3WL10
(stored energy operating
mechanism)
3VA27
(stored energy operating
mechanism)
3VA27
(toggle operating mecha‐
nism)
Ready-to-close signaling
switch for communication
(COM RTC)
✓ ✓ -
Actuator module (COM ACT) ✓ ✓ -
Door mounted rotary opera‐
tor, incl. locking devices
- - ✓
Front mounted rotary opera‐
tor, incl. locking devices
- - ✓
External digital I/O module
IOM300
✓ ✓ ✓
DSP800 display ✓ ✓ ✓
External current transformer
for N conductor
✓ ✓ ✓
External CT for grounding
conductors of the main power
supply GF-CT
✓ ✓ ✓
Summation current trans‐
former Rc CT
✓ ✓ ✓
Protective covers to prevent
unintended mechanical oper‐
ation
✓ ✓ -
Locking device, OFF position,
Ronis lock
✓ ✓ -
Locking device, OFF position,
Ronis lock, for circuit breaker
with toggle operating mecha‐
nism
- - ✓
Locking device, OFF position,
for padlocking, circuit breaker
with toggle operating mecha‐
nism
- - ✓
Padlockable protective cover
ON/OF
✓ ✓ -
Locking device,
OFF position, for padlocking
✓ ✓ -
Breaker Data Adapters and
test devices
✓ ✓ ✓
Accessories
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
86 Equipment Manual, 10/2023, L1V30499596002-03
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