6.3. KT/KM electrical connection
Figure 18: KT/KM electrical connection
[1] Terminal carrier with screw-type/spring clamp terminals
[2] Connection frame
Figure shows KT version
Short description
KT plug-in electrical connection with screw-type terminals for power connection and
spring clamp terminals for control contacts.
KM version with additional support terminals (terminal blocks) via terminal carrier.
When using solid fieldbus cables in line topology, imperatively use support terminals.
Both versions (KT and KM) are available with terminal compartment in protection
type Ex e (increased safety) as well as in protection type Ex d (flameproof enclosure)
(refer to Ex marking on name plate).
Plug-in connection is made via the connection frame. For cable connection, simply
remove the cover. The connection frame with the cable entries remains within the
device.The flameproof interior of the connected devices remains sealed.
Technical data
Table 16:
KT/KM/KL electrical connection
Control contactsPower contacts
506 + PE conductors
1)
No. of contacts max.
1 to 36, 37 to 50
U1, V1, W1, U2, V2, W2,
Designations
123Support terminals max.
250 V1,000 VConnection voltage max.
5 A
2)
25 ARated current max.
Spring clamp terminalsScrew connection
PE = Ring lug/U-bracket
Type of customer connection
2.5 mm
2
10 mm
2
Connection diameter max.
Four protective earth connections within frame1)
The sum of the currents of all control contacts must not exceed 50 A.2)
26
SQEx 05.2 – SQEx 14.2/SQREx 05.2 – SQREx 14.2 Control unit: electronic (MWG)
Electrical connection ACExC 01.2 Non-Intrusive Profibus DP
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