Siemens Motor Circuit Breaker Selection

It uses a magnetic element instantaneous unit to protect against short circuits and a thermal element bimetal strip to protect against overloads.

Siemens motor circuit breaker selection.

Sirius 3rv27 and 3rv28 can be used according to ul 489 csa c22 2 no 5. A the actual rated current of a motor winding is only 58 of the rated motor full load current. It also provides a way to turn a circuit off. Use as branch circuit protection device bcpd acc.

If line side lugs are required add suffix l to catalog number. For fuseless protection of systems motors and non motor loads e g. N built to order. The circuit breakers for use in ul markets.

Siemens general application circuit breakers are industrial design thermal magnetic breakers with valuable features for the global market. The most comprehensive circuit protection solution for your application siemens a name that stands for innovation and quality offers one of the most comprehensive line of low voltage circuit breakers on the market today. The 3vs13 3vs16 motor starter protectors are suitable for use in any climate. All standard circuit breakers are calibrated for 40 c maximum ambient application.

If only one motor protection circuit breaker without an additional overload relay is used in a star delta starter the following disadvantages must be taken into consideration. A circuit breaker protects the circuit or wire between the breaker and the electrical load. With current ratings from 3a to 6000a and interrupting ratings up to 200ka at 480v the possibilities are endless. Wl power case circuit breakers the extensive and modular wl family of circuit breakers and accessories provides this for applications from 200a to 6000a.

Circuit breakers lug in lug out with insta wire selection all bq bqh hbq circuit breakers are supplied with load side lugs. Consult siemens for any additional charge. 6 52 a the characteristic curves of these motor starter protectors are specially laid out for the overload and short circuit protection of motors. Transformers in sizes s00 and s0 up to 22 a switching capacity 65 ka or 50 ka at 480 y 277 v.

Siemens 15 amp 1 pole dual function cafci gfci plug on neutral circuit breaker model q115dfnp view the plug on neutral load centers and electronic breakers.