ETEL EA‑S0M‑300‑40/80A‑0000‑00 AccurET Modular Power Supply

The ETEL EA‑S0M‑300‑40/80A‑0000‑00 is a modular power supply unit from the AccurET series, designed to provide a regulated DC bus for up to multiple servo drives in a motion control system. It accepts a three‑phase AC input and delivers a stable 300 VDC output with a continuous current capacity of 40 A and a peak of 80 A. This power supply is ideal for high‑power multi‑axis systems that require consistent and clean power.

Featuring active power factor correction, regenerative braking with a built‑in resistor, and comprehensive protection, this module ensures reliable operation even under fluctuating load conditions. Its modular design allows easy integration with other AccurET components.

Key Features

• Continuous output: 40 A, peak: 80 A

• Output voltage: 300 VDC (adjustable ±10%)

• Input: 400–480 VAC, three‑phase, 50/60 Hz

• Active PFC for high power factor

• Regenerative braking with internal resistor

• Active inrush current limiting

• Status LEDs and fault relay output

Technical Specifications

Input voltage: 400–480 VAC ±10%, 50/60 Hz; output voltage: 300 VDC ±1%; rated power: 12 kW continuous; efficiency: > 95%; protection: overcurrent, overvoltage, undervoltage, overtemperature, short‑circuit; operating temperature: 0°C to +45°C; dimensions: 280 x 200 x 110 mm.

Applications

Used as a central power source for AccurET servo drives in CNC machines, robotic systems, and automated production lines. Also suitable for testing and laboratory setups.

Installation and Wiring

Mount the module in a control cabinet with adequate ventilation. Connect the three‑phase supply and the DC output to the drive bus. Ensure proper grounding and use of appropriate cable cross‑sections. The module includes a pre‑charge circuit to limit inrush current.

Reliability and Maintenance

Built with industrial‑grade components and includes thermal monitoring. Periodic inspection of cooling fans and cleaning of air filters is recommended.

Why Choose the EA‑S0M‑300?

This power supply offers a robust and efficient solution for powering multiple servo drives, ensuring system stability and reducing installation complexity. ETEL's quality ensures long‑term reliability.

In summary, the ETEL EA‑S0M‑300‑40/80A provides a stable and powerful DC supply, essential for high‑performance motion control systems.