Connection of protective earth
There are two options to connect the cabinet to protective earth:
•
PE0 on front panel.
•
PE1 and PE2 on X0 (incoming mains connector).
PE0
PE1
PE2
xx2100002223
Note
All connections between the cabinet and protective earth must comply with the
local electrical requirements.
Required equipment
Note
Equipment
L1, L2, L3, PE1, PE2
Main connection cable (three-phase)
Details see
For control cables up to 15m and
mains supply voltage up to 400
VAC, a 30 mA earth fault protec-
tion can be used if it is Hager
CDH440R, CDH440D or ABB F204
B-40/0,03.
External earth fault protection (residual current circuit
breaker, Class B for frequency converters, 300mA)
32 A, Class K.
Note
For installations according to UL
requirements, use Circuit Breaker,
Type SU203M-K32, manufactured
by ABB.
External fuse or circuit breaker
See
Standard toolkit for controller
Standard toolkit
Circuit diagram - OmniCore
V250XT
,
3HAC074000-008
Circuit diagram
Continues on next page
78
Product manual - OmniCore V250XT
3HAC073447-001 Revision: B
© Copyright 2020-2022 ABB. All rights reserved.
3 Installation and commissioning
3.5.5 Connecting incoming mains and protective earth to the controller
Continued
Содержание OmniCore V250XT
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