Constant Voltage Switching Power Supply 201W 4.2A 48V S-201-48 Switching Power Supply
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Product Highlights
- Wide Input Voltage Range: Supports 85-264VAC and 120-373VDC for global compatibility.
- Comprehensive Protection: Includes short circuit, overload, over voltage, and over temperature protection.
- 100% Burn-in Test: Every unit undergoes full load burn-in testing for high reliability.
- Long Warranty Period: Covers 24 months of mechanical defects and performance issues.
- Flexible Connection Mode: Supports both series and parallel connections for versatile applications.
- High Efficiency: Efficiency reaches up to 89% depending on the specific model.
- OEM and ODM Services: Offers full customization, minor customization, and design-based options.
- Low Leakage Current: Ensures safety with leakage current below 0.75mA at 240VAC.
Product Attributes
- Customization
- Available
- Output Type
- Single
- Warranty
- >2 Years
- Model NO.
- S-201-48
- Output Power
- 101 - 200W
- Input Voltage
- 110-220V
- Connection Mode
- Both Series and Parallel Connections Are Possible
- Starting Mode
- Self-excited Switching Power Supply
- Voltage Regulating Mode
- Frequency Modulation Type
- Power Supplying System
- Terminal Power Distribution Equipment
- Energy Transmission
- Two-way Transmission
- Modulation System
- PFAW
- Certification
- CE, RoHS
- Brand
- Weho
- Hold up Time
- 30ms/230VAC 12ms/115VAC at Full Load
- Voltage Range
- 85 ~ 264VAC 120 ~ 373VDC
- Frequency Range
- 47~63Hz
- Efficiency
- 89%
- Leakage Current
- <0.75mA / 240VAC
- Transport Package
- Carton or Plywood Case
- Specification
- 99mm*82mm*30mm
- Trademark
- Weho
- Origin
- Zhejiang
- Production Capacity
- 50000/Year
Product Images of Constant Voltage Switching Power Supply 201W 4.2A 48V S-201-48 Switching Power Supply
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Product Description
Features:
1.Full range AC 85-264V Input
2. Protections: Short circuit / Overload / Over voltage / Over temperature
3. 100% full load burn-in test
4. Low cost, high reliability
5. 24 months warranty

| Model | S-201-5 | S-201-12 | S-201-15 | S-201-24 | S-201-36 | S-201-48 |
| DC output voltage,current | 5V 0~40A | 12V 0~16.5A | 15V 0~13.4A | 24V 0~8.3A | 36V 0~5.5A | 48V 0~4.2A |
| Wave and noise | 150mVp-p | 150mVp-p | 150mVp-p | 150mVp-p | 240mVp-p | 240mVp-p |
| Inlet wire stabilily | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% |
| Load stability | ±1% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% |
| Efficiency | 74% | 80% | 80% | 83% | 80% | 80% |
| Adjustable range for DC voltage |
±10% | ±10% | ±10% | ±10% | ±10% | ±10% |
| Input voltage range | 90~132VAC/180~264VAC by switch 254~370VDC 47~63Hz | |||||
| Impact current | Cold start current 25A/115VAC 50A/230VAC | |||||
| Overload protection | 105% -201% cut off the output, automatic recovery | |||||
| Over voltage protection | 115%-145% shut down O/P voltage, re-power on to recover | |||||
| Setup, rise, hold up time | 200ms, 100ms, 20ms/230VAC at full load | |||||
| Withstand voltage | I/P-O/P: 1.5kV I/P-FG: 1.5kV OP-FG: 0.5kV 1 minute | |||||
| Isolation resistance | I/P-O/P I/P-FG O/P-FG: 500VDC/100MΩ | |||||
| Working temperature | -10ºC~+50ºC | |||||
| Dimension | 215 x 115 x 50 mm | |||||
| Weight | 0.9kg | |||||
| Packing | 45.5 x 31.5 x 26CM/20PCS/18kg | |||||



About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2431472". Items marked "" are certified.
Company Profile
Zhejiang Weihao Electronic Co., Ltd is specializing in research, Development and production of Switching Power Supply, Sensor, Temperature Controller, Power Inverter, DC Converter, Power Adapter Our products are widely used in LED screen, postal service, communication system, power system, instrument and meter equipment semiconductor refrigeration and heating system, medical equipment, monitor and automatic control system and railway system. The first-class imported components, advanced workmanship, and the consummation instruments achieved good quality products, all of them have past 100% high-temperature and full-load testing, the qualified rate can come to 99% and 0.3% repair rate. We stick to the principle of "Quality First, Technology Advanced and providing satisfactory product and service" and we also draw high attention to demand of customers and provide high quality product. The products are sold to overseas markets such as USA, Europe, Australia, South America, Africa, Middle East, Southeast Asia, Hongkong, China Taiwan, China and many other countries and regions. We had passed ISO9001 certificate and obtain CE and RoHS certificate. We hope to cooperate with more customers for mutual development and benefits. We are looking forward to forming successful business relationships with new clients around the world in the near future.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 101-1, Building 8, No. 176 Yanyun Road,Dongtou District, Wenzhou ,Zhejiang, China
-
Plant Area
- 5258 square meters
-
Number of Employees
- 55
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Ningbo Prot, Shanghai Port
-
Minimum Order Quantity
- 5 PCS
-
Supply Chain Partners
- 25
Our Production Capability & Technical Expertise
-
Main Products
- Switching Power Supply, Switch Power Supply, Power Supply, Switch Mode Power Supply, SMPS, LED Power Supply, Waterproof Power Supply, Dinrail Power Supply, Switching Mode Power Supply, Power Inverter
-
Production Lines
- 1
-
Production Machines
- Plug-in Facility, Wave Soldering Facility, SMT Facility
-
QA/QC inspectors
- 4 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2007-10-31
-
Export Year
- 16 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE, RoHS, FCC
FAQ
- What is the input voltage range?
- The power supply supports a wide input range of 85-264VAC and 120-373VDC.
- What protections are included?
- It features short circuit, overload, over voltage, and over temperature protections.
- Is the product tested before shipping?
- Yes, 100% of units undergo full load burn-in testing to ensure reliability.
- What is the warranty period?
- We provide a 24-month warranty covering mechanical defects.
- Can the power supply be connected in series or parallel?
- Yes, it supports both series and parallel connection modes.
- What is the maximum efficiency?
- The efficiency can reach up to 89% depending on the specific model.
- Do you offer customization services?
- Yes, we offer OEM, ODM, and various customization options from samples or designs.
- What is the minimum order quantity?
- The minimum order quantity is 5 pieces.
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