Power Connections; Overview; Connection Cross-Sections - Siemens SINAMICS DCM Betriebsanleitung

Electrical installation

4.7 Power connections

4.7 Power connections
Swapping the input and output terminals may destroy the SINAMICS DCM.
The excitation coils of contactors and relays that are connected to the same supply network
as the device must be connected to surge suppressors, e.g.. RC elements.
4.7.1

Overview

Depending on the frame size and the required conductor cross-section, the customer
connections are designed as modular terminal blocks or for fixing terminal ends.
Table 4- 1 Customer connections
Armature circuit infeed
Connections
Infeed (3 AC)
1U1, 1V1, 1W1
Auxiliary supply infeed
Connections
Infeed (3 AC)
L1, L2, L3
Motor armature connection
Connections
Output (DC)
1C1, 1D1
Motor field terminal
Connections
Output (DC) 3C, 3D
4.7.2

Connection cross-sections

The specified connection cross-sections and tightening torques for mains connection, motor
connection and grounding can be found in the tables in Chapter Technical specifications
(Page 142) .
80
WARNING
Rated current
15 A-280 A
400 A-600 A
720 A-850 A
950 A-3,000 A
Rated current
15 A-850 A
950 A-3,000 A
Rated current
60 A-3000 A, 2Q
15 A-850 A, 4Q
950 A-3000 A, 4Q
Connection point
Terminal strip -X3 (.1, .2)
Connection point for systems
without line filter
Terminal end at the main switch
Terminal end at the main switch
Terminal end at the main switch
Customer connection terminal end Customer connection terminal end
Connection point for systems
without line filter
Terminal end at auxiliary incoming
feeder circuit breaker
Terminal strip -X1 (L1, L2, L3)
Connection point
Terminal end at the SINAMICS DCM DC Converter
Terminal end at the motor connection, DC fuse
Terminal end at the SINAMICS DCM DC Converter
Operating Instructions, 04/2015, A5E36161239/RS-AA/001
Connection point for systems with
line filter (option)
Terminal strip -X0 (L1, L2, L3)
Terminal end at the filter
Customer connection terminal end
Connection point for systems with
line filter (option)
Terminal strip -X1 (L1, L2, L3)
Terminal strip -X1 (L1, L2, L3)
SINAMICS DCM Cabinet