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Technical data
12.10 Motor Protection
3VL molded-case circuit breakers
176
System Manual, 03/2009, 110 0110 - 02 DS 01
Circuit breakers for motor protection with adjustable trip class ETU 40M
Characteristic curve of circuit breakers for
motor protection with adjustable trip class
ETU40M
These circuit breakers possess an
adjustable overload and short-circuit release
and an adjustable trip class. They are
current-limiting and have a phase failure
sensitivity feature. They are also equipped
with an LCD display for indicating the
current and for parameterization.
Communication via Profibus is possible.
Table 12- 40 Circuit breakers for motor protection with adjustable trip class ETU40M
Max. rated power of the
motor at 50 Hz AC
[kW]
Circuit
breaker
Rated
current I
n
[A]
380 / 415 V 500 V
Adjustable range
of the overload
protection I
R
[A]
Adjustable
range of the
short-circuit
protection I
I
[A]
Trip class TC
[s]
63
30
37
25-63
1.25-11 x I
n
5/10/15/20/30
100
37, 45
55
40-100
1.25-11 x I
n
5/10/15/20/30
VL160
160
55, 75
75, 90
63-160
1.25-11 x I
n
5/10/15/20/30
200
90, 110
110, 132
80-200
1.25-11 x I
n
5/10/15/20/30
VL250
250
132
160
100-250
1.25-11 x I
n
5/10/15/20/30
315
160
200
126-315
1.25-11 x I
n
5/10/15/20/30
VL400
315
200
250
126-315
1.25-11 x I
n
5/10/15/20/30
VL630
500
250
355
200-500
1.25-12.5 x I
n
5/10/15/20/30
Summary of Contents for SENTRON 3VL series
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Page 10: ...Table of contents 3VL molded case circuit breakers 10 System Manual 03 2009 110 0110 02 DS 01 ...
Page 350: ...Correction sheet 3VL molded case circuit breakers 350 System Manual 03 2009 110 0110 02 DS 01 ...
Page 358: ...Glossary 3VL molded case circuit breakers 358 System Manual 03 2009 110 0110 02 DS 01 ...
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