Weidmuller PRO TOP1 120W 24V 5A Switch-Mode Power Supply

Technical Overview

120W, 24V/5A switch-mode power supply. 91% efficiency, >0.85 PF. PUSH IN connections. 85-277VAC/48-410VDC input. IP20 metal housing. 30g shock resistance.

Key Features

High efficiency of 91% for reduced energy costs and improved sustainability.
Wide input voltage range: 85-277 V AC or 48-410 V DC.
Stable 24 V DC output with 5 A nominal current and 120 W power.
PUSH IN connection system for fast, tool-free wiring.
Compact design for high functional density and space-saving installation.
Integrated surge protection via varistor.
Parallel connection capability with ORing MOSFET for redundancy and power increase.
Adjustable output voltage via potentiometer or communication module.
Robust metal, corrosion-resistant housing with IP20 protection.
High shock and vibration resistance (30 g, 2.3 g on DIN rail).
Long mains failure bridge-over time of >20 ms.
Comprehensive signalling via LED (green/red) and status relay.

Technical Specification Matrix

Parameter	Value
Depth	125 mm
Height	130 mm
Width	35 mm
Net weight	850 g
Storage temperature	-40 °C...85 °C
Operating temperature	-25 °C...70 °C
Humidity at operating temperature	5...95%, no condensation
Start-up temperature	≥ -40 °C
RoHS Compliance Status	Compliant with exemption
AC input voltage range	85...277 V AC
Recommended back-up fuse	5 A, DI / 6 A, Char. B / 6 A, Char C
Frequency range AC	45...65 Hz
Rated input voltage	110...240 V AC / 120...340 V DC
Surge protection	Varistor
Input fuse (internal)	Yes
DC input voltage range	48...410 V DC (Derating 40% @ 48 V DC)
Inrush current	max. 5 A
Input current (AC @ 100V)	2 A
Input current (DC @ 120V)	2 A
Nominal power consumption	131.9 VA
Output power	120 W
Mains failure bridge-over time	> 20 ms @ 115V AC/230 VAC
Rated output voltage	24 V DC ±1%
Residual ripple, breaking spikes	<50 mVss @ UNenn, Full Load
Parallel connection option	Yes, for redundancy and power increase (with ORing MOSFET)
Output voltage, max.	28.8 V
Output voltage, min.	22.5 V
Output current, max.	5 A
Nominal output current for Unom	5 A @ 60 °C
Protection against inverse voltage	Yes
DCL - Boost duration (5 s)	150% of rated current
DCL - Boost duration (15 ms)	600% of rated current
Ramp-up time	≤ 100 ms
Power factor (approx.)	> 0.85
Degree of efficiency	91%
Surge voltage category	III, II
Housing version	Metal, corrosion resistant
Earth leakage current, max.	3.5 mA
Power loss, idling	5 W
Power loss, nominal load	11.8 W
AC failure bridging time @ Inom	> 20 ms @ 230 V AC / > 20 ms @ 115 V AC
Protection degree	IP20
Mounting position	Horizontal on DIN rail TS 35
Installation notice (clearance)	Top and bottom 50 mm, neighbouring subassemblies 10 mm
Derating	> 60°C (2.5% / 1°C)
Conformal coating	No
Short-circuit protection	Yes, internal
Shock resistance IEC 60068-2-27	30 g in all directions
Noise emission in accordance with EN55032	Class B
Vibration resistance IEC 60068-2-6 (on DIN rail)	2.3 g
Vibration resistance IEC 60068-2-6 (direct mounting)	4 g
Protection class	I, with PE connection
Insulation voltage, input/output	3.5 kV
Insulation voltage input / earth	3.2 kV
Insulation voltage output / earth	0.5 kV
Input Connection System	PUSH IN with actuator
Input Number of terminals	3 for L/N/PE
Input conductor cross-section, AWG/kcmil, min.	20 AWG
Input conductor cross-section, AWG/kcmil, max.	12 AWG
Input flexible wire cross section, max.	2.5 mm²
Input flexible conductor cross-section, min.	0.5 mm²
Input rigid conductor cross-section, min.	0.5 mm²
Input rigid conductor cross-section, max.	1.5 mm²
Output Connection System	PUSH IN with actuator
Output Number of terminals	5 (++/---)
Output conductor cross-section, AWG/kcmil, min.	26 AWG
Output conductor cross-section, AWG/kcmil, max.	12 AWG
Output flexible conductor cross-section, max.	2.5 mm²
Output rigid conductor cross-section, max.	2.5 mm²
Output flexible conductor cross-section, min.	0.2 mm²
Output rigid conductor cross-section, min.	0.2 mm²
Signal Wire connection cross-section, flexible (max.)	1.5 mm²
Signal Wire connection method	PUSH IN
Signal Wire cross-section, AWG/kcmil, max.	16
Signal Wire cross-section, solid, max.	1.5 mm²
Signal Wire cross-section, solid, min.	0.14 mm²
Signal Wire connection cross-section, flexible (min.)	0.14 mm²
Signal Wire cross-section, AWG/kcmil, min.	26 mm²
Floating contact	Yes
LED indication	Green: Operation (failure-free); Flashing green: advance warning I>90%; Green/red flashing: output switched off; Flashing red: overload/error
Status relay (max. load)	Output voltage OK (30 V DC / 1 A)
Physical Weight (kg)	0.85
Dimensions L x W x H (cm)	12.5 x 3.5 x 13

Industrial Applications

1. Industrial Control Panel Power for PLC/HMI Systems

Provides reliable 24 V DC power to Programmable Logic Controllers (PLCs), Human-Machine Interfaces (HMIs), and other critical control components within industrial automation cabinets. Its high efficiency minimizes heat generation, crucial for enclosed panels, and the robust design ensures continuous operation.

Problem Solved

Ensures stable power delivery to sensitive control equipment, preventing unexpected shutdowns and maintaining process uptime, even with fluctuating AC input or transient loads, thanks to its wide input range and boost capability.

PLC powerHMI powerindustrial controlDIN rail mounting24VDCcontrol cabinetstable powerprocess automation

2. Distributed Sensor and Actuator Power in Machine Builders

Ideal for powering multiple 24V sensors, actuators, and small motor drives in modular machine designs. The compact footprint and PUSH IN connection technology facilitate rapid installation and maintenance in space-constrained machinery.

Problem Solved

Simplifies wiring and reduces installation time for complex machinery with numerous 24V components. The ability to handle peak loads (150% for 5s) supports applications with intermittent high current demands, preventing voltage dips.

24V sensorsactuatorsmachine automationPUSH IN wiringcompact designdistributed I/Opeak load capability

3. Power Redundancy in Critical Process Applications

When configured in parallel using its ORing MOSFET feature, this power supply unit provides redundancy for critical processes in industries like chemical, pharmaceutical, or energy. This setup ensures an uninterrupted 24V supply even if one unit fails.

Problem Solved

Mitigates the risk of downtime due to power supply failure in high-availability systems. The parallel connection option enhances overall system reliability and allows for increased total output current capacity when needed.

Redundant power supplyN+1 redundancyORing MOSFETprocess controlhigh availabilitycritical infrastructurefault tolerance