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Standby Battery Calculations <br /> Radionicis D7412 <br /> Standby Current Alarm Current <br /> Part Number Description Quantity Per Device All Devices Per Device All Devices <br /> D7412-B Alarm Control-BA/FA Combination 1 0.250000 0.250000 0.500000 0.500000 <br /> D1255 Command Center-Alpha 2 0.104000 0.208000 0.206000 0.412000 <br /> D8128C OctoPOPIT 2 0.050000 0.100000 0.050000 0.100000 <br /> D9127U POPIT-Untampered 1 0.003000 0.003000 0.004000 0.004000 <br /> H355HT Heat Detector Fixed 135deg 2 0.000300 0.000600 0.000300 0.000600 <br /> 4275 Dual PIR 2 0.001000 0.002000 0.001000 0.002000 <br /> 4939SN Surface Mounted Contact 8 0.001000 0.008000 0.001000 0.008000 <br /> Total Aux currrent Max 3 Amps 0.572 Alarm 1.027 <br /> Signal Circuits <br /> Alarm Current <br /> Circuit Device Quantity Per Device All Devices <br /> Circuit 1 0.000 <br /> 0.000 <br /> 0.000 <br /> 0.000 <br /> Total 1 Maximum 1.5 Amps 0.000 <br /> Circuit 1 <br /> Max Wire Run Distance For AWG 14 <br /> Actual Wire run Distance <br /> Voltage Drop for 14 AWG wire <br /> Voltage Drop=2*Wire Run Distance*3.07 Ohms Per 1000 ft 14 AWG*Total Current for Circuit/1000 <br /> Standby Hours 24 <br /> Standby Battery Draw 0.572 <br /> Standby Amp Hrs 13.718 <br /> Alarm Current 1.027 <br /> Alarm Current 5 Min 0.085 <br /> Battery Size Required <br /> with 5 Min.Alarm Time <br /> and 20%Reserve 16.564 <br /> 'Battery Size Supplied 21 A.H. <br />