Product Description
The SDR, HDR, MDR, and DR Series are high-quality DIN rail switching power supplies designed to convert AC input to stable 12V or 24V DC output. These compact rail-mountable units are ideal for industrial control cabinets, automation systems, machinery, and building automation applications. Featuring high efficiency up to 90%, wide input voltage range, and comprehensive protections including overload, overvoltage, and short circuit protection. The rugged metal housing with standard 35mm DIN rail mounting allows for quick installation and space-saving integration.
Functional Features
Overvoltage Protection Stable Output Durable
High - quality Chip Efficient Heat Dissipation Sufficient Power
Multiple Protections
Reliable Quality, Quality Assurance, Tailored for Small and Medium - sized Enterprises
High Quality, High Cost - effectiveness
Honeycomb Design
Fast Heat Dissipation
The hollow honeycomb structure dissipates heat faster and protects the internal components of the switching power supply
Installation Guide Rail
Installation Guide Rail
Display Diagram
Guide rail - type snap - in installation, convenient and fast / firm fixation / can be installed on international standard rails
Can be installed on DIN rail
TS35/7.5 or TS35/15 (international 35mm rail)
Product Views
Intelligent Protection, Stable Performance
Not Just About Safety
The switching power supply has multiple protection functions
To ensure the long - term and effective operation of the power supply
Short - circuit Protection
Overload protection within the range of 110% - 150%
To provide better self - defense
Overvoltage Protection
Overload protection within the range of 110% - 150%
To provide safety guarantee for downstream equipment
Overload Protection
Power supply protection when the load power is > 130% - 140% of the rated power
Overtemperature Protection
The output voltage begins to drop when the output current is ≥ 115% - 130%
Application
This power supply product boasts an extremely wide range of application scenarios and can meet professional power supply needs across multiple industries. It is not only suitable for various lighting equipment, providing stable and reliable power support, but also can precisely adapt to the working conditions of precision instruments in scientific research equipment. In industrial control equipment and industrial control automation fields, it serves as a core power guarantee due to its excellent stability. Meanwhile, it is also widely used in scenarios such as LED displays, medical equipment, and audio equipment, ensuring the efficient operation of these devices.
Dimensional Drawin
Name: | Power Range: |
DIN-Rail Switching Power Supply | 15W-480W |
Protection Features: | Location: |
Short circuit, overload, over voltage protection | China |
Application Scope: | |
AC: Alternating Current | DC: Direct Current |
+V: Connect to the positive pole of the device | COM: Connect to the negative pole of the device |
N: Connect to the neutral wire of the mains | L: Connect to the live wire of the mains |
ADJ: Output voltage adjustment | |
| Grounding symbol (earth ground) |
High - performance Chip, Naturally High Efficiency
Connection Method for MDR-40 and MDR-100
1.Operation Indicator
2.Output Voltage Adjustment
3.Positive Output
4.Negative Output
5.Passive Switch Output
6.Protective Earth Input (PE)
7.Live Wire Input (L)
8.Neutral Wire Input (N)
Connection Method for SDR-120 and SDR-240
1.Passive Switch Output
2.Negative Output
3.Positive Output
4.Output Voltage Adjustment
5.Operation Indicator
6.Protective Earth (PE)
7.Neutral Wire Input (N)
8.Live Wire Input (L)
1.Output Voltage Adjustment
2.Negative Output
3.Positive Output
4.Operation Indicator
5.Neutral Wire Input (N)
6.Live Wire Input (L)
1.Flame - retardant Terminal
2.Power Switch
3.Adjustment Switch
4.High - frequency Transformer
5.Large - capacity Electrolytic Capacitor
6.Copper - cored High - frequency Voltage Conversion
Product parameters
Model | Output Voltage | Rated Current | Rated Power | AC Input Voltage | Product Dimensions |
MDR-20-12 | 12V | 1.67A | 20W | 100~240VAC | 22.5*90*102mm |
MDR-20-24 | 24V | 1A | 20W | 100~240VAC | 22.5*90*103mm |
MDR-40-12 | 12V | 3.33A | 40W | 100~240VAC | 40*90*100mm |
MDR-40-24 | 24V | 1.7A | 40W | 100~240VAC | 40*90*101mm |
MDR-60-12 | 12V | 5A | 60W | 100~240VAC | 40*90*102mm |
MDR-60-24 | 24V | 2.5A | 60W | 100~240VAC | 40*90*103mm |
MDR-100-12 | 12V | 7.5A | 90W | 100~240VAC | 55*90*100mm |
MDR-100-24 | 24V | 4A | 96W | 100~240VAC | 55*90*101mm |
Model | Output Voltage | Rated Current | Rated Power | AC Input Voltage | Product Dimensions |
HDR-15-12 | 12V | 1.25A | 15W | 100~240VAC | 17.5*90*54.5mm |
HDR-15-24 | 24V | 0.63A | 15.2W | 100~240VAC | 17.5*90*54.5mm |
HDR-30-12 | 12V | 2A | 24W | 100~240VAC | 35*90*54.5mm |
HDR-30-24 | 24V | 1.5A | 36W | 100~240VAC | 35*90*54.5mm |
HDR-60-12 | 12V | 5A | 50W | 100~240VAC | 52.5*90*54.5mm |
HDR-60-24 | 24V | 2.5A | 60W | 100~240VAC | 52.5*90*54.5mm |
Model | Output Voltage | Rated Current | Rated Power | AC Input Voltage | Product Dimensions |
SDR-75-12 | 12V | 6.3A | 75W | 100~220VAC | 32*125*102mm |
SDR-75-24 | 24V | 3.2A | 75W | 100~220VAC | 32*125*102mm |
SDR-75-48 | 48V | 1.6A | 75W | 100~220VAC | 32*125*102mm |
SDR-120-12 | 12V | 10A | 120W | 100~220VAC | 40*125.2*113.5mm |
SDR-120-24 | 24V | 5A | 120W | 100~220VAC | 40*125.2*113.5mm |
SDR-120-48 | 48V | 2.5A | 120W | 100~220VAC | 40*125.2*113.5mm |
SDR-240-12 | 12V | 20A | 240W | 100~220VAC | 63*125.2*128.5mm |
SDR-240-24 | 24V | 10A | 240W | 100~220VAC | 63*125.2*128.5mm |
SDR-240-48 | 48V | 5A | 240W | 100~220VAC | 63*125.2*128.5mm |
SDR-480-24 | 24V | 20A | 480W | 100~220VAC | 85.7*128*125.4mm |
SDR-480-48 | 48V | 10A | 480W | 100~220VAC | 85.7*128*125.4mm |
Note:Any queation,please feel free to contact us.
Our Advantages
1.Refined Operations
A rigorous quality management system ensures products are delivered in one step, giving you a head start.
2.Strict Quality Inspection Process
Rapid production with guaranteed quality, creating reliable products for your peace of mind.
3.Comprehensive Warehouse Inventory
A complete range of product models for fast delivery.
4.Independent Innovation
The company boasts strong technical capabilities and prioritizes technological innovation.










