1.15Max. Load Currents

1.16Backup Battery Calculation

•The following table is used to calculate the standby battery capacity required by NFPA when using the DS7400Xi:

Max. Load Currents

 

Standby

Alarm

 

 

 

 

 

UL Installations

 

1.5 A

2.5 A

 

Maximum Current By Output:

 

Not to exceed the maximum load currents listed above in Standby or Alarm

Aux. Power & Keypad (Combined)

1.0 A

1.0 A

Option Power

1.0 A

1.0 A

 

 

 

Bell Output

X

1.75 A

 

 

 

Programmable Output 2

500 mA

500 mA

Loop Power +

500 mA

500 mA

 

 

 

Device

Quantity

Standby Current

Total Standby

Alarm Current

Total Alarm

 

 

per Device

Current

per Device

Current

 

 

 

(Quantity x Standby

 

(Quantity x Alarm

 

 

 

Current per Device)

 

Current per Device)

DS7400Xi (4+) Control Panel

1

175 mA

175 mA

250 mA

250 mA

DS7416i Advanced Radio Communications Module

 

127 mA

 

127 mA

 

DS7412 - RS232 Serial Interface Module

 

35 mA max.

 

35 mA max.

 

DS7420i -Dual Phone Line/Bell Supervision Module

 

20 mA

 

140 mA

 

DS7430 – Multiplex Expansion Module

 

65 mA

 

65 mA

 

DS7432 – 8-Input Remote Module

 

10 mA

 

10 mA

 

DS7433 – 8-Input Direct Module

 

65 mA

 

80 mA*

 

DS7436 – Dual Multiplex Expansion Module

 

130 mA

 

130 mA

 

DS7445/DS7445i Keypad

 

75 mA

 

75 mA

 

DS7447/ DS7447E Keypad

 

100 mA

 

100 mA

 

DS7448 Keypad

 

80 mA

 

100 mA

 

DS7450, DS7452, DS7455 Contact Points

 

350 μA

 

350 μA

 

DS7457 – Single Zone Multiplex Input Module

 

350 μA

 

350 μA

 

DS7460 – Dual Zone Module

 

1 mA

 

1 mA

 

DS7465 – Input/Output Module

 

1 mA

 

1 mA

 

DS7480 – Bell Supervision Module

 

7 mA

 

50 mA

 

DS7481 – Single Phone Line Monitor

 

20 mA

 

20 mA

 

DS7488 – Octal Relay Module**

 

10 mA + 40 mA**

 

10 mA + 40 mA**

 

DS7489 – Solid State Output Module

 

10 mA

 

750 mA max.***

 

MX280 Series Multiplex Smoke Detectors

 

500 μA

 

560 μA

 

MX540 (DS7473) PIR Detector

 

800 μA

 

800 μA

 

MX835 TriTech® PIR/Microwave Detector

 

6 mA

 

35 mA

 

MX775 (DS7470) PIR Detector

 

200 μA

 

200 μA

 

MX794 (DS7474) PIR Detector

 

800 μA

 

800 μA

 

MX934 (DS7471) PIR Detector

 

200 μA

 

200 μA

 

MX938 (DS7472) PIR Detector

 

200 μA

 

200 μA

 

MX950 (DS7476) TriTech® PIR/Microwave Detector

 

6 mA

 

35 mA

 

RF3222 Wireless Receivers

 

30 mA

 

30 mA

 

2-Wire Smoke Detectors

 

 

 

 

 

4-Wire Smoke Detectors

 

 

 

 

 

Bells, Horns, etc.

 

 

 

 

 

Other Sensors

 

 

 

 

 

Other

 

 

 

 

 

 

 

Grand Total

 

Grand Total

 

* = Add 15 mA for each additional zone in alarm.

**= When calculating Standby and Alarm Current for the Octal Relay Module, use 10 mA plus 40 mA for each activated relay.

***= Maximum current draw if using the DS7400Xi Panel power supply. Total of all outputs cannot exceed 750 mA.

1.17Standby Current Load

•Battery Ah - (20% Storage + 0.375 Ah Alarm)

•The following table is the derated battery divided by hours minus the control standby (175 mA):

Rechargeable

 

Max. Standby

 

Max. Standby

 

Max. Standby

 

Max. Standby

 

Max. Standby

 

Max. Standby

 

Max. Standby

Battery Size

 

for 4 hours

 

for 8 hours

 

for 24 hours

 

for 48 hours

 

for 60 hours

 

for 72 hours

 

for 80 hours

7 Ah

 

1.0 A

 

470 mA

 

X

 

X

 

X

 

X

 

X

8 Ah

 

1.2 A

 

580 mA

 

X

 

X

 

X

 

X

 

X

14 Ah

 

1.5 A

 

1.1 A

 

270 mA

 

X

 

X

 

X

 

X

15 Ah

 

1.5 A

 

1.2 A

 

300 mA

 

X

 

X

 

X

 

X

17.2 Ah

 

1.5 A

 

1.5 A

 

380 mA

 

100 mA

 

X

 

X

 

X

21 Ah

 

1.5 A

 

1.5 A

 

500 mA

 

160 mA

 

100 mA

 

X

 

X

28 Ah

 

1.5 A

 

1.5 A

 

740 mA

 

280 mA

 

190 mA

 

130 mA

 

100 mA

30 Ah

 

1.5 A

 

1.5 A

 

800 mA

 

310 mA

 

210 mA

 

150 mA

 

120 mA

35 Ah

 

1.5 A

 

1.5 A

 

970 mA

 

400 mA

 

280 mA

 

200 mA

 

170 mA

DS7400Xi ( 4+) Reference Guide

Copyright © 2007 Bosch Security Systems, Inc.

P/N: F01U035325-01 Page 5

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Bosch Appliances DS7447E, DS7445I, DS7400XI manual 15 Max. Load Currents Backup Battery Calculation, Standby Current Load
Page 4 Page 6

DS7445I, DS7447, DS7400XI, DS7447E specifications

Bosch Appliances offers a range of state-of-the-art home solutions, with models like the DS7447, DS7400XI, DS7445I, and DS7447E showcasing advanced technology and innovative design. Each of these models reflects Bosch's commitment to quality, efficiency, and user convenience.

The Bosch DS7447 is designed for the modern kitchen. This model features a fully integrated design, allowing it to blend seamlessly into any cabinetry. With a spacious capacity, it accommodates various cooking needs, ensuring every home chef has ample room. Its intuitive control panel simplifies operation, allowing users to select temperature settings with ease. The energy-efficient technology contributes to lower utility bills while still delivering outstanding performance.

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In conclusion, Bosch Appliances' DS7447, DS7400XI, DS7445I, and DS7447E each offer unique benefits tailored to meet various needs. With exceptional quality, advanced technologies, and user-centered designs, Bosch continues to position itself as a leader in the home appliance market.
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