Technical data

126
Protective Devices
Typical Tripping Characteristic MS 0,16/0,25/0,4/0,63/10A
Tripping current as a multiple of the maximum setting current,
at an ambient temperature of 20 °C, from cold state
Effect of the Ambient Temperature on the Load Capacity
Valid for Z-MS devices, 3-pole, reference ambient temperature 20°C,
permitted permanent load at ambient temperature T [°C] with n devices:
I
L
(T) = I
n
K
T
(T)
Load Capacity in Case of Block Installation
Permitted permanent load at ambient temperature T [°C] with n devices:
I
DL
(T,n) = I
n
K
T
(T) K
n
(
n
)
Typical Tripping Characteristic MS 1/1,6/2,5/4/6,3/16/25/40A
Tripping current as a multiple of the maximum setting current,
at an ambient temperature of 20 °C, from cold state
Defined non-tripping current
Defined tripping current
Defined non-tripping current
Defined tripping current
thermal setting current
max. thermal setting current
thermal setting current
max. thermal setting current
Ambient temperature T [°C]
Load capacity K
T
[I/In]
Number of devices (n) 1-pole
Load capacity factor K
N