Product data sheet
FieldQ
FieldQ
Copyright © Emerson. The information in this document is subject to change without notice. Updated data sheets can be obtained from our website
www.emerson.com/fieldq or from your Emerson Automation Solutions - Actuation Technologies Center:
America’s:
+1 281 477 4100
Europe:
+36 22 53 0950
Asia/Pacific:
+65 67 77 8211
Hazardous area specifications
Modules QC41, QC42 and QC43
1.604.10 Rev. 0 Page 9 of 9
October 2017
Notes:
1. Each control module is marked with the applicable ambient temperature marking.
2. Metric control modules are marked with ATEX and IECEx markings.
3. Imperial control modules are marked with ATEX, IECEx, FM and CSA markings.
Temperature rating
Table 7: Temperature rating for use in areas with a potential explosion hazard.
Configuration
Temperature (°C)
Module type
Switch cartridge
Pneumatic
action
Max. Power
dissipation
Min.
ambient
Max.
ambient
Max.
Surface
Class
QC41
(24VDC)
M, G
O, C, N, H
S,D,F
3.6W
(1
-25°C (-13°F)
+60
+80
T6/T4
QC42, QC43
(115 or 230VAC)
S,D
3.6W (
1
-25°C (-13°F)
+60
+80
T6/T4
QC42, QC43
(115 or 230VAC)
F
7.2W
(2
-25°C (-13°F)
+60
+80
T6/T4
Switch cartridge
M = Mechanical switches
G = Mechanical switches (gold contacts)
C = 3 wire PNP proximity switch
O = 3 wire NPN proximity switch
N = 2 wire proximity switch
H = 2 wire proximity switch
Pneumatic action
S = Spring Return (Single acting).
D = Double acting.
F = Double acting (Fail in Last Position)
Notes:
1. 1x or 2x 24VDC pilot valves, or 1x 115/230 VAC
pilot valve
2. 2x 115 or 230 VAC pilot valves
Below specification are applicable for QC41, QC42 and QC43 modules with a hazardous area approval.
APPROVED
Hazardous area product marking;
IECEx hazardous or Classified Location:
Ex d IIB+H2 T4/T6 Gb
Ex t IIIC T80°C Db
IECEx DEK 15.0034X
ATEX hazardous or Classified Location:
1180
II 2G Ex db IIB+H2 T4/T6
II 2D Ex tb IIIC T80°C
DEKRA
15ATEX0055X
FM hazardous or Classified Location:
CL I, II, III, DIV 1
Groups BCDEFG, T4/T6, Type 4X/6
CL l, ZN 1, IIB+H2, T4/T6
CSA hazardous or Classified Location:
Class I, II, III, DIV 1
Groups CDEFG, T4/T6, Type 4X/6
Ex d IIB+H2 T4/T6
DIP A21 TA 80°C