xx1900001455
Description
Live (L)1
Neutral (N)2
Not used3
Not used4
Not used5
Protective Earth, groundingPE
Required equipment
NoteEquipment
L, N, PEMain connection cable (single phase)
Details see Fitting the connector
on page 70.
30 mAExternal earth fault protection (residual current device,
RCD)
See Standard toolkit for controller
on page 417.
Standard toolkit
Circuit diagram - OmniCore
C90XT, 3HAC065464-009
Circuit diagram
Line fusing
There is no integrated fuse in side OmniCore C90XT controller. An external fuse
or circuit breaker must be added by the integrator, according to the full load current
rating. See Line fusing on page 41.
Connecting the power
The following procedure describes how to connect the main power to the controller.
CAUTION
Always inspect the connector for dirt or damage before connecting it to the
controller. Clean or replace any damaged parts.
Continues on next page
74 Product manual - OmniCore C90XT
3HAC073706-001 Revision: D
© Copyright 2020-2021 ABB. All rights reserved.
3 Installation and commissioning
3.5.5 Connecting power supply to and grounding the controller
Continued
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