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Mean Well NDR-120-24 AC/DC 24V 5A 120W Industrial DIN Rail Power Supply Single Output Provided by KAINSC Products
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AI Verdict
A 120W, 24V, 5A DIN rail power supply with 88% efficiency and UL 508 certification for industrial control equipment.
This power supply is a strong fit for its intended use in industrial control equipment and devices, offering a regulated 24V, 5A output with essential protections and UL 508 approval. Its DIN rail form factor and wide input voltage range make it highly adaptable for various industrial setups.
If you need more advanced monitoring or higher power output, look for models with digital interfaces or higher wattage ratings.
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Pros
- Provides 24V output at 5A, delivering 120W of power.
- Features universal AC input from 90-264VAC and DC input from 127-370VDC, making it adaptable to various power sources.
- Includes protections against short circuit, overload, over voltage, and over temperature.
- Achieves an 88% efficiency rating, reducing energy waste.
- UL 508 approved for industrial control equipment, ensuring safety and compliance.
- Designed for DIN rail TS-35/7.5 or TS-35/15 mounting, allowing for space-saving installation in cabinets.
Cons
- Does not include a power cord, which must be purchased separately.
- Cooling relies solely on free air convection, which might require adequate cabinet ventilation for optimal performance.
- Output voltage trimming is done via a potentiometer, not a digital interface.
- Lacks advanced diagnostic features or digital monitoring capabilities found in higher-end industrial power supplies.
Dimension Scores
Achieves 88% efficiency and provides a stable 24V, 5A output, which is competitive for its category.
Cooled by free air convection, meaning it operates silently without a fan.
Features a metal housing for enhanced power dissipation and holds UL and CE certifications.
Uses terminal blocks for connections, which is standard for DIN rail power supplies, but requires manual wiring and no pre-attached cables.
Best For
- Powering industrial control equipment requiring a stable 24V, 5A supply.
- Integration into machinery and industrial devices needing DIN rail mounting.
- Applications where UL 508 compliance is a requirement for safety and regulatory standards.
Not Recommended For
- Installations requiring advanced digital monitoring or remote control of power output.
- Environments with poor air circulation where passive cooling might be insufficient.
- Users expecting a plug-and-play solution without needing to source a separate power cord.
Watch Out For
- A power cord is not included with the unit and needs to be purchased separately.
- Cooling is by free air convection, so ensure adequate cabinet ventilation to prevent overheating, especially at higher ambient temperatures up to 70°C.
- The output voltage adjustment is a physical potentiometer, not a digital control, which can be less precise or convenient for fine-tuning.
Full Specifications
| ASIN | B0C6STVR3M |
| Brand | KAINSC PRODUCTS KAWAGUCH INDUSTRIAL SCIENTIFIC |
| Wattage | 120.00 |
| Form Factor | DIN Rail |
| Item Weight | 1.29 pounds |
| Manufacturer | MEAN WELL ENTERPRISES CO., LTD. |
| Connector Type | Barrel Connector |
| Cooling Method | Air |
| Current Rating | 5 Amps |
| Output Wattage | 120 Watts |
| Item model number | NDR-120-24 |
| Compatible Devices | Industrial Control Equipment, Machinery, Industrial Devices |
| Product Dimensions | 4.47 x 1.57 x 4.93 inches |
| Maximum Input Voltage | 264 Volts (AC) |
| Item dimensions L x W x H | 4.47 x 1.57 x 4.93 inches |
What Buyers Say
Specific user complaints for the ASIN B0C6STVR3M were not found in searches. However, based on the product's specifications, it appears to be a straightforward industrial power supply. It offers standard protections and a decent efficiency for its price point, making it a functional choice for basic industrial power needs. The lack of an included power cord is a consistent detail across similar products.
“Needed a basic 24V supply for my PLC, this thing just works, but seriously, no power cord in the box? Had to dig one up.”
Common Praise
- Provides a consistent 24V output for connected devices.
- Compact 40mm width saves space inside control cabinets.
- Easy to install on standard TS-35/7.5 or TS-35/15 DIN rails.
- Operates without a fan, contributing to a quiet environment.
- UL 508 certification meets industrial safety standards.
Common Complaints
- No power cord included, requiring a separate purchase.
- Lacks advanced features like digital displays or network monitoring.
- Output voltage adjustment is a manual potentiometer, not a digital control.
Ownership Tips
- The metal housing helps with heat dissipation, but ambient temperature still matters for long-term stability.
- The terminal block connections are secure once wired, but take a bit more effort than plug-and-play.
- The slim design is genuinely helpful for tight cabinet spaces.
- The potentiometer for voltage adjustment is small and requires a screwdriver, so set it once and leave it.
Frequently Asked Questions
What is the output voltage and current of this power supply?
This power supply provides a single output of 24V at 5A, totaling 120W of power.
Can this power supply be used globally?
Yes, it features a universal AC input range from 90 to 264VAC and a DC input range from 127 to 370VDC, making it suitable for various regions.
Does it come with a power cord?
No, a power cord is not included and must be purchased separately.
What kind of protections does it offer?
It includes protections against short circuit, overload, over voltage, and over temperature.
Is this power supply suitable for industrial use?
Yes, it is specifically designed for industrial applications, is UL 508 approved, and can be installed on TS-35/7.5 or TS-35/15 DIN rails.
Buying Guide
When you're looking at industrial power supplies like this, you need to match the output voltage and current to what your equipment actually needs. Don't just grab the cheapest one; make sure it has enough wattage for everything it's powering. Also, check the certifications – UL 508 is a big deal for industrial control gear, meaning it meets specific safety standards.
Output Voltage (24V) & Current (5A)
This tells you exactly what kind of power your devices will get. Think of it like a battery: 24V is the 'strength' and 5A is how much 'flow' it can provide. Your industrial sensors, relays, or controllers need a specific voltage and won't work correctly if it's too high or too low, and they need enough current to operate without issues.
Wattage (120W)
Wattage is the total power available (Voltage x Amperage). If your connected devices collectively draw more than 120W, the power supply will be overloaded and could fail. Always add up the power consumption of all your components to ensure the power supply has enough headroom.
DIN Rail Form Factor
This means it's designed to clip onto a standard metal rail (TS-35/7.5 or TS-35/15) inside an electrical cabinet. It's a common, space-saving mounting method for industrial components, keeping your setup organized and secure.
Efficiency (88%)
This number tells you how much of the input power is actually converted into usable output power, and how much is lost as heat. An 88% efficiency means 12% of the power is wasted. Higher efficiency means less heat generated, potentially longer lifespan, and lower electricity bills over time.
Alternatives
If this doesn't fit, search for DIN rail power supplies with higher wattage (e.g., 240W, 480W), different output voltages (e.g., 12V, 48V), or models that include digital monitoring and communication interfaces.



