Siemens SENTRON 3WL10 Series Manual page 84

Accessories
3.2 Electronic accessories
Ready-to-close signaling switch (RTC)
The signaling contact for ready-to-close (RTC) is used to query whether the circuit breaker is
ready for closing.
The following conditions must be met before the circuit breaker is ready to close:
● Circuit breaker in the OPEN position
● Springs charged
● Switch-off command or interlocking with switch-off command is not pending
● Circuit breaker reset due to tripping of the electronic trip unit ETU
Type
Smallest load
Breaking capacity
82
DC 24 V
250 V
AC 250 V
Standard contact
Changeover contact
100 mA at 24 V
—
0.5 A at 0 ms
0.2 A at 10 ms
3 A at cosφ 0.7
Contact for digital signal
1 mA at 5 V
0.1 A
—
—
—
Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01