Bulletin I27504 08/97
MT..KB SERIES
THREE PHASE AC SWITCH
Power Modules
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
50 A
90 A
100 A
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
I
O
@ T
C
I
FSM
@ 50Hz
@ 60Hz
I
2
t
@ 50Hz
@ 60Hz
I
2
√t
V
RRM
range
T
STG
range
T
J
range
54MT.KB 94MT.KB 104MT.KB Units
50
80
390
410
770
700
7700
90
80
950
1000
4525
4130
45250
800 to 1600
- 40 to 125
- 40 to 125
100
80
1130
1180
6380
5830
63800
A
°C
A
A
A
2
s
A
2
s
A
2
√s
V
°C
°C
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