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

Technical Overview

480W 24VDC 20A DIN rail mount power supply with 85-277VAC/80-370VDC input, IP20, 92% efficiency, and -25°C to 70°C operating temp. Handles 300% peak loads.

Key Features

Single output, 24V DC, 20A
480W output power
Wide input voltage range: 85-277V AC / 80-370V DC
DIN rail mountable (TS35)
IP20 protection degree
High efficiency of 92%
Operating temperature from -25°C to 70°C
Short circuit protection and series switching capability
Status indication via LED (red/green) and relay
Metal, corrosion-resistant housing
MTBF > 500,000h (25°C, IEC 61709)
Suitable for side-by-side mounting without spacing

Technical Specification Matrix

Parameter	Value
Output Power	480 W
Output Voltage	24 V DC
Output Current	20 A
Input Voltage AC	85 - 277 V AC
Input Voltage DC	80 - 370 V DC
Efficiency	92 %
IP Rating	IP20
Operating Temperature	-25 °C to 70 °C
Storage Temperature	-40 °C to 85 °C
Mounting Type	DIN Rail (TS35)
Overload Capability	Continuous 20%, Short-term peak 300%
Current Limiting	> 120% IN
MTBF	>500,000h (25°C, IEC 61709)
Surge Voltage Category	III
Conductor Cross-section (Input Flexible)	0.22 - 4 mm²
Conductor Cross-section (Input Rigid)	0.18 - 6 mm²
Physical Weight (kg)	2
Dimensions L x W x H (cm)	15 x 9 x 13

Industrial Applications

1. Industrial Control Panel Power for Automation Systems

This power supply is ideal for providing stable 24V DC power to PLCs, HMI panels, sensors, and actuators within industrial control cabinets. Its DIN rail mounting and compact design allow for efficient integration into crowded electrical enclosures.

Problem Solved

Ensures reliable operation of critical automation components even under fluctuating AC line conditions (85-277V AC input) and in elevated cabinet temperatures (up to 70°C operating). The 480W/20A output capacity supports multiple devices.

PLC powerHMI powersensor poweractuator powerindustrial automationcontrol cabinetDIN rail24V DCwide input voltagehigh temperature operation

2. Process Control Systems in Harsh Environments

Given its robust metal, corrosion-resistant housing and IP20 rating, this PSU can be used to power distributed I/O modules and field instruments in process control applications where moderate dust and temperature variations are present, but direct water exposure is not expected.

Problem Solved

Provides a stable and protected 24V DC supply (IP20) for sensitive process control electronics, tolerating industrial temperature extremes (-25°C to 70°C) and maintaining performance with its high efficiency (92%), reducing heat generation within the enclosure.

Process controldistributed I/Ofield instruments24V DCIP20corrosion-resistantrobustwide operating temperaturehigh efficiency

3. Machine Building with High Peak Loads

For machinery applications that experience intermittent high current demands, such as motor starts or pneumatic/hydraulic valve activations, this power supply's ability to handle continuous overloads up to 20% and short-term peak loads of 300% makes it suitable.

Problem Solved

Prevents system shutdowns or erratic behavior during transient high current events, ensuring continuous operation of machinery. The 20A output at 24V DC handles significant loads, and short-circuit protection safeguards the system from faults.

Machine buildingmotor controlsolenoid valvespneumatic systemshydraulic systemspeak loadsoverload capabilityshort-circuit protection24V DC20A