Description
2.2 Electronic components
3WJ Air Circuit breakers
40 Operating Instructions, 12/2022, L1V30828903001-01
Overview of functions
LT: Overload protection (Long time), L-tripping
Thermal memory can be switched on/off
ST: Short-time delay short-circuit protection (Short time), S-tripping
Short-time can be switched ON/OFF
Short-time delay short-circuit protection to I
2
INST: Instantaneous short-circuit protection (Instantaneous), I-
✓
1)
✓
1)
Instantaneous can be switched on/off
N: Neutral conductor protection (N Neutral), N-tripping
Neutral conductor protection can be switched on/off
GF: Ground-fault protection, G-tripping
Ground-fault characteristic can be switched to I
2
Leading signal “L-tripping”
Motor protection function
Communication via Modbus RTU
Parameterization by rotary coding switches
Remote parameterization of additional functions
Provision for connecting to an external 24 V DC power supply
✓ = Standard
Ο = Optional
— = Not available
1)
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