Data Sheet

Protection class IP
● with closed switch / with cover or cable lug
cover
IP20
● on the front
IP20
Dissipation
Power loss [W] / for rated value of the current / at AC
/ in hot operating state / per pole
1.2W
Operating current / at AC / at 230 V / Rated value 0.03A
Continuous current / rated value 63A
Main circuit
Operating power
● at AC-23 A / at 690 V / at 50/60 Hz / rated value
55kW
Auxiliary circuit
Number of connected NC contacts / for auxiliary
contacts
0
Number of connected NO contacts / for auxiliary
contacts
0
Number of connected CO contacts / for auxiliary
contacts
0
Number of CO contacts / for auxiliary contacts 6
Number of NC contacts / for auxiliary contacts 0
Number of NO contacts / for auxiliary contacts 0
Product feature / interlock Yes
Short circuit
Short-circuit current making capacity (Icm) / for
switch disconnector
● at AC 415 V / without fuse link / acc. to IEC
60947-3 / rated value / minimum
5.88kA
Number of digital inputs 3
Relay design 1 relay: 1NO, 250V AC 2A AC-1 or 30V DC 2A DC-1
Design of the switching input Connected with control terminal
Input delay time 0.03s
Measuring procedure Three-phase, true RMS
Input impedance / between L and L 5.5MΩ
Measured variable voltage
● between L and L / Rated value
400V
● between N and L / Rated value
230V
Relative measurement deviation 3%
Number of monitored phases 3
Connections
Type of electrical connection
● for main current circuit
box terminal
3KC6426-2TA20-0TA3 Subject to change without notice
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09/13/2019 © Copyright Siemens