Functions; Normal Switching Duty - Siemens SIRIUS 3RA6 System Manual

3RA61/3RA62 compact starter

5.3 Functions

5.3 Functions
5.3.1

Normal switching duty

Normal switching duty
Compact starters are used primarily for switching and protecting motors. The actuator can be
used to switch the compact starter manually; together with the other display elements, it
shows the compact starter's current status.
The actuator has three positions:
●
●
● TRIPPED: Malfunction or short circuit trip.
Actuator OFF
When the actuator is in the
of the control electronics are disconnected. Only the thermal motor model and display
elements remain in operation.
When the actuator is in the
adopt the following statuses:
Table 5- 1
Actuator
OFF
OFF
52
READY: Compact starter is ready.
OFF: Compact starter is out of service.
Actuator display elements
LEDs
A1/A2 ON I
OFF
OFF
OFF
GREEN
OFF position, the main contacts are open and the active areas
OFF position, the 3RA61 compact starter (direct starter) can
OFF (3RA61 compact starter)
Compact starter status
Compact starter is switched off:
The circuit breaker mechanism is switched off.
•
Control supply voltage not present.
•
The main contacts are open.
•
Compact starter is switched off:
The circuit breaker mechanism is switched off.
•
Control supply voltage is present.
•
The main contacts are open.
•
System Manual, 09/2014, NEB560060102000/RS-AA/006
SIRIUS 3RA6 compact starter