Technical data
11.7 Motor Protection
3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03
155
Molded case circuit breakers for motor protection with adjustable trip class ETU40M
Molded case circuit breaker character
istic
curve for motor protection with
adjustable trip class ETU40M
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
ure. They are also equipped
with an LCD display for indicating the current
and for parameterization.
Communication via PROFIBUS and
Modbus
RTU is possible.
Table 11- 31 Molded case circuit breakers for motor protection with adjustable trip class ETU40M
Molded
case
circuit
breaker
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
VL160
n
VL250
n
VL400
n
n