Installation; Installation Instructions - Eaton EMT62 Manual

3 Installation

3.1 Installation instructions

3 Installation
3.1 Installation instructions
46
The notes in the current IL03407100Z (previous description AWA2327-1454)
and IL049002ZU instructional leaflets that accompany the devices must be
observed during mechanical and electrical installation of the devices.
DANGER

For explosion protection, a manual reset/switch on is only
permissible after the thermistor has cooled down or by means
of automatic switching via a control interlock to the motor or
electrical machine.
Resets may be carried out manually at the installation or by
trained personnel in the control room.
DANGER

Particularly in Ex e applications, an automatic restart must be
prevented after an interruption of the control voltage. This is
prevented safely by means of the latching function of the power
relay.
DANGER

Due to fail-safe reasons, only the N/O contact should be used to
actuate a contactor.
L1
L2
L3
N
Q11
K1
M
h
3
Figure 3: Circuit prevents automatic restart
The latching function of the Q11 contactor relay prevents an automatic
restart.
EMT6 10/16 MN03407006Z-DE/EN www.eaton.com
STOP
START
Remote
Reset
K1
A1 Y3 Y4 Y1
Q11
T1 T2 A2 Y2
Q11