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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 500 Pieces pc

Supply Capability:: 50000 Pieces per Month pc/month

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Specificatons

*AC.AUTOMATIC VOLTAGE REGULATOR SPR SERIES

*Automatic Voltage Regulation

*Protection against Brownouts & Over voltage

*Wide input voltage range

*Short Circuit protection

*Low Voltage & High Voltage protection

*LED to show Input and Output voltage

*With delay function

*Temperature protection option

*Buit-in thransformer: Square Transformer

*Surge.Spike and Lighting Protection

Delivery

Delivery Detail:within one month after receiving deposite payment

Q: I have a 220v buck regulator output 12v power supply, how to calculate its output power? I measured with a digital multimeter output port voltage is 12v, and then transferred to the current block, directly to the meter measured power output port, did not show, is not the way to measure the current is not right? How to test specific Or there is no way to calculate the power of the power, I now know the voltage is 12v, but the current does not come out ah? Put away How do I know the power of my regulated power supply?: First measure the current is required ammeter and load in series; Second, the different digital table may be different, and some digital table current block exclusive of an output plug, please note whether the right! Voltage is generally not measured, are almost the same as the nominal power = voltage in the X current, and the current and load, if it is no load when the current = 0, so to measure the current must be in the case of a load Measured out.

Q: What is the difference between variable frequency power supply and regulated power supply? The The The Is there a variable frequency band? 220V single-phase power supply with 30KW it: Central South Central power supply is the production of variable frequency power Of the manufacturers, there are problems can call funding.

Q: What is the difference between a constant voltage source and a regulated source, or what is the difference between a constant current source and a steady flow source? What is the DC What is the exchange (to be clearly defined): Constant voltage source: fixed output of a constant voltage regulator source: no rounds of working current how to change the end of the output can be a fixed voltage (within the rated current range) DC: current flow in one direction AC: current direction cyclical changes flow

Q: What is the working principle of the series DC regulated power supply protection circuit?: First, the current limit ?????? In the circuit back in the middle of a small resistor, such as 1 ohm. ?????? Connect the BE pole of the transistor 9014 at both ends of the resistor. The transistor of the C pole connected to the regulator at the Department. When the current is greater than the design value (such as 800MA), then the resistance at both ends of the detection voltage of 0.8 volts, higher than 0.7 volts, the protection transistor fully conductive, CE short-circuit, the voltage drop to the transistor saturation voltage drop, The At this point, the regulator is shorted and the output voltage drops to near 0 volts. Protection is successful.

Q: In daily life, sometimes voltage, unstable, want to buy a regulator, do not know what to buy, I would like to ask the next regulator power supply and regulator What is the difference between them, what are their own use The If possible, explain as much as possible.: The voltage of the power adapter in the case of no load is higher, if you pick up the load will find its voltage will come down, it is due to its own role is limited, just to provide a suitable voltage to the load , And the main role of the regulator is the regulator, it will be through its voltage stability in a certain range, more or less than this value it has action, the power adapter will not have this effect. These two can be distinguished according to the use of the situation, if it is in the load power requirements are not high places can be used with each other, but if the load on the power requirements are relatively high, even if the 1V voltage changes are not OK, then you must use the regulator , Otherwise do not burn the load also burn power.

Q: Switching power supply and ordinary power supply compared to what advantages: In the past, we used most of the linear power supply, it brought a heavy transformer; Today, switching power supply, even the mobile phone charger are switching power supply. Advantages of switching power supply: 1. Small size, lighter weight (volume and weight only 20 to 30% of linear power supply); 2. Conversion efficiency is high, more power (switching power supply efficiency is generally higher than 70%, while the linear power supply only 30 ~ 40%); 3. Its own strong anti-interference, wide voltage range. Of course, compared with the linear power supply, switching power supply also has shortcomings, For example, the output ripple; due to switch mode work, there is a large electromagnetic interference.

Q: My home voltage instability in about 150 volts, what should be done to make the computer work properly, and do not hurt the computer? Installed power supply, or buy a regulator, or UPS installed. I heard that the regulator is not continuous power supply is not suitable for computer use! How can i do?: If you have a budget in the power of 1,000 yuan, then you can buy a domestic 1KVA online UPS, the basic solution to your current problems. If you feel that spend a little more money, then advise you to buy a servo-type regulator.

Q: Can you use the adjustable DC regulated power supply at home to wind the sail 12V 54Ah 265A battery charge: Battery capacity is large, adjustable power supply maximum output current is how much? If you can reach 5-6A, 16 hours or so can be filled. If the current of 1A, do not rush. If you need to always charge at home, it is recommended to buy 12V, 100W switching power supply. Fine-tuning function (transferred to 13.8V), you can series a small resistance (zero a few ohms) current limiting charge.

Q: Use multimeter and DC power supply should pay attention to what matters: Multimeter use time to pay attention to gear. Used to detect the circuit is good or bad when using low blocking.

Q: Classification of DC Regulated Power Supply: On the two, one is the switching power supply, one is analog power,

We are committed to provide high quality products and services to meet diverse customer requirements and diverse market requirements. With the same diligent customer-oriented spirit, we are dedicated to continuously designing, manufacturing, marketing, and introducing our products to the diverse demanding power market.

1. Manufacturer Overview

Location	Zhejiang,China (Mainland)
Year Established	1997
Annual Output Value
Main Markets	South America 3% Eastern Europe 4% Southeast Asia 10% Africa 25% Oceania 3% Mid East 5% Eastern Asia 5% Western Europe 2% Central America 3% Northern Europe 1% Southern Europe 1% South Asia 3% Domestic Market 30% North America 5%
Company Certifications	CE; CE Certificate for DC Power Supply; Association Techenologie Nouvelle De France; Certificate of UPS

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port
Export Percentage	71% - 80%
No.of Employees in Trade Department
Language Spoken:
b) Factory Information
Factory Size:	10,000-30,000 square meters
No. of Production Lines	8
Contract Manufacturing	OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range