Setting The Tripping Class - Eaton PKE series Handbuch

10/15 MN03402004Z-DE/EN

Setting the tripping CLASS

Figure 15:
PKE motor-protective circuit-breaker is suitable for both
normal starting and heavy starting duty. The tripping
behavior of the overload trip is defined by the set tripping
class.
• CLASS 5: easy startups
• CLASS 10: normal startups
• CLASS 15 to CLASS 20 = heavy to very heavy starting
Use the rated motor current and the tripping class to get
h
the relevant tripping characteristic a Page 62.
The switchgear is designed for CLASS 10 in normal and over-
load operation. In order to prevent the switchgear and
cables from being overloaded during heavy starting, the
switchgear's and cables' rated operational current I
must be oversized depending on the tripping class setting on
the PKE motor-protective circuit-breaker.
Description of device
a Setting dial for the tripping class
eCLASS
41