This is a DC linear power supply without high frequency ripple interference. It has the characteristics of strong practicability, simple interface, stable design performance, and has power status indicator lights to indicate power failure conditions. It is a module with excellent performance-price ratio.
About this manual
The KWTZN Access Professional Power Supply is a DC linear unit designed for low‑frequency ripple interference. It features a simple interface, status indicator LEDs for fault detection, and stable performance.
Key specifications include a 7 Ah 12 VDC battery, adjustable output voltage from 10.3 V to 14.5 V, and a 50 W AC transformer delivering 3.5‑4 A. The device also incorporates a replaceable fuse for short‑circuit protection. This manual is written in Chinese.
What's inside
- Overview
- Performance Parameters
- Physical Layout
Specifications
| Battery capacity | 7 AH 12 VDC |
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| Output voltage range | DC10.3V‑DC14.5V (adjustable) |
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| Transformer power | 50 W, 3.5‑4 A |
Frequently asked questions
What is the battery specification of the power supply?
The device uses a 7 AH 12 VDC battery, which can be paralleled to extend discharge time.
How can the output voltage be adjusted?
The output voltage is adjustable between 10.3 V and 14.5 V using a potentiometer.
What protection does the unit have against short circuits?
A replaceable fuse (rated 5 A) protects the circuit from short‑circuit damage.