European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH
www.e2s.com
Tel: +44 (0)208 743 8880
Document No. D211-00-401-IS
Issue 1
20-08-22
Sheet 2 of 7
3.3. NEC & CEC Ratings
NEC & CEC Class / Division Ratings for US / Canada
Standards
UL 121201-2021 (Ed. 9)
CAN/CSA C22.2 No. 213-17 (Ed. 3)
Ratings
D2xB1LD2:
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
Standards
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"
Ratings
D2xB1LD2:
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
Standards
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"
Rating
D2xB2LD2:
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 Group, Category and
Temperature Classification
When connected to an approved system the D2XB1LD2 LED
beacon may be installed in:
Area Classification
Zone 2
Explosive gas air mixture not likely to occur in
normal operation, and if it does, it will only
exist for a short time.
Zone 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
Group IIA
Propane
Group IIB
Ethylene
Group IIC
Hydrogen and Acetylene
Temperature Classification for Gas Applications
T1
450ºC
T2
300ºC
T3
200ºC
T4
135°C
Dust Groupings
(ATEX / IECEx / UKEX only)
Group IIIA
Combustible Flyings
Group IIIB
Non-conductive Dust
Group IIIC
Conductive Dust
Maximum Surface Temperature for Dust Applications
(ATEX / IECEx / UKEX only)
D2xB1LD2:
75°C
Equipment Category
3G / 3D
Equipment Level Protection
Gc, Dc
Ambient Temperature Range
-40°C to +50°C
IP Rating
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.
Type Rating
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
