Project Description

SD1520KD single output switch power supply is a kind of DC regulated power supply.

It has high efficiency, stronger load ability, and long continuous working period characteristics. Also it has perfect over voltage, over temperature, overload protection functions and so on. It can act as constant voltage as well as constant current DC power supply. This series of power supplies are first choices for scientific and research institutions, colleges, factories units ect.


Input voltage: Single phase 220V±10% 50Hz (Customize 110V±10% 60Hz)

Display accuracy: ±1%±1 digit


Output voltage: 0-15V (Continuously adjustable)

Voltage stabilization: ≤ 0.05%+1mV

Load stabilization: ≤ 0.1%+5mV

Ripples and noises: ≤ 10mV r.m.s.


Output current: 0-20A (Continuously adjustable)

Current stabilization: ≤ 0.05%+10mA

Load stabilization: ≤ 0.1%+10mV

Ripples and noises: ≤ 20 r.m.s.


Overall efficiency: ≥ 86%

Surge current: 30A/115V, 60A/230V (Cold-start)

Input leakage current: ≤ 0.7mA/230V

Ground resistance: ≤ 20mΩ

Withstanding voltage test

From input to output voltage: 1.5KV AC/min

From input voltage to case: 1.5KV AC/min

From output voltage to case: 500V AC/min


Working conditions: -10℃ – 40℃

Relative humidity: ≤ 90%

Storage conditions: -20℃ – 80℃

Relative humidity: ≤ 80%

Protection: OVP, OCP, OPP, OTP

Dimension: 470*320*220mm


Model No. Spec. Description
SD1520KD 15V 20A

300W adjustable digital Switching DC Power Supply with 15V 20A for business

SD1530KD 15V 30A 450W variable digital display Switching DC Power Source with 15V 30A for education
SD3010KD 30V 10A 300W digital portable Switching DC Power Supply with 30V 10A for industry
SD3020KD 30V 20A 600W continuous adjustable Switching DC Power Source with 30V 20A for lab
SD3030KD 30V 30A 900W portable desktop Switching DC Power Supply with 30V 30A for producing line
SD6010KD 60V 10A 600W adjustable digital benchtop Switching Power Source with 60V 10A for lab
SD6020KD 60V 20A High power digital desktop Switching DC Power Supply with 60V 20A for instrument
SD6030KD 60V 30A High power adjustable digital Switching DC Power Source with 60V 30A for manufacturing


More ACCURATE display models…