Mean Well HDR-30-24 24V 1.5A 36W DIN Rail Power Supply

A. Product Overview

The Mean Well HDR-30-24 24V 1.5A 36W DIN Rail SMPS belongs to the HDR-30 series of ultra slim step shape DIN rail power supplies.

Key specifications include:

Output Voltage: 24V DC
Rated Current: 1.5A
Rated Power: 36W
Output Adjustment Range: 21.6 to 29V DC
Input Voltage: 85 to 264V AC
Operational AC Input: Up to 277V AC
DC Input Range: 120 to 370V DC
Frequency Range: 47 to 63Hz
Typical Efficiency: 89 percent
Dimensions: 35 x 90 x 54.5 mm
Mounting: TS35/7.5 or TS35/15 DIN rail
Cooling: Free air convection
Operating Temperature: Minus 30 degrees Celsius to 70 degrees Celsius

The 35 mm wide housing makes the HDR-30-24 particularly suitable for control panels where DIN rail space is limited. The unit also features an LED power indicator and no load power consumption below 0.3W.

B. Working Principle

The Mean Well HDR-30-24 works as an AC to DC switching power supply.

Incoming AC power first passes through an EMI filter to reduce electrical interference. The input is then rectified and filtered before entering the high frequency switching stage.

The switching circuit transfers energy through an isolated transformer. On the output side, the voltage is rectified and filtered again to produce a regulated DC output.

According to the block diagram on page 3 of the datasheet, the power supply uses a detection circuit and control section to monitor the output voltage and regulate the switching stage. It also incorporates overload and overvoltage protection circuitry.

This switching method allows the HDR-30-24 to provide a stable 24V DC supply while maintaining compact dimensions and high efficiency.

C. Why Mean Well HDR-30-24 Is Used

The HDR-30-24 is used when equipment requires a compact and reliable 24V DC power supply with up to 1.5A current.

Its ultra slim DIN rail format is useful in electrical panels where installation space is limited. It is also suitable for systems that require efficient AC to DC conversion with an adjustable output voltage.

The output can be adjusted from 21.6V to 29V DC, which provides flexibility for different 24V DC loads.

The HDR-30 series also includes:

Short circuit protection
Overload protection
Overvoltage protection
Free air convection cooling
Low no load power consumption
LED power indication
Isolation Class II design
Limited Power Source compliance
Three year manufacturer warranty

These features make it suitable for continuous use in automation and control applications.

D. Suitable Buyers

The Mean Well HDR-30-24 is suitable for:

Industrial automation companies requiring compact 24V DC panel power supplies.

Control panel manufacturers building DIN rail based automation panels.

Building automation companies supplying HVAC, lighting and building control systems.

Machine builders and OEMs requiring a compact 24V DC supply.

PLC and automation system integrators powering controllers, sensors, relays and related equipment.

Electrical contractors installing automation and electrical control systems.

Maintenance engineers replacing existing DIN rail mounted 24V power supplies.

Automation distributors and resellers supplying Mean Well DIN rail power supplies.

Mean Well identifies household control systems, building automation, industrial control systems, factory automation and electro mechanical apparatus among the intended applications for the HDR-30 series.

FAQ

1. What is Mean Well HDR-30-24?

The Mean Well HDR-30-24 is a compact DIN rail mounted switching power supply that converts AC input power into regulated 24V DC output.

2. What is the output current of HDR-30-24?

The rated output current is 1.5A, with an output current range from 0 to 1.5A.

3. What is the power rating of Mean Well HDR-30-24?

The HDR-30-24 has a rated power output of 36W.

4. What is the input voltage range?

The power supply accepts 85 to 264V AC input and can operate up to 277V AC. It also supports DC input operation according to the manufacturer's specified range.

5. Can the output voltage be adjusted?

Yes. The 24V model provides an adjustable output voltage range from approximately 21.6V to 29V DC.

6. What is the efficiency of HDR-30-24?

The typical efficiency of the HDR-30-24 is approximately 89 percent.

7. Can HDR-30-24 be mounted on DIN rail?

Yes. It is designed for TS35/7.5 and TS35/15 DIN rail mounting.

8. What are the dimensions of Mean Well HDR-30-24?

The unit measures approximately 35 x 90 x 54.5 mm, making it suitable for compact electrical panels.

9. Does HDR-30-24 require a cooling fan?

No. The HDR-30-24 uses free air convection cooling, so no internal cooling fan is required under specified operating conditions.

10. What protections are available in HDR-30-24?

The unit provides protection against short circuit, overload and overvoltage conditions.

11. What is the operating temperature range?

The specified operating temperature range is minus 30 degrees Celsius to 70 degrees Celsius, subject to the manufacturer's derating conditions.

12. Where is Mean Well HDR-30-24 commonly used?

It is suitable for industrial automation, factory automation, building automation, household control systems, electrical control panels and electro mechanical equipment.