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DaygreenDaygreen 8-40V to 12V 3A-30A step-up-down DC-DC Converter DG-SUD-8-40-12V
DC-DC convertersHover to zoom

Daygreen · DC-DC converters

Daygreen 8-40V to 12V 3A-30A step-up-down DC-DC Converter

SKUDG-SUD-8-40-12V

Daygreen DC-DC converters · Power, drivers & controls. Specified, quoted and supplied by Project Supplies for commercial projects.

Input voltage8-40V / 12-30V
Output voltage12V
Output current3–30 A
Output power36–360 W
Price on requestQuoted for your configuration and quantity.
Technical clarificationCompiled from the supplied Daygreen company brochure (English). Ratings, efficiency and warranty are supplier claims; confirm the exact model datasheet, input range and installation requirements before ordering.
Project Supplies specification sheet

Confirm the specification and quotation before ordering.

Product introduction

DC-DC converters

8-40V to 12V 3A-30A step-up-down DC-DC Converter from Daygreen for vehicle, marine, telecom and off-grid systems. 9 catalogue models, 36–360 W. Customised voltages and currents are available on request.

Key data: input voltage 8-40V / 12-30V; output voltage 12V; output current 3–30 A; output power 36–360 W.

This record covers 9 catalogue models; the full model table is listed below and in the specification sheet. Tell us the exact model in your RFQ.

Every order starts with an RFQ: we confirm the exact variant, options, lead time and commercial terms in an itemised quotation before anything is ordered.

Input voltage8-40V / 12-30V

Output voltage12V

Output current3–30 A

Output power36–360 W

Efficiency (as published)95%

No-load current (as published)<60MA

Warranty (as published)2-year / 3-year

Specifications

The technical details.

Download specification sheet
Product type
DC-DC step up-down converter
Input voltage
8-40V / 12-30V
Output voltage
12V
Output current
3–30 A
Output power
36–360 W
Efficiency (as published)
95%
No-load current (as published)
<60MA
Warranty (as published)
2-year / 3-year
Models
B03-0840-12, B06-0840-12, B10-0840-12, B15-0840-12, B20-0840-12, B25-0840-12, B30-0840-12, DE12D1206, DE12D1210
Model count
9

Models & variants

Choose the exact model.

Values as published by Daygreen. Name the exact model or variant in your RFQ.

P/NInput voltageOutput voltageOutput currentOutput powerEfficiencyNo-load currentDimensions (mm)Net weightWarrantyDrawing
B03-0840-128-40V12V3A36W95%<60MA66*59*23135g2-yearSee figure 3
B06-0840-128-40V12V6A72W95%<60MA74*74*31270g2-yearSee figure 4
B10-0840-128-40V12V10A120W95%<60MA74*74*31285g2-yearSee figure 4
B15-0840-128-40V12V15A180W95%<60MA100*80*38500g2-yearSee figure 5
B20-0840-128-40V12V20A240W95%<60MA100*80*38500g2-yearSee figure 5
B25-0840-128-40V12V25A300W95%<60MA100*80*38500g2-yearSee figure 5
B30-0840-128-40V12V30A360W95%<60MA100*80*38500g2-yearSee figure 5
DE12D120612-30V12V6A72W95%<60MA73*56*22145g3-yearSee figure 6
DE12D121012-30V12V10A120W95%<60MA73*56*22145g3-yearSee figure 6

Documents

Specification sheet & source.

Project Supplies specification sheet

DG-SUD-8-40-12V

Product image, key data, the full specification, the model table and document control — laid out for project submittals.

PDF · A4Reviewed 2026-10-05Daygreen
Open specification sheet

Technical source

Daygreen

Checked 2026-10-05. Manufacturer values are reference specifications; confirm the exact variant and installation requirements before approval.

View source
Installation & support Site coordination, installation and commissioning.Procurement services Items beyond the catalogue sourced and consolidated.Project quotation One itemised quotation for the whole package.