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� : � : •• <br /> Technica!Speai�caft�ns <br /> Mechanical Properties <br /> Dimensions 5in.x3in.x08in.(12.7cmx76cmx2.Ocm) <br /> (HxWxD) <br /> Power Requirements(12 VDC Circuits) <br /> Current(alarm). 1 loop only� 75 mA maximum <br /> Both loops. 145 mA maximum <br /> Current(standby): 1 loop only� 12 mA maximum <br /> Both loops. 24 mA maximum <br /> Voltage(nominal) 12 VDC supplied by control panel <br /> Power Requirements(24 VDC Circuits) <br /> Current(alarm): 1 loop only� 168 mA maximum <br /> Both loops. 300 mA maximum <br /> Current(standby) 1 loop only• 25 mA maximum <br /> Both loops. 50 mA maximum <br /> Voltage(nominal) 24 VDC supplied by UL864 or UL1481 Listed <br /> 24 V power supply <br /> Two-wire Loop(Class B,Style B)Characteristics <br /> Current(alarm) 12 VDC. >11 8 mA <br /> 24VDC. >24 1 mA <br /> Current(trouble)• 12 VDC. <3 5 mA <br /> 24 VDC. <7 5 mA <br /> Detector Current. 12 VDC. 3 mA maximum <br /> 24 VDC. 7 mA maximum <br /> Wiring Impedance: 50 S1 maximum <br /> Ordering lnformation <br /> D325B Dual Class B Initiating Module D125B <br /> Two separate Class B(Style B)powered <br /> loops.Suitable for connecting fire or burglary <br /> devices. <br /> Accessories <br /> D337 Mounting Bracket D137 <br /> Used to mount accessory modules in D8103, <br /> D8108A,and D8109 enclosures. <br /> www.boschsecurity.com <br />