3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
91
Accessories
3
The internal and external accessories of the 3WL10 and the 3VA27 with stored energy
operating mechanism are identical. In some cases, they may however differ from the the
3VA27 with toggle operating mechanism.
Overview:
3WL10
(stored energy operating
mechanism)
3VA27
(stored energy operating
mechanism)
3VA27
(toggle operating mecha-
nism)
Accessories for connection
and insulation
✓
✓
✓
Undervoltage release (UVR)
✓
✓
✓
Shunt release (ST)
✓
✓
✓
Shunt release (ST2)
✓
✓
✓
Closing coil (CC)
✓
✓
-
Spring charging motor (MO)
✓
✓
-
Ready-to-close signaling
switch (RTC)
✓
✓
-
Remote reset magnet (RR)
✓
✓
-
Spring charged signaling
switch (S21)
✓
✓
-
Position signaling switch
PSS for guide frame
✓
✓
✓
Tripped signaling switch
(TAS) - signals the tripped
position
-
-
✓
Auxiliary switch (AUX1-
AUX2)
✓
✓
✓
Auxiliary switch (AUX3-
AUX4)
✓
✓
✓
Tripped signaling switch
(S24) - tripped by ETU
✓
✓
✓
Tripped signaling switch via
auxiliary release (S25)
-
-
✓
Leading changeover switch
(S26)
-
-
✓
Mechanical operating cycles
counter (MOC)
✓
✓
-
Position signaling switch
communication (COM PSS)
✓
✓
✓
Breaker Connect module,
external power supply
✓
✓
✓