Special Conditions For Safe Use - E2S D2xC2LD2 Series Instruction Manual

3.3. NEC & CEC Ratings
NEC & CEC Class / Division Ratings for US / Canada
UL 121201-2021 (Ed. 9)
CAN/CSA C22.2 No. 213-17 (Ed. 3)
D2xC2LD2 Class I Div 2 ABCD T4 Ta -40°C to +50°C
Class I Div 2 ABCD T4A Ta -40°C to +40°C
Class II Div 2 FG T6 Ta -40°C to +50°C
Class III Div 1&2 Ta -40°C to +50°C
Installation must be carried out in compliance with the National
Electric Code / Canadian Electric Code
NEC Class / Zone ratings US
UL 60079-0 (Ed. 7):
Explosive Atmospheres - part 0: Equipment - General
Requirements
UL 60079-7 (Ed. 5):
Explosive Atmospheres - Equipment Protection by Increased
Safety "e"
UL 60079-31 (Ed. 2)
Explosive Atmospheres - Equipment Dust Ignition Protection by
Enclosure "t"
D2xC2LD2 Class I Zone 2 AEx ec IIC Gc T4 Ta -40°C to
+50°C
AEx tc IIIC T75°C Dc Ta -40°C to +50°C
Installation must be carried out in compliance with the National
Electric Code.
CEC Class / Zone ratings Canada
CAN/CSA C22.2 No. 60079-0 (Ed. 4) 02/2019
Explosive Atmospheres - Part 0: Equipment - General
Requirements
CAN/CSA C22.2 No. 60079-7 (Ed. 2)
Explosive Atmospheres - Equipment Protection by Increased
Safety "e"
CAN/CSA C22.2 No. 60079-31 (Ed. 2)
Explosive Atmospheres - Equipment Dust Ignition Protection by
Enclosure "t"
D2xB1LD2 Ex ec IIC Gc X T4 Ta -40°C to +50°C
Ex tc IIIC T75°C Dc X Ta -20°C to +50°C
Installation must be carried out in compliance with the Canadian
Electric Code
4) Zones, Gas / Dust Groups and
Temperature Classification
Area Classification
Explosive gas air mixture not likely to occur in
Zone 2 normal operation, and if it does, it will only
exist for a short time.
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH
Document No. D211-00-611-IS
Standards
Ratings
Standards
Ratings
Standards
Rating
Issue 1
Zone 22
Group IIA
Group IIB
Group IIC
Temperature Classification for Gas Applications
T1
T2
T3
T4
Group IIIA
Group IIIB
Group IIIC
Maximum Surface Temperature for Dust Applications
D2xC2LD2
3G / 3D
Gc, Dc
-40°C to +50°C
IP6X to EN/IEC60079-0
IP66 to EN60529
To maintain the ingress protection rating, the two off cable entries
must be fitted with suitably rated, certified cable entry and/or
blanking devices during installation.
Per UL50E / NEMA250: 4 / 4X / 3R / 13
Installation must be carried out in compliance with the
latest issue of the following standards:
EN60079-14 / IEC60079-14: Explosive atmospheres - Electrical
installations design, selection and erection
EN60079-10-1 / IEC60079-10-1: Explosive atmospheres -
Classification of areas. Explosive gas atmospheres
EN60079-10-2 / IEC60079-10-2: Explosive atmospheres –
Classification of areas. Explosive dust atmospheres

5) Special Conditions for Safe Use

Special Condition for safe Use as stated on the Type
Examination Certificate DEMKO 14 ATEX 4786493904X / CoC
IECEx ULD 14.0004X / UL21UKEX2131X:
When used for a Group III application, the surface of the
enclosure may store electrostatic charge and become a source
of ignition in applications with a low relative humidity <~30%
20-08-22
Explosive dust air mixture not likely to occur
in normal operation, and if it does, it will only
exist for a short time.
Gas Groupings
Propane
Ethylene
Hydrogen and Acetylene
450ºC
300ºC
200ºC
135°C
Dust Groupings
(ATEX / IECEx / UKEX only)
Combustible Flyings
Non-conductive Dust
Conductive Dust
(ATEX / IECEx / UKEX only)
75°C
Equipment Category
Equipment Level Protection
Ambient Temperature Range
IP Rating
Type Rating
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