Siemens Motor Circuit Breaker Selection

For fuseless protection of systems motors and non motor loads e g.

Siemens motor circuit breaker selection.

With current ratings from 3a to 6000a and interrupting ratings up to 200ka at 480v the possibilities are endless. All standard circuit breakers are calibrated for 40 c maximum ambient application. Use as branch circuit protection device bcpd acc. 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 the actual rated current of a motor winding is only 58 of the rated motor full load current. A circuit breaker protects the circuit or wire between the breaker and the electrical load. Sirius 3rv27 and 3rv28 can be used according to ul 489 csa c22 2 no 5. Consult siemens for any additional charge.

Motor starter protectors for motor protection 3vs13. The circuit breakers for use in ul markets. If line side lugs are required add suffix l to catalog number. 0 4 25 a 3vs16.

It uses a magnetic element instantaneous unit to protect against short circuits and a thermal element bimetal strip to protect against overloads. Siemens general application circuit breakers are industrial design thermal magnetic breakers with valuable features for the global market. N built to order. The 3vs13 3vs16 motor starter protectors are suitable for use in any climate.

6 52 a the characteristic curves of these motor starter protectors are specially laid out for the overload and short circuit protection of motors. Circuit breakers lug in lug out with insta wire selection all bq bqh hbq circuit breakers are supplied with load side lugs. 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. Wl power case circuit breakers the extensive and modular wl family of circuit breakers and accessories provides this for applications from 200a to 6000a.

Transformers in sizes s00 and s0 up to 22 a switching capacity 65 ka or 50 ka at 480 y 277 v.