Eaton Industrial Switchgear - xStart switching, protections and actuating motors

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2010 CA08103002Z-EN
Motor-protective circuit-breakers PKZM01, PKZM0, PKZM4, PKE
Motor-protective circuit-breaker for starter combinations and transformers
Notes
When using the PKM0 as short-circuit protection for
motors with heavy starting duty, a device must be
selected whose rated operational current Ie is higher
by the following factors:
CLASS 5 = 1.0
CLASS 10 = 1.0
CLASS 15 = 1.22
CLASS 20 = 1.41
CLASS 25 = 1.58
CLASS 30 = 1.73
CLASS 35 = 1.89
CLASS 40 = 2.0
Accessories Page
3 Standard auxiliary contacts ￫7/10
5 Trip-indicating auxiliary contact ￫7/12
6 Shunt release, undervoltage release ￫7/29
Additional accessories ￫2/46
Can be snap-fitted to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height
Assignment of the short-circuit protective breakers and contactors in “Fuseless motor-starter combinations” section.
An appropriate overload relay must be fitted to protect motors against overload.
3
5
6
3
Accessories Page
3 Standard auxiliary contacts ￫ 7/10
5 Trip-indicating auxiliary contact ￫ 7/12
6 Shunt release, undervoltage release ￫ 7/29
For the protection of transformers with a high inrush current
Can be snap-fitted to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height
Phase failure sensitivity to IEC/EN 60947-4-1, VDE 0660 Part 102.
3
5
6
3
7/7
PKZM0 HPL07007EN