Insulation class explanantion

Insulation class explanantion

1. 10K
10K
15K
80K
105K
125K
40°C 40°C 40°C
Permissible temperature rise
Hotspot temperature margin
Insulation class B F H
Maximum winding temperature 130°C 155°C 180°C
0
40
120
130
155
145
165
180
°C
-20
Maximum ambient temperature Minimum ambient temperature
-30
(Minimum ambient temperature)
10K
105K
40°C
class F/B
155°C
80K
25K Safety margin
150°C PTCs setting
-2 °C0 -2 °C0 -2 °C0
www.regalbeloit.eu Regal Beloit BV, Mors 2, 7150 AA Eibergen, The Netherlands
-2 °C0
Permissible temperature rise
IEC Electric Motors - Insulation Class Explanation