The Traco Power TXL 035-1515D is a professional industrial AC/DC switching power supply designed to provide regulated dual-output voltages of +15VDC and -15VDC for electronic equipment, industrial automation systems, measurement instruments, control electronics, telecommunications equipment, laboratory devices, and professional applications requiring symmetrical power rails.

This compact and reliable power supply converts a universal AC input voltage ranging from 100 to 240 VAC into two regulated DC outputs, making it particularly suitable for analog circuits, operational amplifiers, signal conditioning equipment, industrial control systems, medical devices, and instrumentation applications.

Thanks to its universal input range, the TXL 035-1515D can be installed worldwide without the need for manual voltage selection, ensuring flexible integration into industrial and professional environments.

⚙️ Technical Specifications

General Information

Manufacturer: Traco Power
Model: TXL 035-1515D
Series: TXL
Type: Industrial AC/DC Switching Power Supply
Technology: Dual Output Regulated Power Supply

AC Input

Input Voltage: 100 – 240 VAC
Input Current: 1.0 A Max
Frequency: 47 – 63 Hz
Universal Input Range

DC Outputs

Positive Output: +15 VDC / 1.3 A
Negative Output: -15 VDC / 1.3 A
Total Output Power: 35 W
Regulated Dual Output

Connections

Input Terminals

L = Line (Phase)
N = Neutral
PE = Protective Earth

Output Terminals

GND = Ground
V1 = +15 VDC
V2 = -15 VDC

Output Adjustment

Integrated Vadj Trimmer for Fine Voltage Adjustment

Certifications

CE Certified
cRUus (UL Recognized)

🔧 Main Functions

✔ Conversion of AC mains voltage to regulated ±15VDC outputs

✔ Power supply for analog and mixed-signal electronic circuits

✔ Support for operational amplifiers and instrumentation systems

✔ Supply of industrial control and automation equipment

✔ Powering telecommunications and laboratory devices

✔ Stable dual-voltage operation for sensitive electronics

✔ Continuous-duty industrial performance

✔ Universal AC input compatibility

🔌 Applications

Ideal for:

Industrial Automation Systems
PLC and Control Equipment
Measurement and Instrumentation Devices
Signal Conditioning Circuits
Operational Amplifier Systems
Laboratory Equipment
Telecommunications Hardware
Medical Electronics
Industrial Control Panels
Research and Development Applications
Electronic Test Equipment

🧩 Purpose and Operation

The TXL 035-1515D is specifically designed for applications requiring symmetrical DC power rails.

The dual-output design provides both positive and negative voltage supplies simultaneously, making it ideal for electronic circuits that operate around a common ground reference, such as:

• Analog signal processing circuits
• Operational amplifiers
• Data acquisition systems
• Audio and instrumentation electronics
• Industrial control boards

Unlike standard single-output power supplies, this model delivers both +15VDC and -15VDC simultaneously, allowing proper operation of professional electronic equipment requiring bipolar power sources.

⚠️ Typical Faults and Symptoms

Output Voltage Failure

Symptoms:

❗ Missing +15V or -15V output
❗ Equipment not powering on
❗ Malfunctioning analog circuits

Capacitor Aging

Symptoms:

❗ Voltage instability
❗ Increased output ripple
❗ Intermittent operation

Overheating Issues

Symptoms:

❗ Unexpected shutdowns
❗ Reduced output performance
❗ Thermal protection activation

Terminal Oxidation

Symptoms:

❗ Poor electrical contact
❗ Voltage drops
❗ Intermittent power loss

Internal Switching Circuit Failure

Symptoms:

❗ No output voltage
❗ Startup failure
❗ Complete power supply shutdown

🚨 Possible Associated Problems

A defective power supply may cause:

Power Supply Failure
Output Voltage Error
Control System Malfunction
Instrumentation Failure
Analog Circuit Instability
PLC Communication Errors
Unexpected Equipment Resets
Signal Processing Errors
Industrial System Downtime
Startup Failure

🛠 Applications for Repair and Replacement

Replacement of faulty industrial power supplies
Control panel maintenance
Instrumentation repairs
Automation system servicing
Laboratory equipment refurbishment
Industrial electronics repair
Professional maintenance operations

✅ Product Condition

Used
Tested and Fully Functional
Verified Prior to Sale
Normal Signs of Use and Minor Terminal Oxidation
Sold Exactly as Shown in the Photographs

📦 Package Contents

1 × Traco Power TXL 035-1515D Industrial Power Supply

🟢 Summary

The Traco Power TXL 035-1515D is a professional 35W industrial AC/DC switching power supply featuring dual regulated outputs of +15VDC and -15VDC at up to 1.3A. Designed for industrial automation, instrumentation, telecommunications, laboratory equipment, and professional electronics, it offers reliable operation, universal 100–240VAC input compatibility, and stable symmetrical power rails for demanding applications requiring bipolar DC voltages.