Power Adapter MEAN WELL NPB-240-12TB 240W Indoor Black

The MEAN WELL NPB-240-12TB 240W Indoor Black power adapter is a compact, enclosed DC power supply designed for universal indoor applications. It accepts a wide AC input voltage range and provides a stable 12V DC output with up to 240 watts of continuous power. The adapter's black enclosure and compact footprint (96 mm × 180 mm × 49 mm) make it suitable for installation in equipment racks, control cabinets, retail displays and other confined indoor spaces where reliable low-voltage power is required.

Advantages

This MEAN WELL adapter offers wide input voltage compatibility, ensuring operation from both low and high AC mains. Its compact dimensions and enclosed housing support neat integration into systems where space is limited. The unit delivers regulated DC output with sufficient power for multiple devices and includes built-in protections typical of professional power supplies to enhance longevity and safety. The neutral black finish blends with most installations.

Suitable for

• Industrial control panels and automation equipment
• Network or communication devices requiring 12V DC
• Retail displays, point-of-sale systems and signage
• Embedded systems, instrumentation and test equipment

Key specifications

• Output voltage: 12 V DC
• Maximum output power: 240 W
• Input voltage range: 90–264 V AC
• Enclosure: indoor, enclosed housing
• Dimensions (W×D×H): 96 mm × 180 mm × 49 mm

How to use

Mount the adapter in a well-ventilated indoor location and secure it according to the installation requirements of the hosting equipment. Connect the AC input to a properly rated mains supply within the specified 90–264 V range, observing correct wiring and grounding practices. Connect the 12V DC output to your load, ensuring the combined current draw does not exceed the adapter's rated power. Allow adequate clearance around the unit for heat dissipation and follow local electrical codes during installation.

Recommendations

For reliable operation, avoid exposing the adapter to moisture, excessive dust or temperatures outside the manufacturer's specified operating range. Use proper fusing on the AC input and consider surge protection in environments with unstable mains. Periodically inspect connections for secure contact and clean ventilation paths to prevent overheating.