2.3.
United States Approval
Approval details for the 64060625/30538111 intrinsically safe battery pack, when installed
according to United States requirements, are listed in this section. The U.S. safety approvals are
based upon entity values.
The 64060625 battery pack has been evaluated and approved as FM19US0149.
The 30538111 battery pack has been evaluated and approved as FM19US0232.
The approved intrinsically safe entity parameters and non-incendive field wiring parameters for the
U.S. are listed in Table 2-2 .
2-2
METTLER TOLEDO NiMH Battery Pack Installation/Technical Manual
Standard
EN60079-11
IEC 60079-0 : Edition: 6
IEC 60079-11 : Edition: 6
Table 2-2: DC Power Entity Parameters - U.S.
Entity Parameters for U.S.
Approval,64060625
V
oc
I
sc
P
o
C
a
L
a
Description
Electrical apparatus for potentially explosive atmospheres - Part 11:
Equipment protection by intrinsic safety "i".
Explosive atmospheres – Part 0: Equipment – General Requirements
Explosive atmospheres – Part 11: Equipment protection by intrinsic
safety "I"
Entity Parameters for U.S. Approval,
12.0 VDC
3.03 A
6.83 W
1.41 µF
8.7 µH
30538111
V
12.4 VDC
oc
I
2.78 A
sc
P
6.07 W
o
C
1.24 µF
a
L
10.3 µH
a
64062816
|
09
Date
2012
2007
2006
|
05/2021