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BOSCH PRS-48CH12 MAT/N F01U214759 – Voice Alarm 48V Battery Charger

Product Overview

The BOSCH PRS-48CH12 MAT/N F01U214759 is a dedicated 48V battery charger engineered for Bosch voice alarm and public address systems. Designed for continuous standby operation, it ensures reliable power availability for life-safety voice evacuation systems. The charger delivers stable, regulated DC output and intelligent battery management to maintain optimal battery condition and system readiness under all operating conditions.

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Key Product Parameters

Parameter	Description
Model	PRS-48CH12
Material Number (MAT/N)	F01U214759
Function	48V Battery Charger for Voice Alarm Systems
Rated Output Voltage	48 VDC
Rated Output Current	12 A
Battery Type Supported	Lead-acid (sealed / maintenance-free)
Charging Mode	Automatic multi-stage charging
Power Supply Input	AC mains (wide input range)
Efficiency	High-efficiency regulated output
Protection	Overvoltage, overcurrent, short-circuit, thermal
Cooling Method	Forced air cooling
Installation Type	Rack or cabinet mounting
Operating Temperature	0°C to +40°C
Compliance	Designed for life-safety voice alarm systems
Origin	Germany

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Product Datasheet Summary

Item	Specification
Output Voltage Stability	±1%
Charging Regulation	Constant current / constant voltage
Battery Monitoring	Automatic battery status supervision
Alarm Signaling	Charger fault and battery fault outputs
Electrical Isolation	Reinforced isolation for safety
MTBF	High, suitable for 24/7 operation
Mechanical Design	Industrial-grade metal enclosure

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Product Introduction

The BOSCH PRS-48CH12 battery charger is a critical power component within Bosch voice alarm infrastructures. It is designed to maintain and recharge 48V battery banks that support emergency voice evacuation systems during mains power failure. With its intelligent charging algorithm, the charger maximizes battery lifespan while ensuring rapid recovery after discharge events.

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Applications

The PRS-48CH12 is widely used in:

• Voice alarm and evacuation systems
• Public address and emergency notification systems
• Commercial buildings and high-rise facilities
• Transportation hubs (airports, rail stations)
• Industrial plants and warehouses
• Hospitals, shopping malls, and public venues

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Operation & Usage Instructions

1. Installation:
   Mount the charger securely in a rack or control cabinet with adequate ventilation.
2. Electrical Connection:
   Connect AC input power and wire the 48V battery bank according to system design.
3. Charging Process:
   The charger automatically regulates current and voltage, adapting to battery condition.
4. Monitoring:
   System indicators provide real-time charger and battery status information.
5. Maintenance:
   Periodically inspect battery connections and ventilation paths to ensure reliable operation.

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Technical Description

The PRS-48CH12 utilizes advanced power electronics to deliver precise DC output for critical battery systems. Its multi-stage charging logic prevents overcharging, minimizes battery stress, and ensures full capacity availability during emergency situations. Integrated protection mechanisms guard against electrical faults, while continuous monitoring ensures compliance with safety-critical system requirements.

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Recommended BOSCH Voice Alarm & Power Modules

No.	Model	Description
1	PRS-4P500	Power Amplifier 500 W
2	PRS-4P250	Power Amplifier 250 W
3	PRS-4PSU	Power Supply Unit
4	PRS-48CH12	48V Battery Charger
5	PRS-4DPA	Digital Power Amplifier
6	PRS-4MPS	Main Power Supply
7	PRS-4OMI	Open Media Interface
8	PRS-4RCP	Remote Call Panel
9	PRS-4CST	System Controller
10	PRS-4SAS	Standby Amplifier Switch
11	PRS-4EXP	System Expander
12	PRS-4DPM	Digital Power Module
13	PRS-4LSP	Loudspeaker Processor
14	PRS-4BAT	Battery Supervision Module
15	PRS-4ZCM	Zone Control Module
16	PRS-4DSP	Digital Signal Processor
17	PRS-4NET	Network Interface Module
18	PRS-4EVAC	Emergency Voice Module
19	PRS-4AMP	Backup Amplifier
20	PRS-4CTRL	System Control Unit

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For sourcing, technical assistance, and system integration support, visit:
👉 https://www.dcsplcsystem.com

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One year warranty, special discount after sale

The company focuses on DCS, PLC, robot, large servo four systems

The main products are all kinds of module/card, controller, touch screen, servo drive

The company’s advantages: the supply of imported original products, professional production of accessories

Fast delivery time, complete supply, The seller has more than $1526000 worth of industrial control products inventory

We Can transport to the world！！！

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[service contact information]

 

Purchase and consultation hotline: +8613365909307 (Whatsapp/ Wechat)

E-mail: dcsplcsales@gmail.com

Contact Person: Simon

① 24-hour email reply (12 hours);

② For shipment to countries outside Asia, please contact the seller.