Bosch PRAESENSA, Руководство по установке

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PRAESENSA Multifunction power supply, large | PRA-MPS3 | en 127
Bosch Security Systems B.V. Installation manual 2019.11 | V1.00 |
Power transfer
Active mode, all outputs loaded
Per active port
Per active SFP port
<1000 W
0.4 W
0.7 W
Lifeline / power save interface
Audio level (100 V / 70 V mode)
Frequency response (+0 / -3 dB)
Signal to Noise Ratio (SNR)
0 dBV / -6 dBV
200 Hz to 15 kHz
90 dBA
EN 54‑4 related information
Maximum battery capacity 230 Ah
Lowest discharge voltage 9 V
Continuous output current
(I max. a / I max. b / I min.)
48 VDC outputs (1-3)
24 VDC output
PoE output (1-2)
Lifeline DC outputs (1-3)
5.5 A / 5.5 A / 0 A
0.7 A / 0.7 A / 0 A
0.3 A / 0.3 A / 0 A
0.7 A / 0.7 A / 0 A
Output voltage range
48 VDC outputs (1-3)
24 VDC output
PoE output (1-2)
Lifeline DC outputs (1-3)
46 to 50 V
23 to 25 V
44 to 57 V
9 to 18 V
Maximum impedance of battery circuit
230 Ah battery
180 Ah battery
140 Ah battery
100 Ah battery
7.1 mohm
8.6 mohm
9.8 mohm
11.0 mohm
Control interface
Control input contacts (1-8)
Principle
Galvanic isolation
Supervision
Contact closed
Contact open
Cable fault detection
Minimum hold time
Maximum voltage to ground
Contact closure
No
Resistance
measurement
8 to 12
kohm
18 to 22 kohm
<2.5 kohm / >50 kohm
100 ms
24 V
Control output contacts (1-8)
Principle
Galvanic isolation
Contact switch over
(Relay SPDT)
Yes