Weidmuller PRO ECO3 120W 24V 5A II Power Supply

Technical Overview

120W 24V 5A switch-mode power supply with adjustable output, IP20, DIN rail mount, and -25 to 70°C operating temperature.

Key Features

Adjustable output voltage (22-28 V)
DC-OK LED for status indication
Output voltage correctness indication (NO contact)
Short-circuit and overload protection
Protection against reverse voltages from the load (30-35 V DC)
Parallel connection option
DIN rail mounting for easy installation
Screw connection terminals for secure wiring

Technical Specification Matrix

Parameter	Value
Output Power	120 W
Output Voltage	24 VDC (adjustable 22-28 V)
Output Current	5 A (at 55 °C)
Input Voltage (3-phase AC)	400 V / 500 V (3 x 320-575V AC)
Input Voltage (DC)	450-800 VDC
Number of Outputs	1
Efficiency	86.6%
Operating Temperature	-25 to 70 °C
Storage Temperature	-40 to 85 °C
IP Rating	IP20
Mains Failure Bridge-over Time (min.)	32 ms (400V AC) / 62 ms (500V AC)
Power Loss (Idling)	4.5 W
Power Loss (Nominal Load)	16 W
Max. Residual Ripple	< 50 mVPP / bandwidth 20 MHz
Ramp-up Time	≤ 100 ms
Wire Connection Method	Screw connection
Physical Weight (kg)	0.57
Dimensions L x W x H (cm)	12.5 x 3.1 x 13

Industrial Applications

1. Industrial Control Panel Power

This power supply is ideal for providing stable 24VDC power to critical components like PLCs, HMI panels, and I/O modules within industrial control cabinets. Its DIN rail mounting simplifies installation, and the -25 to 70°C operating temperature ensures reliability in typical factory environments.

Problem Solved

Ensures reliable and regulated 24VDC power distribution to sensitive control electronics, preventing operational disruptions due to voltage fluctuations or power loss.

24VDCDIN RailPLCHMIIndustrial AutomationControl Cabinet

2. Building Automation System Power

Suitable for powering sensors, actuators, and control devices in building automation and management systems. The compact size, high efficiency (86.6%), and wide operating temperature range make it versatile for deployment in various building infrastructure locations, from mechanical rooms to distributed control points.

Problem Solved

Provides efficient and consistent 24VDC power for networked building automation devices, contributing to stable operation of environmental controls, security, and lighting systems.

24VDCBuilding ManagementHVACSensorsActuatorsEnergy Efficiency

3. Machine Vision System Illumination and Control

Delivers precise 24VDC power to industrial cameras, specialized lighting, and embedded vision controllers for machine vision applications. The low residual ripple of < 50 mVPP is crucial for sensitive imaging equipment, ensuring clean power that minimizes noise in vision data, while short-circuit protection safeguards expensive components.

Problem Solved

Supplies clean, stable 24VDC power to sensitive machine vision components, reducing electrical noise that can degrade image quality and protecting equipment from electrical faults.

24VDCMachine VisionIndustrial CameraLED IlluminationLow RippleSensor Power