Commissioning
SIMATIC - EM 300 Motor Starters
GWA-4NEB 640070302-05
3-3
3.1.2
Operation
If overload release trips
After an overload release trip during operation you must reset the circuit-
breaker.
Disconnecting a load from the power system
You can disconnect a load from the electrical power system by resetting the
toggle switch on the circuit-breaker from 1 to 0.
Safeguard against accidental opening/unauthorized switching on
You can seal the transparent cover of the motor starter in order to safeguard it
against accidental opening, for example in order to prevent the overload release
current from being altered inadvertently.
You can prevent the motor starter from being switched on by unauthorized per-
sons, by fitting the actuating element of the circuit-breaker with a safety lock.
Step
Procedure
1
Open the transparent cover in the top section of the motor starter.
2
Reset toggle switch from 0 to 1.
3
Check whether any switching contacts have been damaged as a result of
a short-circuit.
Summary of Contents for SIMATIC EM 300
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Page 46: ...Hand held Controller SIMATIC EM 300 Motor Starters 4 6 GWA 4NEB 640070302 05 ...
Page 58: ...SIGUARD Safety Integrated SIMATIC EM 300 Motor Starters 6 4 GWA 4NEB 640070302 05 ...
Page 64: ...Dimension Drawings SIMATIC EM 300 Motor Starters B 2 GWA 4NEB 640070302 05 ...
Page 70: ...Selection Help SIMATIC EM 300 Motor Starters D 4 GWA 4NEB 640070302 05 ...
Page 72: ...SIMATIC EM 300 Motor Starters Index 2 GWA 4NEB 640070302 05 ...
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