Kes Electrical Connection - AUMA SAEx 07.2 Operation Instructions Manual

Electrical connection

6.4 KES electrical connection

Short description KES plug-in electrical connection with terminal blocks for power and control contacts.
Technical data
28
Figure 26: KES electrical connection
KES
Ex e
Ex d
[1] Terminal blocks
The KES electrical connection is available with terminal compartment in protection
type Ex e (increased safety) as well as in protection type Ex d (flameproof enclosure).
The protection type is indicated on the name plate by means of the Ex marking. Refer
to Name plate [} 8].
Plug-in connection is made via the connection frame. Removing the cover is sufficient
for connecting the cables. Thereby, the connection frame with the cable entries re-
mains at the device. The flameproof interior of the connected devices remains sealed.
Table 12: KES electrical connection
No. of contacts max.
Designations
Connection voltage max.
Nominal current max.
Type of customer connection
Connection diameter max.
[1]
[2]
Ex d
[2] Connection frame
Power contacts
3 + protective earth connection at
frame
U, V, W, (PE)
750 V
25 A
Screw connection
PE = Ring lug/U-bracket
2 2
6 mm /10 mm
KES-Ex d
Ex d
Control contacts
50
1 to 50
250 V
10 A
Cage clamp,
screw-type connection as an op-
tion
2 2
2.5 mm flexible, 4 mm solid
[1]
[2]