Data Sheet

● at AC-1 maximum
10001/h
● at AC-2 maximum
7501/h
● at AC-3 maximum
7501/h
● at AC-4 maximum
2501/h
Control circuit/ Control
Type of voltage of the control supply voltage AC/DC
Control supply voltage at AC
● at 50 Hz rated value
95...130V
● at 60 Hz rated value
95...130V
Control supply voltage at DC
● rated value
95...130V
Operating range factor control supply voltage rated
value of magnet coil at DC
● initial value
0.7
● Full-scale value
1.3
Operating range factor control supply voltage rated
value of magnet coil at AC
● at 50 Hz
0.7...1.3
● at 60 Hz
0.7...1.3
Design of the surge suppressor with varistor
Inrush current peak
● at 110 V
19A
Duration of inrush current peak
● at 110 V
30µs
Apparent pick-up power of magnet coil at AC
● at 50 Hz
11.9V·A
● at 60 Hz
12V·A
Inductive power factor with closing power of the coil
● at 50 Hz
0.98
● at 60 Hz
0.98
Apparent holding power of magnet coil at AC
● at 50 Hz
1.6V·A
● at 60 Hz
1.8V·A
Inductive power factor with the holding power of the
coil
● at 50 Hz
0.79
● at 60 Hz
0.74
Closing power of magnet coil at DC 10.2W
Holding power of magnet coil at DC 1.3W
Closing delay
● at AC
50...70ms
● at DC
50...70ms
3RT2028-2NF30 Subject to change without notice
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09/12/2019 © Copyright Siemens