Sparking equipment Comparable with Ex d 2
nR Vapor-proof equipment Protection by housing 2
op is op pr op sh
Optical radiation Intrinsically safe Protected Locked
123
EN 60079-28 IEC 60079-28 UL 60079-28 Optoelectronic devices
Protection type for electrical equipment in areas with flammable dust Protection principle
Zone Standard Class/Zone Application
EN IEC UL
tD Protection by housing Exclusion of the Ex atmosphere 21 or 22 EN 61241-1 IEC 61241-1 Class II, Div. 1 Junction and connection boxes, switching devices and switchgear units, lights
iaD, ibD Intrinsic safety Energy limitation of sparks and temperatures 20, 21 or 22 EN 61241-11 IEC 61241-11 UL 913 Class II, Div. 1 Measuring and control technology, sensors,
actuators
pD Pressure encapsulation Exclusion of the Ex atmosphere 21 or 22 EN 61241-4 IEC 61241-4 NFPA 496 Class II, Div. 1/2 Switch and control cabinets, motors
maD, mbD Molded encapsulation Exclusion of the Ex atmosphere 20, 21 or 22 EN 61241-18 IEC 61241-18 Command, signaling and display devices, sensors
Protection Type
Category
1G Use in a defined area
(1)G Use outside hazardous area, effective up to the described area
Gas Conditions Group I
Methane Mines susceptible to firedamp (coal mining)
150°C With deposits of coal dust on the operating equipment
450°C Without deposits of coal dust on the operating equipment
ID No. Notified Body/Official Testing Agency (Examples)
Country
0044 TÜV Nord Germany 0102 PTB Germany 0158 EXAM Germany 0637 IBExU Germany 0080 INERIS France 0081 LCIE France 0344 KEMA Netherlands 0402 SP Sweden 0163 LOM Spain 0600 EECS (BASEEFA) UK 0518 SCS UK
www.wago.com Please find additional information at
Ex Marking acc. to Standard (Example)
Dust Group
Gas Group / Ignition Energy Permissible Surface Temperature per IEC 505
Protection Type
Intrinsic Safety, Simple Electrical Equipment
Conditions in Ex Areas Ex Marking acc. to Standard
Gas Group / Ignition Energy
Conditions in Hazardous Areas, USA Permissible Surface Temperature per IEC 505 / NEC 500
Protection Type
0888
-014
5/00
06-3
601
Ex-P
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2011
-01
DE +
GB
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Ger
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Sub
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UL/FM
Group II
ATEX/IEC
Explosion Protection – Real Progress in Safety
Class/Zone Categorization Class/Division Categorization
EC Type Examination Certificate Additional Conditions
T 1 = 450°C
T 2 = 300°C
T 3 = 200°C
T 4 = 135°C
T 5 = 100°C T 6 = 85°C
T 1 = 450°C
T 2 = 300°C
T 3 = 200°C
T 4 = 135°C
T 5 = 100°C T 6 = 85°C
T2A = 280°C T2B = 260°C T2C = 230°C T2D = 215°C T3A = 180°C T3B = 165°C
T4A = 120°C T3C = 160°C
