23644_EDEBD
A0258-2918-1_EN
9
Low voltage current transformers, multict KBR
Operating conditions
Ambient temperature:
-5…+40°C KBR 18S
-5…+50°C other types
Storage temperature:
-25 … +70°C
Relative humidity (excl. condensation):
5 … 95%
Operating height:
up to 2,000 m
Insulation properties
Comment:
Only for insulated
primary conductors
Rated insulation level Um
(in accordance with IEC 61010-1
under the following conditions:
- Overvoltage category III
- Contamination grade 2
- Heterogeneous electrical fi eld):
0.72/3/- kV
Insulation class:
E
Safety
Protection type:
IP20
Housing material KBR 18S, KBR 18L
KBR 28, KBR 42, KBR 42L PA66 + PA6
UL-housing classifi cation of the following types:
PA66 + PA6
UL94-V0
Housing material KBR 18; KBR 32; KBR 44:
PA6
UL housing classifi cation of the following types:
none
Connection
Conductor feed-through, primary conductor:
see table in 7.2.
Secondary cables:
see table in 7.2.
Standards met
The latest edition of the specifi ed documents
including all modifi cations apply.
EN 61869-1
EN 61869-2
IEC 61010-1
Accessories
Snap-on attachment for
DIN profi le rail
KBR 18S
Item no. 23478
KBR 18L, KBR 28
Item no. 23479
for
K
It
K
It
