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1.Description:
The Dual DC Power Supply Switch is a dual power intelligent switching module, which can realize the intelligent switching between the main power supply and the backup power supply. When the main power supply is power-off or undervoltage, the module automatically switches to the backup power supply. When the voltage of main power supply restore, it automatically switches back to the main power supply.
2.Feature:
1>.Using low-power 8-bit MCU as the main control, which made it possible to switch fastly and accurately.
2>.16 high-power and low-loss MOS tubes are used.
3>.It is equipped with 2 indicators to know the power supply status timely.
4>.The switching time is less than 0.001 seconds.
5>.It is equipped with potentiometer, can freely adjust the main power supply switching and restore voltage.
6>.It can meet the needs of different voltages.
7>.The voltage of main power supply can be higher or lower than the backup power supply.
8>.The main and backup power supplies can be battery or DC power supplies.
3.Parameter:
1>.Work Voltage:6~36V.
2>.Output Current:constant 30A(40A MAX).
3>.Self-consuming Power:6mA.
4>.Switching Time:<0.001s.
5>.Mode of Connection:locking wire.
6>.Work Temperature:-40℃~105℃.
7>.Size:46*47*15mm.
4.Application:
1>.Multiple power supply parallel redundant (N+1) output.
2>.Multi-battery parallel output.
3>.UPS Power supply system.
5.Note:
1>.The module does not have charging function, and the main power supply cannot charge the backup power supply.
2>.Ensure that the restore voltage is higher than the switching voltage. Otherwise, unexpected events such as abnormal switching may occur.
3>.After the power supply is switched to the backup power supply, the power supply will be switched to the main power supply only after the voltage of the main power supply restores for more than 3 seconds.
4>.The test points TP1 and TP2 are located next to the potentiometer.
6.Pin Specification:
1>.V1+:The positive pole of main power input.
2>.V2+:The positive pole of backup power input.
3>.GND(Left):The negative pole main/backup power input(ground electrode).
4>.GND(Right):The negative pole main/backup power output(ground electrode).
5>.VO+:The negative pole (ground electrode).
6>.SW:The output power switch can be controlled by an external switch to turn off and on.
7>.D1(Red):
When the main power supply V1+ is powered on, the indicator is on.
When the backup power supply V2+ is powered on, the indicator is off.
8>.D2(Green):
When the backup power supply V2+ is powered on, the indicator is on.
When the main power supply V1+ is powered on, the indicator is off.
9>.VR1:
It is a main power switching voltage regulating potentiometer.
When the voltage of the main power supply is lower than the voltage set by VR1, the main power supply is turned off immediately and switched to the backup power supply.
10>.VR2:
It is a potentiometer that adjusts the recovery voltage threshold of the main power supply.
When the voltage of the main power supply is higher than the voltage set by VR2, immediately turn off the backup power supply and restore the power output of the main power supply.
7.Measured Voltage Drop(measured voltage is 16V):
1>.When the output current is 10A, the voltage drop is 32mV and the power consumption is 0.32W.
2>.When the output current is 15A, the voltage drop is 50mV and the power consumption is 0.75W.
3>.When the output current is 20A, the voltage drop is 70mV and the power consumption is 1.4W.
4>.When the output current is 30A, the voltage drop is 100mV and the power consumption is 3W.
8.Package:
1 pcs UPS Voltage Converter 6V-36V 30A Dual DC Power Supply Switch.
ICStation doesn't accept any form of pay on delivery. Items used to be shipped after payment. Below are the payment methods we can accept at the moment:
1) Paypal Payment
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2) Bank Transfer / Wire Transfer / T/T
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Bank Transfer / Wire Transfer / T/T payment methods are accepted for orders which the total price is up to US$300. The bank will charge about US$50 for the transfer fee if we do the payment in these ways. Feel free to contact us for bank payment details if you need pay via bank.
For other payment method, please contact us at orders@icstation-team.com for more details.
We offer worldwide FREE shipping for all orders over $20 USD! Below are the details for our different shipping methods:
1. Regular Shipping: Yanwen / YunExpress / 4PX / China Post Airmail Service
(1) Shipping Fee: $5
All orders will be shipped via standard normal post with tracking number service, which can be tracked on our website.
Note: If your total order price is more than $20 USD, you won't need to pay the $5 USD registered shipping fee.
(2) Delivery Time
Most countries can expect delivery within 7-20 business days, depending on your location:
7-15 working days: Most of Asia countries
10-16 working days: USA, Canada, Australia, UK, Most of Europe countries
20-40 working days: Brazil, Most of South America countries
Important: Since 2021, sellers outside the EU must provide an IOSS VAT number and pay for the VAT billing monthly to ship to EU countries. Therefore, we charge the VAT fee in advance for EU customers. Rest assured, they will not be charged the VAT fee again when the package arrives.
2. Express Shipping: DHL / FedEx / UPS
(1) Shipping Fee: Free for orders that meet the following requirements:
Total price of the order is >= $200 USD
(2) Delivery Time
Most countries can expect delivery within 7-10 working days:
Asia: Japan, South Korea, Malaysia, Singapore, Thailand, Vietnam, Cambodia, Indonesia, Philippines
Oceania: Australia, New Zealand, Papua New Guinea
Europe & America: Belgium, Britain, Denmark, Finland, Greece, Ireland, Italy, Luxembourg, Malta, Norway, Portugal, Switzerland, Germany, Sweden, France, Spain, USA, Austria, Canada
Important Notes:
1.Please provide a physical address for order delivery since DHL and FedEx cannot deliver items to APO or PO BOX addresses.
2.The recipient's contact phone number is required by express shipping agencies for package delivery.
3.EU customers must provide a VAT and EORI number for express shipping. If you can't provide either number, consider using regular post shipping.
4.Korean customers must provide CNEE'S PCCC or date of birth for custom clearance when using express shipping.
5.Brazilian customers must provide the CNPJ or CPF number for custom clearance when using express shipping.
6.For Taiwan customers, we default to the ShunYou Post courier. If you need Express S.F. Shipping, please provide one of the following:
Taiwan local ID card (such as A+9 digits)
Passport
Local residence permit
Company name and Unified Business No.
Other Important Information
7.Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed.
8. During annual Chinese holidays (e.g. Chinese New Year, Chinese National Day), delivery for orders placed around these times may be delayed by 3-7 days.
9.Once your order is shipped, you will receive an email notification from icstation.com.
10. For tracking your order with a tracking number, please visit the following websites:
Regular shipping: www.17track.net/en
4PX: en.4px.com/
DHL: www.dhl.com
FedEx: www.fedex.com
We hope this information helps you understand our shipping and delivery policies. If you have any further concern, feel free to contact us via email orders@icstation-team.com, thanks for your attention.
