Technical data

118
Protective Devices
Load Capacity
Load capacity in case of block installation Effect of ambient temperature
Permitted permanent load at ambient temperature T [°C] with n devices: I
DL
= I
n
K
T
(T)K
N
(N).
Let-through Energy
Determined according to EN 60898-1.
Maximum let-through energyPLHT, characteristic C, 1-pole Maximum let-through energyPLHT, characteristic D, 1-pole
Ambient temperature T [°C]
Load capacity K
T
[I/In]
Number of devices (n) 1-pole
Load capacity factor K
N
Prospective short-circuit current [A]
Let through energy I
2
t [A
2
sec]
Prospective short-circuit current [A]
Let through energy I
2
t [A
2
sec]