G1377-B
Single
1 Year
850W
85-285VAC
Series Switching Power Supply
Self-excited Switching Power Supply
Frequency Modulation Type
Terminal Power Distribution Equipment
One-way Transmission
CE, RoHS, ISO, CCC, CB, FCC
Power Supply
Switching Power Supply
Yes
230VAC
90-264VAC
44-66(Rated 50/60)Hz
≥0.90
≤30 a
≤10 a
WNL
Box
open frame
China
Product Description
850W AC-DC telecom rectifier module Power supply

Input Characteristics | |||
Item | Requirement | Unit | Note |
Ac input voltage range | 85~285 | Vac | 90Vac-264V 850W |
Rated input voltage range | 90~264 | Vac | |
Rated input voltage | 230 | Vac | |
Frequency of ac input voltage | 44 ~ 66(rated 50/60) | Hz | |
power factor | ≥0.90 | Rated input, 100% load | |
Total harmonic of input current | ≤15% | Rated input, 100% load | |
Inrush Current | ≤30 | A | 264Vac/ Normal temperature condition /Rated load |
Max Input Current | ≤10 | A | 185Vac/ Rated load |
Output Characteristics | |||
Item | Requirement | Unit | Note |
Output Voltage Range | 42-55 | Vdc | The monitoring is adjustable, an d all configurations are OK bef ore delivery. After delivery, only communication can be perform ed, but no upgrade or other ope rations can be performed. |
Rated output voltage | 48 | Vdc | If there is no monitoring, the d efault output is 48V. If there is monitoring, the output is adjust ed to 42V | |
Output Current | 0-17.7 | A | ||
Efficiency | ≥92% | 230Vac,50%-100% | ||
temperature coefficient | ±0.02 | %/ºC | ||
Ripple and noise | ≤200 | mVp-p | ≤20MHz 20 MHZ bandwidth or less | |
Startup time | ≤3 | S | ||
Output rise time | 200 | mS | The output voltage rises from 10% to 90% of the rated voltage for the rated load. | |
On and off overshoot | ≤±5 | %Vo | Rated input voltage;Output full load. | |
Dynamic | overshoot | ≤ ±5 | %Vo | 25% ~50%,50%~ 75%. 200us,±5%.25% to 50%, 50% to 75% load jump. The recovery time after the dc output voltage change caused by the step change of the load should not exceed 200us, and the overshoot should not exceed ±5% of the output voltage setting value. |
recovery tim e | ≤ 200 | µS | ||
Voltage regulation accuracy | ≤±0.6%*Vo | |||
The telephone balances the noise voltage | ≤2 | mV | ||
≤50 | 3.4~150KHz |
Broadband noise voltage | ≤20 | mV | 0.15~30000KHz | |
Discrete noise | ≤5 | mV | 3.4~150KHz | |
≤3 | 150~200KHz | |||
≤2 | 200~500KHz | |||
≤1 | 500~30000KHz | |||
protective characteristics | ||||
Item | Requirement | Unit | Note | |
Enter the undervoltage alarm point | 90 | Vac | Alarm function, do not perform other operations | |
Input undervoltage protecti on | 80±2 | Vac | ||
Input the undervoltage recovery point | 85±2 | Vac | (90Vac-264Vac) Rated voltage range (90Vac-264Vac) | |
Input overvoltage protection | 290±2 | Vac | ||
Input overvoltage protection recovery point | 280±2 | Vac | ||
Input frequency protection | <44 >66 < 44 or > 66 | Hz | Turn off the output, input frequency to normal range, output automatic recovery. | |
Output overpressure protection | ≥58 | Vdc | Lock, power off and restart to restore. |




Business scope include: Electrical equipment, electronic products, instruments and meters, electrical and mechanical equipment and spare parts, computer software and ancillary equipment, intelligent equipment, automation equipment, wujinjiaodian, building materials, daily provisions, packaging materials, chemical raw materials and products (excluding hazardous chemicals and precursor chemicals and MCC) sales; Technical research and development, technical consultation, technical service and technology transfer in the fields of information technology, electrical technology and mechanical equipment; Enterprise management consulting; Computer graphic design; On-site installation and maintenance of mechanical and electrical equipment; Import and export of goods and technologies.



1.Q:What's your main products?
A: We provide professional Transformer Accessories/components, power supply and welding products.mainly focus on power transformer and energy scope.
2.Q Why chooses us?
A: Our resouce are focus and deep cooperation with top companies of power energy area.Supply with cost advantage and quality assurance.
3. Q:How can you control your quality?
A: Our factory have supply experience with top customers such as ABB ,SIEMENS,GE,TBEA,XD and so on, the quality can meet the power energy high standard requirements of quality; For each production processing, we have complete QC system for the chemical composition, physical and electrical properties.After production, all the goods will be tested according to related standards, and the ex-factory test reports will be sent along with shipment documents.
4. Q: Does your company accept customization?
A. Yes, we can accept OEM/ODM.
5.Q: Do you have the products instock?
A: Depends on your request,we have standard models in stock.Some special product and big order will be newly produced according to your order.
6. Q: What's your payment terms?
A: We usually accept all kinds of payment terms, T/T, L/C, Western union, Cash.
7. Q: What do you have for certificate?
A: :Quality Service Credit Certificate, Enterprise Credit Grade Certificate,Credit Operation Demonstration Unit Certificate, Quality Management System Certificate, etc.
8.Q:Can we visit your company?
A:Yes,for sure, you are welcome to visit our company.