50 A
90 A
100 A
THREE PHASE AC SWITCH
Bulletin I27504 08/97
1
MT..KB SERIES
Power Modules
www.irf.com
Parameters 54MT.KB 94MT.KB 104MT.KB Units
I
O
50 90 100 A
@ T
C
80 80 80 °C
I
FSM
@ 50Hz 390 950 1130 A
@ 60Hz 410 1000 1180 A
I
2
t @ 50Hz 770 4525 6380 A
2
s
@ 60Hz 700 4130 5830 A
2
s
I
2
√t 7700 45250 63800 A
2
√s
V
RRM
range 800 to 1600 V
T
STG
range - 40 to 125 °C
T
J
range - 40 to 125 °C
Major Ratings and Characteristics
Features
Package fully compatible with the industry standard INT-A-pak
power modules series
High thermal conductivity package, electrically insulated case
Outstanding number of power encapsulated components
Excellent power volume ratio
4000 V
RMS
isolating voltage
UL E78996 approved
Description
A range of extremely compact, encapsulated three phase
AC-switches offering efficient and reliable operation. They
are intended for use in general purpose and heavy duty
applications as control motor starter.