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Technical
Section 11
Dimensions
Section 12
4
iPRF1 12.5r/PRF1 Master/
PRD1 25r/PRD1 Master
Type 1 and 2 LV surge arresters (cont.)
Protection
Load protection
Technical data
iPRF1 12.5r PRF1 Master PRD1 25r PRD1 Master
Operating frequency 50 Hz 50/60 Hz 50 Hz 50 Hz
Degree of protection Front panel IP40 IP40 IP40 IP40
Terminals IP20 IP20 IP20 IP20
Impacts IK05 IK05 IK05 IK05
Response time y 25 ns y 1 ms y 25 ns y 100 ns
End-of-life indication Green: correct operation - White: correct operation White: correct operation
Red: at end of life - Red: at end of life Red: at end of life
Remote
notification
1.5 A/250 V AC - 1 A/250 V AC.
0.2 A/125 V DC
1 A/250 V AC.
0.2 A/125 V DC
By tunnel terminal Rigid cable 10...35 mm² 10...50 mm² 2.5...35 mm² 10...35 mm²
Flexible
cable
10...25 mm² 10...35 mm² 2.5...25 mm² 10...25 mm²
Operating temperature -25°C to +60°C -40°C to +85°C -25°C to +60°C -25°C to +60°C
Standards Type 1 IEC 61643-1 T1.
EN 61643-11 Type 1
IEC 61643-1 T1.
EN 61643-11 Type 1
IEC 61643-1 T1.
EN 61643-11 Type 1
IEC 61643-1 T1.
EN 61643-11 Type 1
Type 2 IEC 61643-1 T2.
EN 61643-11 Type 2
- IEC 61643-1 T2.
EN 61643-11 Type 2
-
Certification CE KEMAKEUR, CE KEMAKEUR, CE CE
Choice of disconnector (maximum current rating) / surge arrester
Type Iimp
:impulse
current
Isc: prospective short-circuit current at the installation point
10 kA 15 kA 25 kA 36 kA 50 kA
iPRF1 12.5r 12.5 kA C120H 80 A curve C or
NG125N 80 A curve C
NG125N 80 A curve C NG125H 80 A curve C NG125L 80 A curve C
PRF1 Master 35 kA Compact NSX160B 160 A TM Compact NSX160F
160 A
Compact NSX160N
160 A
PRD1 25r 25 kA NG125N 80 A curve C -
PRD1 Master 25 kA NG125N 80 A curve C NG125H 80 A curve C NG125L 80 A curve C