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20A Constant Current Adjustable Step-down Power Module 300W High Power Synchronous Rectification Power Module Charging LED Driver Board

4.8732

$5.99 / $7.31

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$3.00 / $7.31

Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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Rhodd Am Ddim

Rhodd am ddim gydag unrhyw bryniad

Polisi Cludo

Cludo safonol am ddim ar archebion dros $9.9

Polisi Dychwelyd

Bydd eitemau a ddychwelir yn cael eu derbyn o fewn 40 diwrnod o'r dyddiad o dderbyn y nwyddau. Ni ellir dychwelyd na chyfnewid eitemau wedi'u cyfaddasu. Ni ellir dychwelyd eitemau a brynwyd gyda cherdyn rhodd e; dim ond cyfnewid y gellir eu gwneud.

Rhodd Am Ddim

Croeso i Roymall, eich gwefan broffesiynol ar gyfer prynu rhoddion siopau adran premium. Rydym yn gwerthfawrogi ac yn gwerthfawrogi eich cefnogaeth, ac rydym am fynegi ein diolch trwy ychwanegu cyffro ychwanegol at eich pryniadau. Pan fyddwch yn siopa gyda ni, nid yn unig y byddwch yn cael mwynhau cynnyrch o ansawdd uchel sy'n gwella eich ffordd o fyw, ond byddwch hefyd yn derbyn rhodd am ddim gyda phob archeb a wnewch. Barod i archwilio ein casgliad a dod o hyd i'ch rhoddion perffaith? Poriwch ein dewis o eitemau siop adran premium, gwneud eich archeb, ac edrych ymlaen at y cyffro o gael eich rhodd am ddim yn dod ochr yn ochr â'ch pryniad.

Polisi Cludo

Byddwn yn gweithio'n galed i gyflwyno eitemau atoch ar ôl derbyn eich archebion a sicrhau eu bod yn cyrraedd yn ddiogel. Bydd manylion cludo yn cael eu darparu yn eich e-bost cadarnhau.Yn y rhan fwyaf o achosion, mae archebion yn cael eu prosesu o fewn 2 ddiwrnod.O dan amgylchiadau arbennig, bydd yn cael ei oedi fel a ganlyn: Pan fyddwch yn gwneud archeb ar ddydd Sadwrn, dydd Sul neu wyliau cyhoeddus, bydd yn cael ei oedi am 2 ddiwrnod..Yn nodweddiadol, mae angen 5-7 diwrnod gwaith (dydd Llun i ddydd Gwener) heb gael eu heffeithio gan oedi hedfan neu ffactorau amgylcheddol eraill..Gan fod ein gwasanaeth cludo yn fyd-eang, bydd yr amseroedd cludo yn dibynnu ar eich lleoliad, felly gall gymryd ychydig o amser ac, os gwelwch yn dda, aros yn amyneddgar os ydych yn ardaloedd neu wledydd anghysbell.

1. Polisi Dychwelyd a Chyfnewid

Dim ond eitemau a brynwyd ar roymall.com y byddwn yn eu derbyn. Os ydych yn prynu gan ein dosbarthwyr lleol neu fanwerthwyr eraill, ni allwch eu dychwelyd atom ni. Ni fydd eitemau gwerthu terfynol neu roddion am ddim yn cael eu derbyn ar gyfer dychwelyd. I fod yn gymwys i'w dychwelyd, rhaid i'ch eitem fod yn heb ei defnyddio ac yn yr un cyflwr ag yr oedd pan gawsoch hi. Rhaid iddi hefyd fod yn y pecyn gwreiddiol.Ar ôl derbyn cyfarwyddiadau dychwelyd gennym, os gwelwch yn dda, pecynwch eich eitemau a ddychwelwyd a gollwng eich pecyn yn y swyddfa bost leol neu gludwr arall.
Byddwn yn prosesu'ch eitem a ddychwelwyd neu a gyfnewidir o fewn 3-5 diwrnod gwaith ar ôl iddo gyrraedd. Bydd yr ad-daliad yn cael ei brosesu a'i gredyd yn awtomatig i'ch dull talu gwreiddiol.Ni ellir derbyn dychweliadau na chyfnewidiadau os cafodd y cynnyrch ei gynhyrchu'n bersonol, gan gynnwys maint wedi'i gyfaddasu, lliw wedi'i gyfaddasu neu argraff wedi'i gyfaddasu.Angen mwy o help, os gwelwch yn dda, cysylltwch â ni. service@roymall.com neu Whatsapp: +447549870296

2.Polisi Ad-dalu

Byddwch yn cael ad-daliad llawn neu gredyd siop 100% ar ôl i ni dderbyn y pecyn a ddychwelwyd a'i wirio. Bydd yr ad-daliad yn cael ei brosesu a'i gredyd yn awtomatig i'ch dull talu gwreiddiol. Sylwch nad yw costau cludo ac unrhyw drethi neu ffi yn cael eu had-dalu. Nid yw'r costau cludo ychwanegol yn cael eu had-dalu ar ôl i'r pecyn gael ei anfon. Rydych chi'n gyfrifol am dalu'r ffioedd hyn, ac ni allwn eu hosgoi na'u had-dalu, hyd yn oed os yw'r archeb yn cael ei dychwelyd atom ni.Ar ôl derbyn a chadarnhau'ch eitem a ddychwelwyd, byddwn yn anfon e-bost atoch i'ch hysbysu ein bod wedi derbyn eich eitem a ddychwelwyd. Byddwn hefyd yn eich hysbysu am gymeradwyo neu wrthod eich ad-daliad.Os oes gennych unrhyw broblemau ynghylch y broses ad-dalu, os gwelwch yn dda, cysylltwch â ni. service@roymall.com neu Whatsapp: +447549870296

Specifications:

Note: Please note that this product only has a step-down function and cannot boost the voltage.

Scope of application	High-power LED constant current drive, lithium battery charging (including ferroelectric), 4V, 6V, 12V, 14V, 24V battery charging, NiCdNiMH battery (battery pack) charging , solar panels, wind generators
Input voltage	DC6-40V
Output voltage	Continuously adjustable (1.2-32VDC) below 32V for a long time (suitable for applications where the input voltage is higher than the output voltage and cannot be boosted)
Output current	Maximum 20A within 15A for a long time (power tube temperature exceeds 65 degrees, please add a fan to dissipate heat, high voltage output please derate use)
Adjustable resistance	100K
Current limit range	0.2-20A (adjustment) module exceeds 65 degrees, please add a fan .
Minimum dropout voltage	3V
Operating frequency	150KHZ
Conversion efficiency	Up to about 96% efficiency is related to dropout voltage and operating environment
Output ripple	Ripple around 50mV (excluding noise) 20M bandwidth (for reference only) input 24V Measured
Working temperature	-10°C to +75°C) (please pay attention to the power tube temperature in actual use, if the temperature is too high, please strengthen heat dissipation or derate use)
Potentiometer adjustment direction	Clockwise (increase), counterclockwise (decrease )
Output short-circuit protection	YES (instantaneous protection) constant current (currently set constant current value can not be short-circuited for a long time)
Wiring method	Terminal block
Module size	605330MM
Net weight	about 85 grams

Features:

1. Wide range of applications: The adjustable step-down power supply module is suitable for a variety of applications, including high-power LED constant current drive, lithium battery charging, battery charging for different voltage levels, solar panels, wind generators, and more.2. High output current: With a maximum output current of 20A and long-term output current of 15A, this module can handle high-power applications with ease. However, it is important to note that when the power tube temperature exceeds 65 degrees, it is recommended to add a fan to dissipate heat and derate use for high voltage output.3. Continuously adjustable output voltage: The output voltage can be continuously adjusted from 1.2-35VDC, making it ideal for applications where the input voltage is higher than the output voltage and cannot be boosted.4. High conversion efficiency: With up to about 96% efficiency, this module is highly efficient and can help save energy and reduce costs. The efficiency is related to dropout voltage and operating environment.5. Compact size and easy installation: The module is small in size (60*53*30MM) and easy to install with a terminal block wiring method. It also comes with output short-circuit protection for added safety. Overall, the adjustable step-down power supply module is a versatile and reliable solution for a wide range of applications, offering high output current, continuously adjustable output voltage, high conversion efficiency, and easy installation in a compact size.

Package Include:

1 x Adjustable Step-down Power Module

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20A Constant Current Adjustable Step-down Power Module 300W High Power Synchronous Rectification Power Module Charging LED Driver Board

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BDR
HU
06/06/2023

Perfect product. Thanks!

Perfect product. Thanks!

Perfect product. Thanks!
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pgteam VIP5
HU
31/05/2024

Szuper jól működik köszönöm szépen.

Works super great, thank you very much.

Works super great, thank you very much.
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Q:
60v to 12v its possible

60v to 12v it's possible
60v to 12v its possible

A:

input max. 40V

input max. 40C

Answered by Natean on 24/03/2024Helpful (0)