| Mains to DC converter | Diode |
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| DC to DC converter | Fuse Battery charger |
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| Front view | Battery temperature sensor 48 Vdc output A‑B (1‑3, to amplifier 1‑3) 1 48 V 48 Vdc amplifier power supply A‑B (1‑3) Audio lifeline / Power‑save (1‑3, to amplifier |
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| Power on | Green 1‑3) |
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| Fault | Yellow 24 Vdc auxiliary power supply A‑B |
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| Control input 1‑8 | 1 |
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| Device fault present | Yellow Control output 1‑8 1 |
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| Network link to system controller present | Green |
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| Network link lost | Yellow 24 Vdc output A‑B |
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| Battery status | (to system controller) |
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| Full (float charging) | Green |
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| Charging (bulk or absorption charging) | Green Network port 1‑5 1 |
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| blinking | (port 1 and 2 with PoE) |
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| Mains present | Green |
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| Mains fault | Yellow Network port 6 (SFP, e.g. for PRA-SFPLX or 6 |
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| Rear view | PRA-SFPSX) Chassis ground Architects & Engineers specification - PRA-MPS3 |
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| Rear panel indicators | The IP‑networked multifunction power supply shall be designed exclusively for use with Bosch PRAESENSA 100 Mbps network Yellow systems. The multifunction power supply shall contain 1 Gbps network Green four independent mains power supplies with power |
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| Device in identification mode | Green to power up to three 600 W amplifiers and to power a |
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| Rear panel controls | power source for all connected loads in case of mains failures. Failover to the backup battery shall be |
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| Device reset (to factory default) | Button without interruption of output power. It shall use a single 12 V VRLA backup battery to eliminate the need |
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| Rear panel connections | for battery balancing, while maximizing battery lifetime and power density. The multifunction power supply |
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| Mains input with fuse | shall have eight general purpose control inputs with connection supervision and eight voltage free control outputs. The multifunction power supply shall provide an interface for control data and to receive a backup Battery 12 Vdc audio channel over OMNEO using an integrated 6‑port CF8/100A Ethernet switch for redundant network connections, supporting RSTP and loop‑through cabling. Two ports shall |
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| Input voltage range | 115 to 240 Vrms |
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| Input voltage tolerance | 102 to 264 Vrms |
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| Europe | EN 54‑16 Frequency range 50 to 60 Hz |
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| Inrush current | < 20 A |
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| International | ISO 7240‑16 Power factor (PF) 0.9 to 1.0 |
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| Leakage current to safety ground | < 0.75 mA (120 V), |
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| Environmental directive compliancy | < 1.5 mA (240 V) |
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| Safety | EN/IEC/CSA/UL 62368‑1 Battery power supply input |
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| Nominal DC input voltage | 12.6 V |
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| Immunity | EN 55103‑2 (E1, E2, E3) |
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| DC input voltage tolerance | 9 to 15 V EN 50130‑4 |
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| Maximum current | 90 A |
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| Emissions | EN 55032 Under-voltage protection <9V EN 61000‑6‑3 Battery charger ICES‑003 |
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| Nominal charging current | 8.5 A ANSI C63.4 |
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| Nominal float voltage | 13.5 V FCC‑47 part 15B class A |
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| Float voltage control | -21.9 mV/°C |
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| Maritime | IEC 60945 (excluding salt mist test) Temperature sensor NTC 10 kohm / β = 3984 K |
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| DNV Type approval | Charging temperature range -15 to 50 °C |
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| Railway | EN 50121‑4 48 Vdc outputs (1‑3) |
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| Nominal DC output voltage | 48 V |
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| Conformity declarations | Maximum continuous current 4.7 A |
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| Maximum peak current | 6.9 A |
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| USA/Canada | FCC/c-UL/CSA Nominal DC output voltage 24 V |
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| Maximum continuous current | 0.7 A |
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| China | CCC Maximum peak current 1.0 A |
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| Korea | KE Power save DC outputs (1‑3) |
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| Australia | RCM Nominal DC output voltage 18 V |
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| Taiwan | BSMI Maximum peak current 1.0 A |
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| Russian Federation | EAC Power over Ethernet (PoE 1‑2) |
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| Environment | RoHS Standard IEE802.3af (mode B) |
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| Maximum PD load | 12.95 W |
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| Quantity | Component |
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| Power transfer | Control interface |
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| 功耗 | Galvanic isolation Yes |
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| Load condition | 3 x PRA‑AD60x Maximum contact voltage 110 Vdc, 125 Vac 1 x PRA-SCL Maximum contact current 1A 1 x PRA‑CSLx Maximum voltage to ground 500 V 2 x PRA-CSE |
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| Mains powered | Supervision |
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| Active mode, idle | 230 W Battery Disconnect |
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| Active mode, rated power | 840 W Short circuit |
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| Battery powered | Charging state |
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| Snooze mode | 46 W Impedance |
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| Power supplies | Input voltages |
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| Heat loss | Converter voltages |
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| Idle condition | 432 kJ/h (410 Btu/h) |
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| Temperature | Per section |
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| Rated power condition | 480 kJ/h (454 Btu/h) |
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| Lifeline / power save interface | Network interface Link presence |
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| Audio level (100 V / 70 V mode) | 0 dBV / -3 dBV |
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| Bandwidth (-3 dB) | 200 Hz to 15 kHz Network interface |
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| Signal to Noise Ratio (SNR) | 90 dBA |
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| Ethernet | 100BASE‑TX, 1000BASE‑T |
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| Protocol | TCP/IP |
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| Control input contacts (1-8) | Redundancy RSTP |
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| Principle | Contact closure |
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| Galvanic isolation | No Audio/control protocol OMNEO |
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| Supervision | Resistance Network audio latency 1 ms |
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| measurement | Audio data encryption AES128 |
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| Contact closed | 8 to 12 kohm Control data security TLS |
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| Contact open | 18 to 22 kohm |
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| Cable fault detection | 0 to 2.5 kohm / Ports |
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| >30 kohm | RJ45 5 (2 with PoE) |
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| Minimum hold time | 100 ms SFP 1 |
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| Maximum voltage to ground | 24 V |
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| Environmental | Mechanical |
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| Climatic conditions | Enclosure |
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| Operating | -5 to +50°C With mounting brackets 483 x 88 x 400 mm (23 to 122°F) (19 x 3.5 x 15.7 in) |
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| Storage and transport | -30 to +70°C Rack unit 19 in, 2U (-22 to 158°F) |
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| 防護等級 | IP30 |
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| Humidity (non condensing) | 5% to 95% Case |
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| Air pressure (operating) | 560 to 1070 hPa Material Steel |
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| 顏色 | RAL9017 |
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| Altitude (operating) | -500 to +5000 m (-1640 to 16404 ft) Frame |
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| 材質 | Zamak |
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| Vibration (operating) | Color RAL9022HR |
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| Amplitude | < 0.7 mm |
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| Acceleration | <2G Weight 11.8 kg (26 lb) |
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| Bump (transport) | < 10 G Ordering information |
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| Airflow | PRA-MPS3 Multifunction power supply, large Power supply with battery charger for up to three |
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| Fan airflow | Front to sides/rear amplifiers and a controller, with integrated network |
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| Fan noise | switch and control inputs and outputs. |
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| Idle condition, 1 m distance | < 30 dBSPLA Order number PRA-MPS3 |
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| Rated power, 1 m distance | < 50 dBSPLA Reliability |
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| MTBF | > 1,000,000 h |
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| Europe, Middle East, Africa: | Germany: North America: Asia-Pacific: |
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| Bosch Security Systems B.V. | Bosch Sicherheitssysteme GmbH Bosch Security Systems, Inc. Robert Bosch (SEA) Pte Ltd, Security Systems |
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| P.O. Box 80002 | Robert-Bosch-Ring 5 130 Perinton Parkway 11 Bishan Street 21 |
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| Phone: + 31 40 2577 284 | Germany Phone: +1 800 289 0096 Phone: +65 6571 2808 |
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| emea.securitysystems@bosch.com | www.boschsecurity.com Fax: +1 585 223 9180 Fax: +65 6571 2699 |
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| emea.boschsecurity.com | onlinehelp@us.bosch.com apr.securitysystems@bosch.com |
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| www.boschsecurity.us | www.boschsecurity.asia |
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