Siemens BETA Low-Voltage Circuit Protection

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Siemens ET B1 · 10/2008

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2/2 Product overview 2/3 5 SM3 RCCBs, type A Instantaneous SIGRES Super resistant æ Selective î 2/9 SIQUENCE 5SM3, 5SU1 universal current-sensitive type B RCCBs, super resistant æ RCCBs, selective î RCBOs, super resistant æ RCBOs, selective î 2/14 Additional components 2/17 5 SM2 RC units, type A Instantaneous Super resistant æ Selective î 2/22 5 SU1 RCBOs, type A Instantaneous Super resistant æ Selective î 2/31 Busbars 2/34 5 SM1 and 5SZ9 RCCB socket outlets 2/35 Accessories 2/36 Residual-current operated circuit breakers

BETA Protecting

Residual Current

Protective Devices

© Siemens AG 2008