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Specifications <br /> — Alarm appliances shall be Siemens Series MB vibrating Motor Bells or approved equal <br /> — Alarm appliances shall be�UL Standard 464 Listed for Fire Protective Service <br /> - Shells shall be aluminum in 6"or 10"diameter <br /> — Sound output at 10 feet shalf be 92 dBA anechoic <br /> — Befls shall incorporate a permanent magnet motor and suppression circuitry <br /> to minimize RR <br /> — Bells shall include a built-in trim plate for semi-flush mounting to a standard 4"square <br /> back box, or surface mounting to Siemens indoor BBS back box or outdoor WBBS back box <br /> — Retrofit plates Siemens Series ST with multi-Candela strobes shail be used <br /> for bell-strobe applications <br /> — All bell models shall be polarized for line supervision and shall have screw <br /> terminals for In I Out field wiring of#12 to #18 AWG wire <br /> — Operating voltage range shall be 16-33 volts VDC <br /> — Finish on all models shall be textured enamel <br /> — All notification appliances shall be listed for"Special Applications" <br /> Mounting Diagram <br /> r.� ��_ <br /> � <br /> � ��� �, <br /> �, <br /> � a 4 <br /> � � -:� <br /> �►�� <br /> � <br /> ���� <br /> (Shown In Inches) <br /> Mountinq Options <br /> :�EI�91-�Lt�LH � , .est�K,^. � G+�i�tatT <br /> �' �+����E r�r�r,�� � �_� ��:� <br /> ��-r��:��r� ��t���a��: <br /> �,� ��~�c�.s:� t`�'t��,��.:�t� <br /> �.�;�a�sc}� ��s�r�� } �����r�r� <br /> p�,�,-� 1hi�3-rE,�'�stlf7�j <br /> ��� � <br /> �` �a <br /> r�fr�rr�r ¢�..�, � r�3tg�� !�m�. ;� _ <br /> : �` `��' <br /> �_ � �, �� � <br /> � � � � � k <br /> �� <br /> ���� <br /> �.�:��,�u�+r r�c.:��.��s���r��i�,r�.� <br /> ;m:�r:��� ,�,h��c���� ,�_:���ras �,s�rc-��� <br /> � � � � <br /> SIEMENS lndustry, Inc. <br /> Buildinq Technoloqies Division <br />