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Home My WebLink AboutCA_BATTERY _CALCULATIONS_20260121_v1Project Name: Standby Hours: 24 Alarm Mins: 5 Installed By: Efficiency Factor: 20% Designed By: SLC Type: Class B Date: 1/16/2026 NAC Source Voltage: 20.4 Model #: AFC-50 Max Panel Current (amps): 5 Panel ID: Location: Qty Part #Description Each Total Each Total 1 AFC-50 Analog Addressable FACP 0.130 0.130 0.220 0.220 Panel Standby: 0.130 Panel Alarm: 0.220 1 UD-2000 / UD-1000 0.016 0.016 0.023 0.023 RA-6075/R 0.020 0.025 RA-6500 (R/F)0.020 0.050 LED-16 (F) Flush Mount LED Annunciator 0.025 0.025 LED-16 (F)* LED Annunciator LED Power* 0.015 0.210 CA-6075 0.012 0.044 PSN-1000(E)0.015 0.015 PAD100-SLCE-127 SLC Expander 0.060 0.060 NOHMI-SLCE-127** SLC Expander 0.060 0.060 IDC-6 Initating Zone Expander 0.020 0.020 IDC-6 Initating Zone Expander Power* 0.030 0.270 RLY-5 Relay Expander 0.025 0.035 RLY-5 Relay Expander Power* 0.010 0.135 DRV-50 LED Driver Module 0.025 0.025 DRV-50 LED Driver Module LED Power* 0.010 0.215 FCB-1000 Fire Communications Bridge 0.025 0.025 FIB-1000 Fiber Interface Board 0.030 0.030 MC-1000 0.010 0.010 SPG-1000 Serial Parallel Gateway 0.040 0.040 NCE-1000 Network Card Ethernet 0.050 0.050 NCF-1000 Network Card Fiber 0.095 0.095 PSK-1000 Programmable Soft Key module 0.018 0.019 (Maximum current draw on P-Link limited to 1 Amp)P-LINK Standby: 0.016 P-LINK Alarm: 0.023 *Only enter quantity if PLINK power is being used to power devices PAD-PD Analog Photo Smoke 0.000300 0.000300 PAD-PHD Analog Photo Smoke/Heat 0.000300 0.000300 PAD-HD Analog Fixed Temp Heat 0.000300 0.000300 PAD-CD Analog Carbon Monoxide Detector 0.000300 0.000300 PAD-PCD Analog Smoke/Carbon Monoxide Detector 0.000300 0.000300 PAD-PHCD Analog Smoke/Heat/Carbon Detector 0.000300 0.000300 PAD100-DRTS Duct Remote Test Switch 0.010000 0.015000 PAD-DUCT Addressable Duct Detector 0.000300 0.000300 PAD-DUCTR* Addressable Duct Detector w/Relay 0.000500 0.000500 2 PAD100-PSSA/PSDA Addressable Pull Station Single/Dual Action 0.000200 0.000400 0.000200 0.000400 PAD100-MIM Micro Input Module 0.000200 0.000200 4 PAD100-SIM Single Input Module 0.000240 0.000960 0.000240 0.000960 PAD100-DIM Dual Input Module 0.000240 0.000240 PAD100-RM Relay Module 0.000240 0.000240 PAD100-OROI One Relay One Input Module 0.000240 0.000240 PAD100-TRTI Two Relay Two Input Module 0.000240 0.000240 PAD100-ZM* Conventional Zone Module 0.000240 0.000240 PAD100-NAC* Notification Appliance Circuit 0.000200 0.000200 PAD100-SM Speaker Module 0.000200 0.000200 PAD100-IM Isolator Module 0.000150 0.000150 PAD100-LED LED Module 0.000240 0.000240 PAD100-LEDK Addressable LED w/ Key Switch 0.000200 0.000200 PAD100-SB*** Addressable Sounder Base 0.000200 0.000200 PAD100-LFSB*** Addressable Low Frequency Sounder Base 0.000200 0.000200 PAD100-RB* Addressable Relay Base 0.000200 0.000200 PAD100-IB Addressable Isolator Base 0.000150 0.000150 KENWORTH RED HAWK FIRE PROTECTION RED HAWK FIRE PROTECTION Flush Mount LCD Annunciator AFC-50 Battery & Voltage Drop Calculations Alarm (amps) Alarm ELECTRICAL ROOM LCD Annunciator DACT Card P-LINK (RS-485) Standby (amps)Addressable Fire Panel User assumes all responsibility to ensure the quantities and current draw values in this worksheet are accurate prior to submittal. Standby Class A Module Power Expander SLC Devices Standby Alarm ** REQUIRED IF USING NOHMI PROTOCOL SLC DEVICES Multi-Connect Expander AFC / ARC / IPA Series - PAD100/200 Potter Electric Signal (C)2022 1 of 3 AFC-50 Battery and Voltage Drop Calculation 1 PAD300-PD Analog Photo Smoke 0.000300 0.000300 0.000300 0.000300 PAD300-PD-I Analog Photo Smoke W/ Isolator 0.000300 0.000300 PAD300-PHD Analog Photo Smoke/Heat 0.000300 0.000300 PAD300-PHD-I Analog Photo Smoke/Heat/Isolater 0.000300 0.000300 PAD300-HD Analog Fixed Temp Heat 0.000300 0.000300 PAD300-HD-I Analog Fixed Temp Heat W/ Isolator 0.000300 0.000300 PAD300-CD Analog CO Detector 0.000300 0.000300 PAD300-CD-I Analog CO Detector W/Isolater 0.000300 0.000300 PAD300-PCD Analog Smoke/CO Detector 0.000300 0.000300 PAD300-PCD-I Analog Smoke/CO Detector W/Isolater 0.000300 0.000300 PAD300-PHCD Analog Smoke/Heat/CO Detector 0.000300 0.000300 PAD300-PHCD-I Analog Smoke/Heat/CO Detector W/ Isolater 0.000300 0.000300 PAD300-DD Addressable Duct Detector 0.000300 0.000300 PAD300-SB*** Addressable Sounder Base 0.000200 0.000200 PAD300-LFSB*** Addressable Low Frequency Sounder Base 0.000200 0.000200 PAD300-RB* Addressable Relay Base 0.000200 0.000200 PAD300-IB Addressable Isolator Base 0.000150 0.000150 PSA Analog Photo Smoke 0.000325 0.000325 PSHA Analog Photo Smoke/Heat 0.000325 0.000325 RHA Analog Rate of Rise Heat 0.000325 0.000325 FHA Analog Fixed Temp Heat 0.000325 0.000325 DDA Addressable Duct Detector 0.000325 0.000325 APS-SA/APS-DA Addressable Pull Station Single/Dual Action 0.000325 0.000325 MCM Mini Contact Input Module 0.000325 0.000325 SCM-4 Single Contact Input Module 0.000325 0.001000 DCM-4 Dual Contact Input Module 0.000325 0.001000 TRM-4 Twin Relay Output Module 0.000325 0.001000 CIZM-4 * Conventional Zone Input Mod 0.000325 0.001000 MOM-4 * Monitored Output Module 0.000325 0.001000 ARB * Detector Base w/Relay 0.000325 0.000325 ASB * Detector Base w/Sounder 0.000325 0.000325 SCI ** Short Circuit Isolator (Class A) 0.000325 0.002340 AIB ** Detector Base w/Isolator (Class A) 0.000325 0.002340 IM/IB/SCI/AIB Class B ** 1 0.000000 0.000000 0.036000 0.036000 * Requires Aux Power (Configure Below)SLC Standby: 0.001660 SLC Alarm: 0.037660 ** *** Standby (amps) Ckt Use Description Total 1 Notification 0.00000 0.30600 2 Notification 0.00000 0.15300 NAC Standby:0.00000 NAC Alarm:0.45900 I/O Circuits (See I/O Configuration below)Standby (amps) Ckt Use Description Total 1 0.00000 0.00000 2 0.00000 0.00000 I/O Standby: 0.00000 I/O Alarm: 0.00000 Battery Calculation Summary Standby (amps) Panel Current: 0.13000 0.22000 P-Link Current: 0.01600 0.02300 SLC Device Current: 0.00166 0.03766 NAC Circuit Current: 0.00000 0.45900 I/O Circuit Current: 0.00000 0.00000 SLC Loop Type: Class B Total Standby: 0.147660 Total Alarm: 0.73966 Device Addresses Used:7 Standby Hours: 24 Alarm Mins: 5 Device Addresses Available:50 AH Required:3.55 AH Required:0.07 Total Combined Standby & Alarm AmpHours Required: 3.62 5 Efficiency Factor: 20% Required Battery AmpHours: 4.34 Battery AmpHours Provided: 8 NAC Circuits (See NAC Configuration below)Alarm (amps) Total Alarm (amps) Total Alarm (amps) NAC CKT 1 NAC CKT 1 Note: The cabinet will house two 8 AH or 18 AH batteries. The charging circuit is rated for up to two 55 AH batteries. Requires Aux Sounder Base Power (Configure Below) SLC Loop Alarm LED Current See the installation manual for special considerations when installing IM, IB, AIB, SCI devices on Class B loops. Current Draw from Install Manual AFC / ARC / IPA Series - PAD300 PFC-6000 / P Series Potter Electric Signal (C)2022 2 of 3 AFC-50 Battery and Voltage Drop Calculation NAC Circuit Configuration & Voltage Drop 1/16/2026 NAC 1 MAX Circuit Current (amps): 3 Source Voltage Used (VDC): 20.4 Usage:Description: Wire Type Ohms/1000ft Length 1-Way Actual Ohms Max Load (amps)Volts @ EOL Min Volts Req'd #14 Stranded 3.26 0.000 0.306 20.40 16 Qty Lookup Type Each Total Each Total 2 P2RLED 0.000000 0.000000 0.153000 0.306000 Total Standby:0.00000 Total Alarm: 0.30600 NAC 2 MAX Circuit Current (amps): 3 Source Voltage Used (VDC): 20.4 Usage:Description: Wire Type Ohms/1000ft Length 1-Way Actual Ohms Max Load (amps)Volts @ EOL Min Volts Req'd #12 Solid 2.01 0.000 0.153 20.40 16 Qty Lookup Type Each Total Each Total 1 PG2RKLED 0.000000 0.000000 0.153000 0.153000 Total Standby:0.00000 Total Alarm: 0.15300 I/O Circuit Configuration & Voltage Drop 1/16/2026 I/O 1 MAX Circuit Current (amps): 1 Source Voltage Used (VDC): 20.4 Usage:Description: Wire Type Ohms/1000ft Length 1-Way Actual Ohms Max Load (amps)Volts @ EOL Min Volts Req'd #12 Solid 2.01 0.000 0.000 20.40 16 Qty Lookup Type Each Total Each Total Total Standby:0.00000 Total Alarm: 0.00000 I/O 2 MAX Circuit Current (amps): 1 Source Voltage Used (VDC): 20.4 Usage:Description: Wire Type Ohms/1000ft Length 1-Way Actual Ohms Max Load (amps)Volts @ EOL Min Volts Req'd #12 Solid 2.01 0.000 0.000 20.40 16 Qty Lookup Type Each Total Each Total Total Standby:0.00000 Total Alarm: 0.00000 Standby (amps) NAC CKT 1 Standby (amps)Alarm (amps) KENWORTH Circuit Devices Standby (amps) Alarm (amps) User can add devices on the fly Circuit Devices (No lookup function) User can add devices on the fly to these bottom rows Notification Circuit Devices Descrption Description Description Alarm (amps) to these bottom rows (No lookup function) HORN/STROBE 75CD WEATHERPROOF HORN/STROBE Notification Description KENWORTH NAC CKT 1 Standby (amps)Alarm (amps)Circuit Devices Potter Electric Signal (C)2022 3 of 3 AFC-50 Battery and Voltage Drop Calculation