Weidmuller PRO ECO3 480W 24V 20A DIN Rail Power Supply

Technical Overview

480W DIN rail switch-mode power supply with 3-phase AC/DC input, providing 24V DC (22-28V adjustable) at 20A. IP20 rated.

Key Features

High efficiency of 92.2%.
Adjustable output voltage from 22 V to 28 V DC via potentiometer.
Three-phase AC input (3 x 320-575 V AC) and DC input (450-800 V DC) capability.
Compact design for space-constrained applications.
Operating temperature range from -25 °C to 70 °C.
Screw connection system for input and output.
Integrated protection against short-circuit, overload, and overheating.
IP20 protection degree.
Compatible with DC UPS, electronic load monitoring, and diode modules.
Features DC-OK LED and output voltage correctness indication (NO contact).
Parallel connection option available.

Technical Specification Matrix

Parameter	Value
Input Voltage AC Range	3 x 320...575 V AC / 2 x 360...575 V AC
Input Voltage DC Range	450...800 V DC
Output Voltage	24 V DC (adjustable 22-28 V DC)
Output Current	20 A
Output Power	480 W
Efficiency	92.2%
Frequency	45...65 Hz
Operating Temperature	-25 °C...70 °C
Storage Temperature	-40 °C...85 °C
Humidity	5…95 % rel. humidity, no condensation
IP Rating	IP20
Connection System	Screw connection
Mounting	DIN rail TS35
Mains Failure Bridge-over Time (min.)	20 ms (at 400V input), 21 ms (at 500V input)
Short-circuit Protection	Yes
Overload Protection	Yes
Over-heating Protection	Yes
Protection against Reverse Voltages from Load	30…35 V DC
Max. Residual Ripple	< 50 mVPP / bandwidth 20 MHz
Parallel Connection Option	Yes
Physical Weight (kg)	1.17
Dimensions L x W x H (cm)	12.5 x 6 x 13

Industrial Applications

1. Industrial Control Panels for Factory Automation

Powers various 24V DC components within industrial control cabinets, including PLCs, HMIs, sensors, actuators, and relays, ensuring stable operation of automated factory processes.

Problem Solved

Provides a stable, regulated 24V DC power source capable of handling up to 20A for reliable operation of control systems. The DIN rail mount simplifies installation, and integrated protection features (short-circuit, overload) enhance system integrity during faults.

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2. Robotics and Material Handling Systems

Supplies consistent 24V DC power to robotic arms, conveyor systems, and automated guided vehicles (AGVs) control units or charging stations in demanding automation environments.

Problem Solved

Delivers the necessary 480W power at 24V DC to energize motors, control circuits, and sensors. Its wide operating temperature range (-25°C to 70°C) allows for deployment in various industrial settings, and robust protection features (overheat, overload) enhance operational safety.

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3. Building Automation and HVAC Systems

Provides regulated 24V DC power for building management systems, including HVAC controls, lighting control modules, security systems, and access control infrastructure.

Problem Solved

Ensures a reliable 24V DC supply for critical building infrastructure, preventing operational disruptions due to power fluctuations. The compact, DIN-rail mount design facilitates integration into building electrical cabinets, and the adjustable output voltage (22-28V) offers flexibility for various system requirements.

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