Siemens SENTRON 3VL400 - Page 154

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