MEAN WELL SDR-240-24 240W 24V DIN Rail Power Supply - Reliable

In this review the MEAN WELL SDR-240-24 is examined as a compact, DIN rail mounted industrial power supply aimed at control panels and automation installations that need a dependable 24V source. The bottom line: this unit is for technicians and system integrators who want a high-efficiency 240W supply with built-in PFC and industrial approvals, making it a practical choice when reliability and low heat dissipation matter. The review focuses on installation, safety features, and electrical performance in typical panel environments.

Key Features

• DIN rail ready: Installs cleanly on TS-35/7.5 or 15 rails to save cabinet space and simplify wiring.
• High efficiency: 94 percent efficiency reduces waste heat and helps maintain lower cabinet temperatures under continuous load.
• Built-in PFC: Power factor correction and PF>0.93 improve mains compatibility and reduce reactive current draw.
• 150% peak capability: The 150 percent peak load allowance handles short inrush or transient demands without immediate shutdown.
• Comprehensive protections: Integrated short circuit, overload, over voltage and over temperature protection help safeguard connected equipment.
• Industrial approvals: UL 508 approval and EN61000-6-2 immunity level ensure it meets industrial safety and immunity expectations.

Who It's For

The SDR-240-24 is best suited for industrial electricians, OEMs and control panel builders who require a robust 24VDC power supply that mounts on standard DIN rails and meets recognized industrial standards. Its high efficiency and PFC make it a good fit for continuous operation in machinery, factory automation, and distribution cabinets where thermal management and power quality matter.

Customers who need compact low-voltage battery chargers, single-board computer supplies, or hobbyist bench supplies should consider whether the industrial approvals and form factor align with their needs; lighter-duty consumer electronics may be over-specified for this module.

Pros & Cons

Pros

• High 94 percent efficiency keeps power dissipation low in enclosed panels.
• Built-in PFC and PF>0.93 reduce mains distortion and improve compatibility with industrial power systems.
• 150 percent peak load capability provides headroom for short start-up currents or transient loads.
• UL508 and EN61000-6-2 approvals support industrial installation requirements.

Cons

• At 240W and DIN rail form factor, it is larger and more industrial than typical consumer power adapters.
• Documentation and configuration assume some electrical experience; not aimed at casual users without panel wiring skills.

Specifications

Model	SDR-240-24
Output Power	240W
Output Voltage	24VDC
Output Current	10A
Mounting	DIN rail TS-35/7.5 or 15
Efficiency	Up to 94%
Certifications	UL 508, EN61000-6-2 immunity

Our Verdict

The MEAN WELL SDR-240-24 is a solid choice for professionals who need a reliable, efficient DIN rail power supply for industrial control panels. Its combination of high efficiency, built-in PFC, protection features and recognized approvals offers strong value for automation and OEM applications where uptime and thermal performance are important.

Frequently Asked Questions

Can this unit be mounted on a standard DIN rail?
Yes, it is designed for TS-35/7.5 or TS-35/15 DIN rails used in industrial panels.

Does it support short inrush currents?
Yes, the supply allows 150 percent peak load capability to handle short transient demands.

What protections are included?
It includes short circuit, overload, over voltage and over temperature protections for safe operation.