NORD Drivesystems BU0200 - Manual (Page 127)

SK 200E Manual for frequency inverters
126 Subject to technical alterations BU 0200 GB-4411
3.5.9 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 500V U
Nom
.
• Maintenance switch for AC supply networks
1~100-240V or.3~ 200-500V, 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 3.5.1.3).
The front-mounted LEDs L1 ... L3 indicate the presence of a
voltage at the output side of the switch.
NOTE
The use of SK TU4-MSW / SK TI4-TU-MSW on SK 2xxE, size 4 is not permitted!
The maintenance switch is only approved for frequency inverters of size 1 to 3 (230V / 4kW
or 400V / 7.5kW) and compliance with the maximum rated current (16A).