Overall, the Siemens PBB-1191 base consists of terminal support with terminals. Also, the Siemens PBB-1191 base housing features six PG16 tapped cable inlets.
In general, The Siemens PBB-1191 base contains one terminal block with 6 terminals for connecting the detector to the line and for connecting the external response indicator. Besides, the terminal block incorporates a slide switch jumper; which places the end of line device in the circuit for initial continuity check. When the detector is first installed, this jumper is automatically disengages and remains that way.
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