5.
Fasten cable glands and blanking plugs applying the specified torque to ensure
the required enclosure protection.
5.4.2.
KES electrical connection
Figure 37: KES electrical connection
[1]
Terminal blocks
[2]
Connection frame
Short description
KES plug-in electrical connection with terminal blocks for power and control contacts.
Cable entry via the connection frame. Cover in KES-e version for terminal
compartment in type of protection Ex e (increased safety). Cover in KES-Ex d version
for terminal compartment in type of protection Ex d (flameproof enclosure).
Plug-in connection is made via the connection frame. For cable connection, simply
remove the cover. The connection frame remains within the device. The flameproof
interior of the connected devices remains sealed.
Technical data
Table 18:
KES electrical connection
Control contacts
Power contacts
50
3 + protective earth connection at
frame
No. of contacts max.
1 to 50
U, V, W,
(PE)
Designation
250 V
750 V
Connection voltage max.
10 A
25 A
Rated current max.
Cage clamp,
screw-type connection as an op-
tion
Screw connection
PE = Ring lug/U-bracket
Type of customer connection
2.5 mm
2
flexible, 4 mm
2
solid
6 mm
2
/10 mm
2
Connection diameter max.
37
SAEx 25.1 – SAEx 40.1 / SAREx 25.1 – SAREx 30.1
ACExC 01.2
Electrical connection