Bulletin I27504 08/97
MT..KB SERIES
Power Modules
THREE PHASE AC SWITCH
Features
50 A
90 A
Package fully compatible with the industry standard INT-A-pak
power modules series
100 A
High thermal conductivity package, electrically insulated case
Outstanding number of power encapsulated components
Excellent power volume ratio
4000 V
isolating voltage
RMS
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.
Major Ratings and Characteristics
Parameters
IO
54MT.KB 94MT.KB 104MT.KB Units
50
80
90
80
100
80
A
°C
A
@ TC
IFSM @50Hz
390
410
770
700
7700
950
1130
1180
6380
5830
63800
@60Hz
2
1000
4525
4130
A
2
I t
@50Hz
@60Hz
A s
2
A s
2
2
I √t
45250
A √s
VRRM range
TSTG range
800 to 1600
V
-40 to 125
-40 to 125
°C
°C
TJ
range
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