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48V DC Input Voltage Industrial Power Supplies 400W Output Power GPDD401M28-1A
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Brand Name:ESTEL
Model Number:GPDD401M28-1A
Certification:ISO9001, CE, 3C, FCC, TLC
Price:negotiation
Payment Terms:L/C, T/T, D/A, D/P, Western Union
Supply Ability:20,000 sets per month
Delivery Time:7-10 working days
Company Data
Verified Supplier
Contact Person
Fiona Liang
Business Type:
Manufacturer Distributor/Wholesaler Exporter
Officials:
3A-8, SHUIWAN 1979 SQUARE (PHASE II), NO. III, TAIZI ROAD, SHUIWAN COMMUNITY, ZHAOSHANG STREET, NANSHAN DISTRICT, SHENZHEN
Quality:
Quality Certifitation Available
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Product Details
Company Profile
Product Details
48V DC Input Voltage Industrial Power Supplies 400W Output Power GPDD401M28-1A
Quick Details:
| Place of Origin: Shenzhen, China (Mainland) | Input Voltage: -48VDC |
| Brand Name: ESTEL | Output Voltage: +28VDC |
| Model Number: GPDD401M28-1A | Output Power: 400W |
| Product Name: Industrial Power Supplies | Output Efficiency: 87% |
| Certification: ISO9001, CE, 3C, FCC, TLC | Max. Output Current: 15A |
| Application: Industrial Equipment | Temperature Coefficient: ±0.03 % / °C |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1 set |
| Price: | negotiation |
| Payment Terms: | L/C, T/T, D/A, D/P, Western Union |
| Supply Ability: | 20,000 sets per month |
| Delivery Time: | 7-10 working days |
| Packaging Details: | carton/wooden case |
1. Description
The GPDD401M28-1A industrial power supply support wide input voltage range (-40VDC to -56VDC), with single way output. The power supply includes the following functions: input over/under voltage protection, output short-circuit protection, over current protection etc. The power supply is designed strictly in accordance with the safety regulations, which conforms to the safety standards and requirements of information technology.
2. Technical Parameters
| Ambient conditions | |||||
| Parameters | Min | Typical | Max | Unit | Note |
| Operating temperature | -40 | 25 | 70 | °C | |
| Storage temperature | -40 | 25 | 70 | °C | |
| Relative humidity | 95 | % | non-condensing | ||
| Altitude | 3000 | m | |||
| Atmospheric pressure | 70 | 106 | KPa | ||
| Cooling | Natural cooling | ||||
| Input | |||||
| Parameter | Min | Typical | Max | Unit | Note |
| Input voltage range | -40 | -48 | -57 | Vac | |
| Basic output characteristics | ||||||
| Parameter | Min | Typical | Max | Unit | Note | |
| Output voltage range | +28V | 28 | Vdc | Adjustable | ||
| Output current range | +28V | 0 | 15 | A | ||
| Load regulation | ±1.5 | % | ||||
| Voltage regulation accuracy | ±1 | % | ||||
| Line regulation | ±0.5 | % | ||||
| Ripple (peak to peak value) | +28V | 1% Nominal output voltage value | % | At rated input/output, with one 0.1uF ceramic capacitor and one 10uF electrolyte capacitor condition, bandwidth is 20MHz. | ||
| Output power | 400 | W | ||||
| Output efficiency | 87 | % | Rated input and load | |||
| Temperature coefficient | ±0.03 | %/°C | At 20 °C environment temperature | |||
| Load effect recovery time | 200 | uS | Load mutation, overshoot ≤ ±5% rated output voltage | |||
| Turn on/off overshoot | ±5 | % | ||||
| Protection | |||||
| Parameter | Min | Typical | Max | Unit | Note |
| Input over-voltage protection | -65 | -72 | Vdc | Self-recovery | |
| Input under-voltage protection | -36 | Vdc | Self-recovery | ||
| +28V output over-voltage protection point | 31 | V | |||
| +28V output current-limiting protection point | 15.75 | 21.75 | A | Constant current and cut-off protection way, automatic recovery, can use the hiccups | |
| Short-circuit protection | Long-time short-circuit,self-recovery | ||||
| Over-temperature protection | °C | Yes | |||
| EMC and others | |
| Parameter | Standard and requirements |
| CE | EN55022 - Class B |
| RE | EN55022 - Class B |
| Surge | EN61000-4-5 LEVEL 3, line-line 2KV, line-earth 4 KV |
| ESD | EN61000-4-2 contact discharge: ±6KV, air discharge: ±8KV. (criterion B) |
| RS | EN61000-4-3 test frequency: 27MHz~800MHz, 800MHz~ 960MHz, 960MHz~1400MHz, 1.4GHz~2GHz; electric field intensity: 3V/m; 10V/m; 3V/m; 10V/m; Amplitude modulation: 80%AM(1kHz) |
| CS | EN61000-4-6 test frequency: 0.15 MHz~ 80 MHz, test strength: 3V, amplitude modulation: 80%AM(1kHz) |
| EFT/B | EN61000-4-4 |
| Voltage dips and short interruptions | EN61000-4-11 fall to 30%Ut, duration 10ms; fall to 60%Ut, duration 500ms; fall to 95%Ut, duration 5000ms; criterion B, criterion C |
| Vibration | Frequency 10 Hz~55 Hz(Sine scanning), amplitude 0.35 mm |
| Shock | Peak acceleration 150 m/s2, duration 11 ms |
| Collision test | Collision waveform: half sine wave; peak acceleration: 180m/s2; pulse width: 6ms; collision direction: 6 direction; collision times: 100 times at each direction. |
| Static pressure test | TL=Wt×(S-1)×F×9.8(N) TL: pressure value, unit: N; Wt: package weight, unit: kg; S: allowed stacking layer, select the largest stacking layer; F: safety coefficient, usually choose 5; time to put pressure: 2 h |
| Moisture proof | GB/T2423.4-1993 alternating damp heat test, 24~ 45°C, 95%RH,48h |
| Mold proof | GB/T2423.16-1999 mold test , grade 2 |
| Cooling | Module natural conduction cooling |
| Noise | 55dB(A)； test distance 1m |
| MTBF | MTBF≥200,000h |
| Annual return rate | ≤1% |
| Smelling requirements | No peculiar and harmful smell |
| Safety and insulation grade | ||
| Parameter | Requirement | Note |
| Input –output | 1000Vac/10mA//1min | No flashover, no breakdown, remove discharge tube when testing |
| Input –earth | 1000Vac/10mA//1min | |
| Output –earth | 500Vdc/10mA//1min | |
| Grounding resistance | <0.1Ω | |
| Insulation resistance | ≥10MΩ | In normal atmospheric pressure, when relative humidity is 90%, testing voltage is 500VDC, the insulation resistance of input-output, input-grounding, output-grounding are all ≥10MΩ |
| Leakage current | ≤3.5mA | |
| Grounding resistance | <0.1Ω | |
| Mechanical Features | |
| L×W×H (mm) | 230×61×47.5mm |
| Weight(kg) | ≤1Kg |
3. Alarm
| Item | Yes/No | Technical index | Note |
| Power failure alarm signal | Yes | Input: normal, output: low impedance; Input: failure, output: high impedance; | When DC input fails, alarm signal of +28V output at full load rise to +2.2V, (need to add pull-up resistor when test). Time interval for +28 V falling to +15V shall not be less than 1 ms. |
| Input normal LED display | Yes | Use indicator light (red): red light turn on means input is normal | |
| Output normal LED display | Yes | Use indicator light (green): green light turn on means output 28V is normal |
4. Packing and Shipping
5. Our Delivery Agent
The goods can be shipped by sea, by air, by courier, by land, by train, etc. Besides the following delivery agent, we can also look for the delivery agent with the best price in china if you need us to do for you.
6. Our Contact Information
Mobile Phone: 0086-13752765943
Telephone: 0086-0755 66600941
Email: info@estel.com.cn
lxf.estel@hotmail.com
Skype: fiona.liang10
Company Profile
Tianjin Estel Electronic Science and Technology Co.,Ltd
Introduction
Tianjin Estel Electronic Science and Technology Co., Ltd (ESTEL(GUANGDONG)TECHNOLOGY CO., LTD), located in China, is a professional supplier of integrated outdoor telecom cabinet and temperature control solutions for outdoor telecom base station. As a science and technology innovative company, we engage in the R&D, manufacture, and sales of telecommunication equipment. Estel has a well-established team of technical and management experts who can meet customers’ specific needs accurately.
The base station integrated solutions and products include outdoor integrated telecom equipment cabinet, battery cabinet, RRU cabinet, power supply cabinet, environment monitoring system, TEC peltier air conditioner, AC220V compressor air conditioner, DC48V variable frequency air conditioner, heat exchanger, rectifier, UPS, embedded telecom power system etc. All the above solutions and products can be custom made.
Our products and solutions have been deployed all over China. Our main domestic customers are China Telecom, China Mobile, China Unicom, State Grid, Shenzhen / Beijing Metro and Huawei / ZTE etc. In addition, our products have been exported to Europe, North America, South America, Central America, Southeast Asia, Africa, Australia, Mid East countries, etc.
“ Customers First, Quality First ” is always our principle. We have attained many certifications, such as ISO9001, ISO14001, OHSAS18001, CE, UL, FCC etc. AS a telecom integrated solutions / energy saving system integrator in China, We have strong advantages in technology competitiveness, management competitiveness ,service competitiveness and price competitiveness. Through many years of experiences in design, production and implementation of different projects around the world, we have gained great reputation. Relying on professional technique and strict quality control, we will continuously offer high cost-effective products and solutions to our respectable customers globally. We will always try our best to meet customers’ need and requirement.
Company Capability
Trade & Market
| Main Markets | Total Revenue (%) |
| Domestic Market | 50.00% |
| Africa | 15.00% |
| Southeast Asia | 10.00% |
| South America | 5.00% |
| Central America | 5.00% |
| Australia | 3.00% |
| Mid East | 3.00% |
| North America | 2.00% |
| Southern Europe | 2.00% |
| Eastern Europe | 1.50% |
| Northern Europe | 1.00% |
| Western Europe | 1.00% |
| South Asia | 1.00% |
| Eastern Asia | 0.50% |
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