Siemens SENTRON 3VL160X System Manual page 154

Technical data
11.7 Motor Protection
Molded case circuit breakers for motor protection with adjustable trip class ETU30M
Molded case circuit breaker characteristic
Table 11- 30 Molded case circuit breakers for motor protection with adjustable trip class ETU30M
Molded
case
circuit
breaker
VL160
VL250
VL400
VL630
154
curve for motor protection with
adjustable trip class ETU30M
Rated Max. rated power of the
current I motor at 50 Hz AC
n
[A] [kW]
380 / 415 V
63 30
100 37, 45
160 55, 75
200 90, 110
250 132
315 160
315 200
500 250
These molded case 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 Communication via
PROFIBUS DP and Modbus RTU is possible.
Adjustable range
of the overload
protection I
R
[A]
500 V
37 0.41-1.0 x I
55 0.41-1.0 x I
75, 90 0.41-1.0 x I
110, 132 0.41-1.0 x I
160 0.41-1.0 x I
200 0.41-1.0 x I
250 0.41-1.0 x I
355 0.41-1.0 x I
System Manual, 11/2013, 110 0110 - 02 DS 03
Adjustable Trip class TC
range of the
short-circuit
protection I
I
[A]
6/8/11 x I
n n
6/8/11 x I
n n
6/8/11 x I
n n
6/8/11 x I
n n
6/8/11 x I
n n
6/8/11 x I
n n
6/8/11 x I
n n
6/8/12.5 x I
n n
3VL IEC molded case circuit breakers
[s]
10/20/30
10/20/30
10/20/30
10/20/30
10/20/30
10/20/30
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