ETEL EA‑S0M‑400‑40/80A‑0000‑00 AccurET Power Supply Module

The ETEL EA‑S0M‑400‑40/80A‑0000‑00 is a high‑power regulated power supply module designed for use with ETEL AccurET servo drives. It converts a three‑phase AC input into a stable DC bus voltage, providing up to 40 A continuous and 80 A peak current to the connected servo drives. This module is essential for high‑power multi‑axis systems, ensuring a clean and reliable power source for optimal drive performance.

In addition to power conversion, the module includes an integrated regenerative braking circuit that dissipates excess energy during deceleration, protecting the DC bus from overvoltage. It also features active inrush current limiting and comprehensive fault diagnostics.

Key Features

• Continuous output current: 40 A, peak: 80 A

• Input voltage: 400–480 VAC, three‑phase

• Output DC voltage: 600–800 VDC (adjustable)

• Built‑in regenerative resistor (external optional)

• Active inrush current limiting

• Status LEDs and relay fault output

• Forced‑air cooling with fan speed control

Technical Specifications

Input: 400–480 VAC ±10%, 50/60 Hz; rated power: 25 kW; efficiency: > 96%; protection: overcurrent, overvoltage, undervoltage, overtemperature, short‑circuit; operating temperature: 0°C to +45°C; dimensions: 280 x 200 x 110 mm; weight: 4.5 kg.

Applications

Used as a central power supply for multiple AccurET drives in large CNC machines, robotic cells, and automated production lines. Also suitable for stand‑alone high‑power servo systems.

Installation and Wiring

Mount the module in a control cabinet with adequate ventilation. Connect the three‑phase mains input and the DC output terminals to the drive(s). Ensure proper grounding and use of appropriate cable gauges. The module includes a pre‑charge circuit to prevent inrush current.

Reliability and Maintenance

Built with industrial‑grade capacitors and thermal management. Regular inspection of cooling fans and filter cleaning is recommended. The module provides diagnostic outputs for remote monitoring.

Why Choose the EA‑S0M‑400?

This power supply module delivers stable and robust DC power, essential for high‑performance motion control. Its integration with AccurET drives ensures seamless compatibility and system reliability.

In summary, the ETEL EA‑S0M‑400‑40/80A is a dependable power solution for demanding servo systems, ensuring uninterrupted operation and protection.