LED power supply 24V 400W ERPF-400-24 400W 24V 16.67A

MEAN WELL Brand – Professional Switched-Mode Power Supplies

MEAN WELL is a global leader in the production of switched-mode power supplies, known for its reliability, high quality, and wide range. This brand's products are widely used in industry, automation, LED systems, and illuminated advertising. MEAN WELL power supplies meet international safety and quality standards, ensuring stable operation even in demanding applications.

General Description of the ERPF-400-24 Power Supply

ERPF-400-24 is a professional 400W switching power supply with a 24V DC output voltage, designed for installation in LED installations, automation, and industrial systems. It features a perforated metal housing that enables efficient passive cooling without a fan. The power supply is equipped with an active PFC function, a wide input voltage range and the ability to adjust the output voltage in the range of 21.6–26.4V. It is designed for use in dry and indoor environments, e.g., in technical cabinets, switchboards, or industrial buildings.

Main Features of the ERPF-400-24 Power Supply

• Stabilized output voltage 24V DC, adjustable 21.6–26.4V
• Output power: 400W, current up to 16.7A
• Universal input voltage: 90–264VAC / 127–370VDC
• High efficiency: up to 90%
• Active PFC (Power Factor Correction)
• Metal, perforated housing – passive cooling (no fan)
• Protection: short circuit (SCP), overload (OLP), overvoltage (OVP), thermal (OHP)
• Operation indication: LED
• Output voltage adjustable +/- 10%
• Dimensions: 220.4 x 130 x 48 mm
• Weight: approx. 1.1 kg
• 3-year manufacturer's warranty
• Compliance with standards: UL60950-1, EN62368-1, CE, RoHS

Applications of the ERPF-400-24 power supply

The ERPF-400-24 power supply is ideal for powering LED lighting systems (stripes, modules, panels), advertising displays, home automation, and industrial, alarm systems, CCTV, and other electronic devices requiring a stable 24V DC voltage. Its robust design and wide operating temperature range make it suitable for installation in harsh industrial and commercial environments. It is not hermetic or waterproof – it is intended for operation in a dry environment, inside enclosures or rooms.

ERPF-400-24 Technical Specifications

Frequently Asked Questions (FAQ) about the ERPF-400-24

• Is the ERPF-400-24 hermetic or waterproof? No, the IP20 rating means that the power supply is intended for installation inside enclosures or dry rooms.
• What protection does this power supply have? Short circuit, overload, overvoltage, and thermal protection.
• What applications is it recommended for? Is the ERPF-400-24 available? LED lighting, advertising, automation, alarm systems, CCTV, 24V DC device power supply.
• What are the dimensions and mounting method? Dimensions: 220.4 x 130 x 48 mm, flush mounting, connection via screw terminals.
• How long is the warranty? 3 years from the production date.
• Can the output voltage be adjusted? Yes, within the range of 21.6–26.4V (approx. +/- 10%).
• Is the power supply quiet? Yes, passive cooling without a fan.
• What are the operating conditions? Temperature: -30°C to +70°C, humidity: 20–90%.