QDTB® Transformer

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Small-Switching Series DC Power Supplies

17 Models available

Small-Switching DC Power Supplies

Images are for illustration purposes only

Small Switching DC Power Supply Series

Compact switching mode DC power supplies for low-power industrial applications, featuring high efficiency and reliable performance in a small form factor.

Model Number Breakdown

SmallCompact form factor
SwitchingSwitching mode topology

Key Features

Switching mode high efficiency

Compact DIN rail mount design

Wide input voltage range

Short circuit and overload protection

Applications

  • Industrial automation
  • LED lighting
  • Telecommunications
  • Security systems

Specifications Range

All specifications and dimensions can be customized upon request

Model Selector

Key parametersModel Range
Capacity25–720 W
Input voltageAC 220 V
Output voltage5V, 12V, 24V, 36V, 48V
Output current5, 10, 20, 40, 30
Frequency (Hz)50/60
Efficiency≥85%
ProtectionOver-voltage, over-current, short-circuit
StandardGB/T 17478, IEC 61204
Select 2-3 models to compare
CompareModelSeriesPower (W)Output voltageOutput currentFrequency (Hz)WeightDimensions
PS-5V-5ASmall-Switching25W5V550/600.2 kg86×58×33 mm
PS-5V-10ASmall-Switching50W5V1050/600.4 kg159×98×42 mm
PS-5V-20ASmall-Switching100W5V2050/600.6 kg198×98×42 mm
PS-5V-40ASmall-Switching200W5V4050/600.8 kg200×110×49 mm
PS-12V-5ASmall-Switching60W12V550/600.15 kg95×60×25 mm
PS-12V-10ASmall-Switching120W12V1050/600.7 kg198×98×42 mm
PS-12V-20ASmall-Switching240W12V2050/600.8 kg200×110×49 mm
PS-12V-30ASmall-Switching360W12V3050/601 kg215×115×51 mm
PS-12V-40ASmall-Switching480W12V4050/601 kg215×115×51 mm
PS-24V-5ASmall-Switching120W24V550/600.65 kg198×98×42 mm
PS-24V-10ASmall-Switching240W24V1050/600.8 kg200×110×49 mm
PS-24V-20ASmall-Switching480W24V2050/601 kg215×115×51 mm
PS-24V-30ASmall-Switching720W24V3050/601 kg215×115×51 mm
PS-36V-5ASmall-Switching180W36V550/600.65 kg198×98×42 mm
PS-36V-10ASmall-Switching360W36V1050/600.8 kg200×110×49 mm
PS-48V-5ASmall-Switching240W48V550/600.4 kg159×98×42 mm
PS-48V-10ASmall-Switching480W48V1050/600.7 kg198×98×42 mm

Product Drawing

Electrical Equipment - PS-12V-20A

APPEARANCE — ENCLOSURE
DC OUTPUT24V / 10A+V−VSWITCHING POWER SUPPLYPS-12V-20A
SCHEMATIC — AC→DC
DC POWER SUPPLY — AC → DCAC INRECTIFIERC+DC OUTPS-12V-20A
OUTPUT CHARACTERISTIC — CV/CC
OUTPUT CHARACTERISTIC — CV / CCCV (constant voltage)CCI (current)V (voltage)PS-12V-20A

Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.

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EXW (FOB Qingdao)
$14
Range $13 ~ $158%)
Price Breakdown
Base price (interpolation)$14
× Product factor×1.0000
× Country factor×1.0000
× Copper-linked factor×1.0000
+ Options / accessories$0
Shipping quoted separately per destination port.

Complete equipment — no winding copper linkage

Reference prices are for estimation only and do not constitute a formal offer.

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