24V - 12A Bosch PLN-24CH12 Power Supply

Bosch PLN-24CH12 24V - 12A Power Supply

The Bosch PLN-24CH12 24V - 12A Power Supply is a device that provides power and charges backup batteries for public address systems and emergency sound systems, ensuring continuous operation even during power outages. This device can supply 24V DC voltage and a charging current of up to 12A, making it ideal for systems requiring stable and highly reliable power.

Key Features:

High Power and Performance

• Provides 24V DC power with a charging current of up to 12A, meeting the power needs of large systems such as fire alarms, security cameras, and other devices requiring stable power supply.

Multi-layer Protection

• Overload, overvoltage, and short-circuit protection: The device is equipped with safety mechanisms to protect both the power supply and connected devices.
• Automatic shutdown during faults: When an overload or short circuit is detected, the power supply will automatically shut down to prevent damage to the equipment.

Backup Battery Charging Function

• In addition to providing direct power, the device also features a backup battery charging function with a standby current of up to 150A. This ensures that the system continues to operate even during power outages, preventing interruptions in critical systems like security and fire alarms.

Flexible Output Options

• 6 main outputs of 24VDC, 40A and 3 auxiliary outputs of 24VDC, 5A, providing flexibility in powering multiple devices.

Safety Certification

• Fully monitored and certified according to EN 54-4, an international standard for fire alarm systems, ensuring high safety and reliability.

Specifications

Electrical Specifications:

• Input Voltage: 195 to 264 VAC, 50 to 60Hz
• Input Current (PLN-24CH12): 2A
• Power Consumption: 380 W maximum
• Voltage Min. (Auto Shutdown): 21.6 VDC
• Voltage Max.: 28.5 VDC
• Max Charge Current: 12 A
• Max System Current (Ib): 150 A

Battery-Related:

• Battery Voltage: 24 or 48 VDC
• System Current: 40 A
• Charge Current: 5 A

Contact Ratings:

• Rating: 24 V/1 A, 120VAC/500 mA (voltage-free)
• Contacts: Normally energized (failsafe)

Physical Characteristics:

• Dimensions (H x W x D): 88 x 483 x 340 mm (19" rack, 2U height)
• Input Connections: Screw terminal (connect to battery)
• Output Connections: 10 x pluggable screw connector (connect to system)
• Weight: Approx. 6 kg
• Mounting: 19” rack
• Color: Charcoal with silver

Environmental:

• Relative Humidity: <95% (operating and storage)
• Operating Temperature: -5 ºC to +45 ºC (23 ºF to +113 ºF)
• Storage & Transport Temperature: -25 ºC to +85 ºC (-13 ºF to +185 ºF)

Datasheet/Technical Document