242 ABB SACE - Protection and control devices

5 Special applications

5.2 Networks at particular frequencies

Trip curvesthermomagnetic release

T5N 400/630

In 320 to 630 ATMG

Table 9: Tmax performance T5N 320-630 A TMG

Km = Multiplier factor of I3 due to the induced magnetic fields

I1 (400Hz) I3 setting (2.5…5xIn)

T5N 400/630 MIN MED MAX I3 @ 2.5..5xIn (50Hz) I3 @ 2.5..5xIn (400Hz)In320 201 244 288 800...1600 1.5 1200...2400In400 252 306 360 1000...2000 1.5 1500...3000In500 315 382 450 1250...2500 1.5 1875...3750In630 397 482 567 1600...3150 1.5 2400...4725

Km

I1

t [s]

10.01

100

0.1

0.1 10

1

10

100

1000

10000

In=320 to 630 I3=3.75..7.5xIn