Siemens Motor Circuit Breaker Selection

A the actual rated current of a motor winding is only 58 of the rated motor full load current.

Siemens motor circuit breaker selection.

If line side lugs are required add suffix l to catalog number. It uses a magnetic element instantaneous unit to protect against short circuits and a thermal element bimetal strip to protect against overloads. Wl power case circuit breakers the extensive and modular wl family of circuit breakers and accessories provides this for applications from 200a to 6000a. 6 52 a the characteristic curves of these motor starter protectors are specially laid out for the overload and short circuit protection of motors.

Motor starter protectors for motor protection 3vs13. Sirius 3rv27 and 3rv28 can be used according to ul 489 csa c22 2 no 5. Use as branch circuit protection device bcpd acc. The 3vs13 3vs16 motor starter protectors are suitable for use in any climate.

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. 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. Siemens industry catalog automation technology industrial controls protection equipment motor starter protectors circuit breakers.

Circuit breakers lug in lug out with insta wire selection all bq bqh hbq circuit breakers are supplied with load side lugs. 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. Siemens general application circuit breakers are industrial design thermal magnetic breakers with valuable features for the global market.

0 4 25 a 3vs16. N built to order. Consult siemens for any additional charge. It also provides a way to turn a circuit off.

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