Page 23 - In-line-II-Vertical-Strips
P. 23
INTRODUCTION 23
—
Technical data
Derating tables
01
InLine II is a technically reliable and proven solution for demanding conditions
—
Ambient temperatures for switches
The working ambient temperatures for the general range lays in between -25°C up to 40°C, considering no
derating to be applied. The InLine II Cu+ range can withstand ambient temperatures up to 55°C without derating.
Derating table for general range
Ambient temperature in °C Ith % of nominal current Ith % of nominal current with EFM
40* 100 100
45 95 92
50 90 84
55 85 75
60 80 66
65 75 56
70 69 44
75 63 29
*The ambient air temperature must not exceed 40 °C and its average over a period of 24h must not exceed 35 °C
—
Derating table for general range for InLine II Cu+
Ith % of nominal current for
Ambient temperature in °C Ith % of nominal current BZH1600A-S-T-3P-MB
55* 100 94
60 95 89
65 90 83
70 85 76
75 80 70
*The ambient air temperature must not exceed 55°C and its average over a period of 24h must not exceed 50°C