Manual

SK 180E Manual for frequency inverters
62 Pre-series version BU 0180 GB-0914
3.4.2 Maintenance switch, SK TU4-MSW-…
The maintenance switch can be looped into the mains supply cable of the frequency inverter in order to
interrupt the voltage supply to a connected frequency inverter. The maintenance switch has a 3-pole design
and can therefore be used for 1 - 3 phase AC supply networks up to 480 V U
Nom
.
• Maintenance switch for AC supply networks
1~100-240 V or 3~ 200-480 V, I
nom
16A
rms
• Status LEDs = L1, L2, L3
The SK TU4-MSW-… maintenance switch is operated in
combination with an SK TI4-TU-MSW connection unit.
Details of the control connections can be found in the
connection unit section (Section 3.4.1.2).
The front-mounted LEDs L1 ... L3 indicate the presence of a
voltage at the output side of the switch.