Technical Documentation
KSR-Z – Capacitor-Bank Protection Relay
Rev. 04
Page
27
/
36
4.9 Environmental Withstand
Ambient Temperature
Operating range
0°C … +70°C
Storage range
-
20°C … +85°C
Humidity
Operating range
0% to 95% without moisture
condensation
Overvoltage Category
Standards
II, pollution degree 3 (DIN VDE
0110 Teil 1 / IEC 60664-1)
Protection Class
Front
IP 52
Rear
IP 20
Housing
Case
Instrument casing
Colour
RAL 7037 dusty grey
Dimensions
H x W x D
144 x 144 x 59 mm
Cutout
138+0.5 x 138+0.5 mm
Weight
Complete case
650 g
4.10 Standards
Standards
IEC / DIN
DIN VDE 0110 Teil 1 (IEC
60664-1:1992)
VDE 0411 Teil 1 (DIN EN
61010-1 / IEC 61010-1:2001)
VDE 0843 Teil 20 (DIN EN
61326 / IEC 61326:1997 +
A1:1998 + A2:2000)