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 dier 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 po‐
sition
- - ✓
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 com‐
munication (COM PSS)
✓ ✓ ✓
Breaker Connect module, ex‐
ternal power supply
✓ ✓ ✓
Communication modules
(COM040-COM044)
✓ ✓ ✓
Digital I/O module IOM040 ✓ ✓ ✓
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Equipment Manual, 10/2023, L1V30499596002-03 85