Circuit breakers – 2005-09-01
Siemens Energy & Automation's WL UL 489 family of insulated case circuit breakers available in three frame sizes, 800–5,000 A. The circuit breakers feature integrated racking handles, pull apart front-mounted terminal blocks and modular accessories. The breakers have Dynamic Arc-Flash Sentry technology and Extended Instantaneous Protection.
Siemens Energy & Automation’s WL UL 489 family of insulated case circuit breakers available in three frame sizes, 800—5,000 A. The circuit breakers feature integrated racking handles, pull apart front-mounted terminal blocks and modular accessories. The breakers have Dynamic Arc-Flash Sentry technology and Extended Instantaneous Protection. The Dynamic Arc-Flash Sentry technology meets the requirements of NFPA 70E. Extended Instantaneous Protection accommodates the full withstand rating of the frame while still allowing the breaker to be applied up to the maximum interrupting rating.
Siemens Energy & Automation www.sea.siemens.com/wlbreaker Write 307 on PE card
Do you have experience and expertise with the topics mentioned in this content? You should consider contributing to our CFE Media editorial team and getting the recognition you and your company deserve. Click here to start this process.
