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Product Introduction

APS series power supply is designed for the needs of electronic training 
schools, communication maintenance technicians and related engineering 
research and development personnel. The current best-stability series voltage 
stabilization scheme is adopted for this product, and the digital MCU chip is 
used for control. With very high stability and low ripple, simple operation and 
control, and complete protection functions, it provide the user with convenient 
and reliable high quality power supply.

Product Specification

Power input: refer to the voltage identification at the tail of the product (other 
input voltage can be customized).

Rated value/dimensions/weight:

Model

Voltage Regulation 

Range

Current Regulation 

Range

Input Power

Weight

APS15-3A

0-5V/0-15V

0-0.5A/0-3A

124VA

2.4Kg

Dimensions

:(L) 

215mm

 *(W) 

88mm

 * (H)

150mm

Technical Parameters

Constant Voltage mode (CV):

Output voltage range: 0 to rated voltage continuously adjustable.
Power supply variation rate: ≤ 0.01%+3mV.
Load variation rate: ≤ 0.01%+3mV (rated current ≤ 3A).

User Manual of APS15-3A 

Maintenance Power Supply 

Thank you for choosing our product. Please read this manual carefully before 
using this product.

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4

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Copyright Information

The design of this product (including internal software) and its accessories is 
protected by national laws. Any infringement of our rights shall be subject to the 
legal sanctions. When using this product, the user shall consciously abide by 
the national laws.

Common Symbol Description

Thank you for use our product. Please read this manual carefully and pay 
attention to the relevant warnings and notices mentioned in the manual before 
using this product.

Warning

Notice

Noncompliance may cause death or serious injury to the user.

Noncompliance may cause injury to the user or substantial damage 
to the object.

User Prerequisites

We request that the user should have common sense of life and the basic 
electrical operating knowledge before using this product. The minor shall use 
this product under the guidance of professionals or guardians.

[Notice]: To avoid damaging the machine and keep the operating 
environment safe, please read this manual carefully and keep it properly 
for future reference before using this product.

Safety Precautions

The user shall follow the following basic precautions to avoid electric shock or 
personal injury or fire and other hazards when using this product.

To ensure personal safety, the user shall use the parts and accessories 
recognized or recommended by ATTEN, otherwise it will cause serious 
consequence!

Warning

Do not use this product near inflammables.
Before use, please ensure that the power line is earthed reliably to avoid 
electric shock.
Do not use this product if the user is not under the guidance of relevant 
personnel, inexperienced or has poor knowledge preparation.
Do not use this product in the humid environment or operate this product 
with wet hands to prevent electric shock.
Do not change this product and its accessories without permission.
Please replace the product components with ATTEN original components.
Be sure to turn off the power switch when the user temporarily needs not 
to use or stops using this product.
There is high voltage in the product. Do not disassemble the product 
without permission from professionals.

Notice

Avoid using this power supply in the environment above 40

.

 Reserve 

enough space for heat emission holes on the rear panel to dissipate heat.
Confirm whether the current and voltage as well as the specification of 
power line meet the requirements.
Before the device is connected to the power supply, please turn off the 
power switch.
Do not refit this product and its accessories, which will cause the loss of 
warranty qualification and the damage to the product.
Do not place heavy objects on the device.
Do not violently knock this product and its accessories in use, 
which will damage the product.

Disclaimer

The company shall not be responsible for any personal injury or property loss 
caused by user's failure to follow relevant instructions, natural disasters and 
other force majeure, or individual behaviors and other non-quality problems in 
the use process of this product.

This manual is sorted, compiled and issued by SHENZHEN ATTEN 
TECHNOLOGY CO., LTD according to the latest product characteristics. The 
company will make the subsequent changes to product and manual without 
prior notice.

Protection function: overvoltage protection/overcurrent protection (cut-off 
                                mode, delay start)/overheat protection.
Other functions: locking function, voltage coarse/fine adjustment, sound 
                          function, 5V/15V voltage switching, 0.5A/3A current switching.
Cooling mode: temperature controlled fan, forced air cooling.
Operating environment: 

0℃~40℃

, <80% (indoor use).

Storage temperature and humidity: -10

~70

, <70%.

Packing list: host × 1, power line × 1, user manual × 1.

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