Electrical Connections; Plant Requirements - Emerson Keystone EPI2 63 Installation, Operation And Maintenance Manual

Installation, Operation and Maintenance Manual
MAN-10-04-100-0711-EN Rev. 0
4.7

Electrical Connections

Before powering the actuator, check that the supply voltage details on the nameplate
are correct for the plant. Access to terminals for electrical connections is through the
terminal cover.
!
After electrical on-field installation, please make sure all removal of the cover assembly is
done in total observance of the applicable safety rules. All the accessories (cable glands
in particular) must be certified according to the requirements of the installation area and
the relevant applicable regulations. Setting must be done while the actuator is powered
on. As a consequence, all setting operations must be carried out by specifically qualified
personnel for operations on powered electronic cards.
4.8

Plant Requirements

Protection devices (over-current breakers, magneto-thermal switches or fuses) must be
provided by the customer to protect the main lines in case of motor over-current or loss of
insulation between phases and earth.
NOTE
The following circuit breakers were identified on the basis of the actuator technical features:
—
—
It is the plant engineer's or installer's responsibility to select the most appropriate
electric protection.
NOTE
For actuators certified according to CSA standards the field connections shall be done
with certified crimp-on ring terminals.
Installation
WARNING
Reference: IEC EN 60947-2
Characteristic: K
Section 4: Installation
October 2020
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