3.4.12 Line Power Disconnects
Frame size Power & Voltage Type
D P132–P200 380–500 V OT400U12-9 or ABB OETL-NF400A
E P250 380–500 V ABB OETL-NF600A
E P315–P400 380–500 V ABB OETL-NF800A
F P450 380–500 V Merlin Gerin NPJF36000S12AAYP
F P500–P630 380–500 V Merlin Gerin NRK36000S20AAYP
Table 3.9 Recommended Line Power Disconnects
3.4.13 F-Frame Circuit Breakers
Frame size Power & Voltage Type
F P450 380–500 V Merlin Gerin NPJF36120U31AABSCYP
F P500–P630 380–500 V Merlin Gerin NRJF36200U31AABSCYP
Table 3.10 Recommended Circuit Breakers
3.4.14 F-Frame Line Power Contactors
Frame size Power & Voltage Type
F P450–P500 380–500 V Eaton XTCE650N22A
F P560–P630 380–500 V Eaton XTCEC14P22B
Table 3.11 Recommended Contactors
3.4.15 Motor Insulation
For motor cable lengths ≤ the maximum cable length, the motor insulation ratings listed in Table 3.12 are recommended.
The peak voltage can be twice the DC link voltage or 2.8 times AC line voltage, due to transmission line effects in the motor
cable. If a motor has lower insulation rating, use a dU/dt or sine-wave filter.
Nominal AC Line Voltage Motor Insulation
U
N
≤ 420 V
Standard U
LL
= 1,300 V
420 V < U
N
≤ 500 V Reinforced U
LL
= 1,600 V
Table 3.12 Recommended Motor Insulation Ratings
Installation Instruction Manual
30 Danfoss A/S © Rev. 2014-02-07 All rights reserved. MG37A222
33
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