Adjustable DC power supply

Adjustable DC power supply
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Product description:

RXN-303D DC power supply

High-precision regulated power supply

RXN-303D DC power supply can be used as a voltage regulated or current regulated power supply. The voltage regulation range is 0 to 30V, and the current range is 0 to 3A. Set the output through the rotary switch and display the value on the LCD display. It has low ripple and noise, high reliability and high precision. Contains test leads to connect to the power source and load.

adjustable dc power supply

Overview

• Lavolta's high-precision DC power supply

•Suitable for testing and repair centers

• Voltage regulation 0-30V; current regulation 0-3A

• Built-in cooling fan

•Full metal structure, compact design and handle

Size: 278mm * 126mm * 155mm

adjustable dc regulated power supply

1. Display current output

2. Display voltage output

3. Current fine adjustment, fine adjustment of output current

4. Constant current (C.C.) indicator

5. Power switch

6. Current coarse adjustment: coarse adjustment of output current

7. Voltage fine adjustment: fine adjustment of output voltage

8. Coarse voltage adjustment: coarse adjustment of output voltage

9. Constant voltage (C.V) indicator

10. "+" input terminal: positive polarity (red)

11. "GND" terminal: ground terminal (green)

12. "-" output terminal: negative polarity (black)

Adjustable DC voltage power supply kit:

303D power supply * 1

AC input cable* 1

5A output cable* 2

12v dc adjustable power supply

Product parameters:

Output voltageAC220V±10%50Hz
Working temperature-10℃~40℃
Relative humidity<80%
Output voltage0-30V
Output current0-3A
Voltage stabilization degree≤0.05%+2mV
Load stability≤0.05%+2mV
Ripple noise≤1mVrms (effective value)
current stabilization degree≤0.1%+3mA
Load stability≤0.2%+3mA
Display resolutionvoltage 0.1V current 0.01A


adjustable dc power supply circuit

Quality assurance
All products are from official factories
Fast shipping
Shipped within 2-3 working days after accepting the order
Enhanced packaging
New miners use original packaging and strengthen peripheral packaging
Multiple modes of transportation
Support air, ship and designated special line transportation
Pyament method:

How to determine product prices and shipping costs?

When you are ready to buy one or more products. You can consult the sales Manager to get a sample of the proforma invoice. The category, product price, and freight are included.

How to complete the payment?

We have the following payment methods. You can tell our sales Manager which payment you prefer and complete it. After the customer service checks and confirms the payment is completed. Provide the proforma invoice. And we will prepare to ship.

Cryptocurrency Payment

The payment method at the designated address is efficient and practical and can be used anywhere in the world.
Wallet Address
The payment method at the designated address is efficient and practical and can be used anywhere in the world.

Wallet Address

Bank Transfer

Other payment methods

Wire transfer [Hong Kong]
Card Number
Wire transfer [China Mainland]
Card Number

Cooperation express:

Q: When will we ship after payment?
A: In order to ensure that the products we ship are in good condition. Issued approximately 3 days after receiving your payment.

Q: What if the product is damaged during transportation?
A: We will use a more robust package when shipping to avoid damage to the goods, and we can purchase transportation insurance in advance to reduce the loss of in the transport. although this problem is not common.

Q: What payment methods do we support?
A: We support Bank transfer, wire transfer, Western Union, BTC, third party guarantee, letter of credit and Paypal.

Q: What should I do if there is a problem after receiving the products?
A: We have established good relationships with the maintenance departments in many countries around the world. For example Venezuela, Iran, etc. If you have any questions within 3 days of receiving the goods, you can get free repair service.

Q: Which express we support?
A: We will choose one cheapest and fastest transport way for you. and we support DHL, UPS, TNT, Federation, also have special express, such as Russia, the United States, Kuwait, etc.

More FAQs

If you have any questions, please leave us a message.
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Do you have s9 on stock?
Tx
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Vadim Tsvetikov 27/3/2021 4:00:57
Q:Hello!
Our company - Burfa Tech want to clarify the availability of miner equipment:
Antminer S19 95T,  
Antminer S19PRO 110T 
Antminer Т19 84T 
WhatsMiner M30s
WhatsMiner M30+ / M30++
Avalon 1246 85T
Quantity - 500pc ASAP , 6000+ end of summerr
We are also interested in buying spare parts for Antminers S17 and S19.
Thank You in advance,
Vadim Tsvetikov
Burfa Tech
Data Center Operational Director
P: +372 5143576
E: [email protected]
A:Dear Sir/Madam, please refer to our FAQ or contact us for Pre-sale service via whats app. Thank you.


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jann carlos rangel 22/3/2021 3:23:14
Q:buenas tardes que precio tiene la t17e
A:Dear Sir/Madam, please refer to our FAQ or contact us for Pre-sale service via whats app. Thank you.


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Alex Joseph 22/3/2021 0:33:43
Q:I am interested in prices on used BTC miners.
Please advise on models and price. 
Shipping to western Canada.
A:Dear Sir/Madam, please refer to our FAQ or contact us for Pre-sale service via whats app. Thank you.


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ไพฑูรย์ แซ่ซื้อ 21/3/2021 20:44:24
Q:Interested to buy
A:Dear Sir/Madam, please refer to our FAQ or contact us for Pre-sale service via whats app. Thank you.


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Tapan Kumer Modak 18/3/2021 18:38:45
Q:pls send us ur WhatsApp Number
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Achim Rüdinger 16/3/2021 7:02:53
Q:Hi
How much would I have to pay for 1 S17+ shippment to Germany? Is it in stock?
THX

Achim Rüdinger

A:Dear Sir/Madam, please refer to our FAQ or contact us for Pre-sale service via whats app. Thank you.


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About products purchase, please contact our sales manager:
[email protected]

About miner repair and after-sale issues, please contact the repair manager email:
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For business cooperation, please contact:
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COMPLAINTS & SUGGESTIONS
If you have any dissatisfaction during the transaction or have valuable suggestions for us, please contact us via this email address:
[email protected]