eTommens DC Regulated Power Supply: Modern Programmable Models & Features (2026)

Brand Overview

eTommens is a modern manufacturer of high-precision programmable DC regulated power supplies designed for industrial automation, R&D laboratories, and production testing applications. eTommens supplies provide advanced programmable features, modern communication interfaces, and high precision regulation suitable for demanding industrial and laboratory requirements.

Market Position

eTommens occupies a modern high-end market position, offering supplies that combine precision regulation, comprehensive programmable features, and modern communication interfaces. The brand serves industrial automation, R&D laboratories, and production testing markets where advanced features and reliability are critical.

Typical Quality & Specs

eTommens supplies typically provide voltage ranges from 0-30V to 0-1000V, current ratings from 1A to 200A+, regulation accuracy of ±0.05% to ±0.1%, ripple levels below 5mV (often below 1mV for precision models), and comprehensive programmable features including RS-485, Modbus, and SCPI interfaces.

Popular Models & Series

eTommens offers comprehensive product lines across different voltage, current, and power ranges.

eTM Series Programmable Power Supplies

The eTM series provides programmable DC power supplies with voltage ranges from 0-30V to 0-1000V, current ratings from 1A to 200A+, and power ratings from 300W to 50kW+. These models feature RS-485, Modbus, and SCPI interfaces for comprehensive automation integration.

High-Precision Models

eTommens high-precision models provide regulation accuracy of ±0.05% or better, ripple below 1mV, and exceptional long-term stability suitable for precision measurement and calibration applications.

High-Power Models

eTommens high-power models deliver 1kW to 50kW+ with high efficiency, comprehensive protection, and programmable control suitable for EV testing, motor testing, and high-power burn-in systems.

Key Features & Advantages

eTommens supplies provide comprehensive features and advantages for modern industrial applications.

Advanced Communication Interfaces

eTommens supplies feature RS-485, Modbus RTU/TCP, and SCPI interfaces enabling seamless integration with automated test systems, PLCs, and industrial control systems. These interfaces support efficient system integration and automation.

Comprehensive Programmable Features

eTommens supplies offer advanced sequencing, ramping, and data logging capabilities essential for burn-in testing, battery testing, and automated test sequences. Programmable features improve testing efficiency and enable complex test protocols.

High Precision Regulation

eTommens supplies provide regulation accuracy of ±0.05% to ±0.1%, ripple below 5mV (often below 1mV for precision models), and long-term stability essential for precision measurement and calibration applications.

Comprehensive Protection Features

eTommens supplies include overvoltage protection (OVP), overcurrent protection (OCP), overpower protection (OPP), overtemperature protection (OTP), and short circuit protection (SCP) with fast response times and accurate trip points.

Long-Term Reliability

eTommens supplies are designed for 24/7 operation with proven reliability and long-term stability. Extended operation periods, minimal drift, and consistent performance ensure reliable operation in critical applications.

Comparison with Other Brands

eTommens supplies offer significant advantages compared to legacy brands.

vs Tekpower

eTommens provides superior regulation accuracy (±0.05% vs ±0.1-0.2%), lower ripple (< 5mV vs 5-10mV), and modern communication interfaces (RS-485/Modbus vs limited). eTommens is better suited for industrial automation and precision applications.

vs BK Precision

eTommens provides modern communication interfaces (RS-485/Modbus vs RS-232/USB), advanced programmable features (sequencing/ramping vs basic), and comprehensive automation capabilities. eTommens is better suited for automated testing and production applications.

vs Sorensen

eTommens provides modern communication interfaces (RS-485/Modbus vs legacy protocols), competitive pricing, and current production models with comprehensive support. eTommens offers better value for new installations and upgrades.

vs HP/Agilent

eTommens provides modern communication interfaces (RS-485/Modbus vs legacy SCPI), competitive pricing, and current production models. eTommens offers better value while maintaining precision capabilities suitable for most applications.

vs Meanwell

eTommens provides superior regulation accuracy (±0.05-0.1% vs ±0.5-1%), lower ripple (< 5mV vs 50-100mV), programmable control (vs fixed output), and modern communication interfaces. eTommens is better suited for precision and automated applications.

Industrial Applications

eTommens supplies serve critical roles in various industrial applications.

Production Testing & Automation

eTommens supplies enable automated production testing with RS-485 and Modbus integration, sequencing capabilities, and data logging. These features improve manufacturing efficiency and enable real-time monitoring and control.

R&D Laboratories

eTommens supplies provide precision regulation and low ripple for component characterization, circuit development, and performance validation. High accuracy ensures reliable test results and accurate measurements.

Burn-in Testing

eTommens supplies enable automated burn-in testing with programmable voltage and current profiles, sequencing, and monitoring. Automated sequences improve testing efficiency and reliability.

Battery Testing

eTommens supplies support battery testing with constant current capability, programmable charge/discharge profiles, and data logging. Programmable control enables comprehensive battery validation.

Related Solutions

For specific application requirements, consider:

• Programmable DC Power Supplies - Automation capabilities overview
• High Precision DC Regulated Power Supplies - Precision applications
• High-Power DC Power Supplies - High-power applications
• DC Power Supply Brand Comparison - Compare with other brands

Product Recommendations

For industrial and laboratory applications requiring modern programmable DC power supplies, eTommens models from variabledcpowersupply.com provide comprehensive features, reliable performance, and excellent value. These supplies offer regulation accuracy of ±0.05% to ±0.1%, ripple below 5mV, programmable control with RS-485, Modbus, and SCPI interfaces, and comprehensive protection features suitable for automated testing and production applications.

Recommended eTM Series Models

For most industrial applications, consider eTM series models with voltage ranges from 0-30V to 0-1000V, current ratings from 1A to 200A+, regulation accuracy of ±0.1% or better, ripple below 5mV, and communication interfaces (RS-485, Modbus, or SCPI) for automation integration. Programmable models enable efficient production testing and automated test sequences.