Instruction manual

SP40/2 BATTERY CALCULATION SHEET

STANDBY CURRENT CALCULATIONS

1. The Standby Current for the SP40/2 is 0.125 Amps.

Amps

2. Enter Auxiliary Current (if Applicable)

Amps

3. Add Steps 1 and 2. Multiply by the number of hours required.

24 Hours - Multiply By 24

60 Hours - Multiply By 60

TOTAL STANDBY CURRENT IN AMP HOURS. Ah

ALARM CURRENT CALCULATIONS

NOTE: DO NOT EXCEED 40 WATTS.

Good engineering practices call for amplifier to operate at 85% Max wattage.

1. List the speaker and strobe requirements.

NOTFICATION SPEAKER STROBE

APPLIANCE WATTAGE CURRENT

2. Calculate total Strobe current. (2 Amps Max.)

Amps

3. Calculate total speaker wattage.

4. Multiply the total speaker wattage by 0.040 (40 Watts Max.)

Amps

5. Add Auxiliary Power (if applicable)

Amps

6. Add Steps 2, 4 and 5 together.

Amps

7. Multiply Step 6 by 0.25. (This represents 15 minutes of alarm.)

Total Alarm Current in Amp-hours. (4.30 Amps Max.)

BACKUP BATTERY REQUIREMENTS

1. Enter

Standby Current.

2. Enter Alarm current

3. Add Steps 1 and 2 together.

Multiply Step 3 by 1.25 for minimum Backup Battery Requirements.

NOTE: THE UL LISTED BACKUP BATTERIES FOR THIS PANEL IS TWO 12 VOLT, 12 AMP-HOUR.