Siemens SENTRON 3VL160X System Manual page 21

Application
3-pole molded case circuit
breakers
3- and 4-pole molded case circuit
breakers
3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03
Type Description
VL160 Starter combination
Starter combinations consist of: molded case circuit breaker + contactor
VL250
+ overload relay. The molded case circuit breaker handles short-circuit
VL400
protection and the isolating function. The contactor has the task of
VL630
switching the load feeder normally. The overload relay handles
overload protection that can be specially matched to the motor. The
molded case circuit breaker for starter combination is therefore
equipped with an adjustable and instantaneous short-circuit release.
VL160X Non-automatic air circuit breakers
These molded case circuit breakers are used as incoming circuit
VL160
breakers, main switches or isolating switches without overload
VL250
protection. They have fixed short-circuit releases so that back-up fuses
VL400
are not necessary.
VL630
VL800
VL1250
VL1600
Product description
3.2 Application overview
21