Datasheet

Shock resistance at rectangular impulse
● at AC
6.7 g / 5 ms, 4.0 g / 10 ms
Shock resistance with sine pulse
● at AC
10.6 g / 5 ms, 6.3 g / 10 ms
Mechanical service life (switching cycles)
● of contactor typical
10000000
● of the contactor with added electronics-
compatible auxiliary switch block typical
5000000
● of the contactor with added auxiliary switch
block typical
10000000
Reference code acc. to DIN EN 81346-2 Q
Ambient conditions
Installation altitude at height above sea level
● maximum
2000m
Relative humidity during operation 0...95%
Main circuit
Number of poles for main current circuit 3
Number of NO contacts for main contacts 3
Type of voltage for main current circuit AC
Operating current
● at AC-1 at 400 V
— rated value
140A
● at AC-1
— up to 690 V at ambient temperature 40 °C
rated value
160A
— up to 690 V at ambient temperature 60 °C
rated value
140A
● at AC-3
— at 400 V rated value
44A
Minimum cross-section in main circuit
● at maximum AC-1 rated value
70mm²
No-load switching frequency
● at AC
50001/h
Operating frequency
● at AC-1 maximum
6501/h
Control circuit/ Control
Type of voltage AC
Type of voltage of the control supply voltage AC
Control supply voltage at AC
● at 50 Hz rated value
24V
Operating range factor control supply voltage rated
value of magnet coil at AC
3RT2448-1AB00 Subject to change without notice
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09/13/2019 © Copyright Siemens