Connecting Incoming Mains And Protective Earth To The Controller - ABB OmniCore V250XT Type B Product Manual

3 Installation and commissioning

3.5.6 Connecting incoming mains and protective earth to the controller

3.5.6 Connecting incoming mains and protective earth to the controller
Introduction
Prerequisites
Before incoming mains is connected to the controller, the following prerequisites
must be fulfilled:
Continues on next page
84
Note
How to manufacture a cable with connector is described in section
connector for incoming mains on page
DANGER
A residual current device (RCD) must be installed. See
page 41.
Note
The controller must be installed towards a 3-phase grounded Wye electrical
configurations. The use of three phase power with delta connection voids
warranty.
Note
For UL installations, the integral solid state short circuit protection does not
provide branch circuit protection. Branch circuit protection must be provided in
accordance with the Manufacturer Instructions, National Electrical Code and any
additional local codes.
• An external circuit breaker or fuse must be installed. See
page 86.
• The cabinet must be connected to protective earth. See
protective earth on page
• A residual current device (RCD) must be installed. See
page 41.
© Copyright 2023-2023 ABB. All rights reserved.
82.
85.
Product manual - OmniCore V250XT Type B
Fitting the
Residual current on
Line fusing on
Connection of
Residual current on
3HAC087112-001 Revision: A