Siemens SENTRON 3VL System Manual page 176

Technical data
12.10 Motor Protection
Circuit breakers for motor protection with adjustable trip class ETU 40M
Characteristic curve of circuit breakers for
motor protection with adjustable trip class
ETU40M
Table 12- 40 Circuit breakers for motor protection with adjustable trip class ETU40M
Circuit
breaker
VL160
VL250
VL400
VL630
176
Rated Max. rated power of the
current I motor at 50 Hz AC
n
[kW]
[A]
380 / 415 V
63 30
100 37, 45
160 55, 75
200 90, 110
250 132
315 160
315 200
500 250
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.
Adjustable range
of the overload
protection I
R
500 V
[A]
37 25-63
55 40-100
75, 90 63-160
110, 132 80-200
160 100-250
200 126-315
250 126-315
355 200-500
System Manual, 03/2009, 110 0110 - 02 DS 01
Adjustable Trip class TC
range of the
short-circuit
protection I
I
[s]
[A]
1.25-11 x I 5/10/15/20/30
n
1.25-11 x I 5/10/15/20/30
n
1.25-11 x I 5/10/15/20/30
n
1.25-11 x I 5/10/15/20/30
n
1.25-11 x I 5/10/15/20/30
n
1.25-11 x I 5/10/15/20/30
n
1.25-11 x I 5/10/15/20/30
n
1.25-12.5 x I 5/10/15/20/30
n
3VL molded-case circuit breakers