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Seatronics, Inc. <br /> NAC PANEL LOAD, BATTERY AND <br /> VOLTAGE DROP CALCULATIONS <br /> NAC PNL. #1 <br /> Notes: <br /> SUMMARYSHEET <br /> POWER SUPPLY NAC PNL.#1 Mfg./Model: Siemens model PAD-4 <br /> IDENTIFICATION: <br /> PROJECT#: DATE: Rev 6-22-17 <br /> PROJECT: Boeing 45-012 <br /> PWR.SUPPLY VOLTS: 24 MAX.AMPS: g <br /> SIZE: <br /> STANDBY TIME SUPV. ALARM <br /> REQUIRED: HRS.: 48 MINUTES: 10 <br /> NOTES: <br /> 1. Relocated and added new devices per area revision. <br /> 2.Added new horn-strobes circuit for control room addition. <br /> LOAD SUMMARY: <br /> DEVICE/ TOTAL TOTAL <br /> MODULE ID SUPV.(mA) ALARM(mA) Comments <br /> PAD4 Main Board 66 66 <br /> Output 1 1/1 * 2024 <br /> Output 2 1/2 * 1518 <br /> Output 3 1/3 * 2395 Note1 <br /> Output 4 1/4 * 484 Note 2 <br /> Aux Pwr Output 0 0 <br /> TOTAL TOTAL <br /> SUPV.(mA) 66 ALARM(mA) 6487 <br /> BATTERY CALCULATION; <br /> SUPERVISION CURRENT 66 mA X 48 HRS = 3168 mA HRS <br /> ALARM CURRENT 6487 mA X 0.167 HRS = 1081 mA HRS <br /> (5 minutes=.083 hrs.) <br /> (10 minutes=.167 hrs.) TOTAL = 4249 mA HRS <br /> � � <br /> SAFETY FACTOR 1.25 X 4249 mA HRS = 5311 mA HRS <br /> AMP HOUR REQUIRED = 5.3 AH <br /> AMP HOUR SELECTED = 7 AH <br /> *-INCLUDED IN MAIN BOARD CURRENT <br />