Weidmuller PRO INSTA 90W 24V 3.8A DIN Rail Power Supply

Technical Overview

90W, 24V DC DIN rail power supply with 87% efficiency and PUSH IN connections. Wide input, -25°C to +70°C operation.

Key Features

Single-phase switching power supply for providing DC voltage.
Compact design suitable for space-saving DIN rail mounting.
Wide input voltage range (85-264 V AC / 95-370 V DC) supports global applications.
Adjustable output voltage (22-25 V DC) via a front-mounted potentiometer.
PUSH IN connection system for fast, secure, and error-free wiring.
Robust operation in a broad temperature range from -25°C to +70°C.
International approvals including cCSAus, TÜV, and RoHS compliance.
High efficiency of 87% helps to minimize power loss.
Short-circuit-proof output for enhanced system safety.

Technical Specification Matrix

Parameter	Value
Output Power Max	90 W
Rated Output Voltage	24 V DC ± 1 %
Output Voltage (adjustable)	22 V DC to 25 V DC
Continuous Output Current @ 55 °C	3.8 A
Continuous Output Current @ 70 °C	2.38 A
AC Input Voltage Range	85 V AC to 264 V AC
DC Input Voltage Range	95 V DC to 370 V DC
Frequency Range AC	45 Hz to 65 Hz
Degree of efficiency	87 %
Operating Temperature	-25 °C to +70 °C
Storage Temperature	-40 °C to +85 °C
Protection Degree	IP20
Housing Version	Plastic, protective insulation
Connection System (Input/Output)	PUSH IN with actuator
Number of Outputs	1
Short-circuit-proof	Yes
MTBF	> 750,000 h nach IEC 61709 (SN29500)
Ramp-up time	≤ 100 ms
Residual ripple, breaking spikes	<50 mVss @ UNenn, Full Load
Physical Weight (kg)	0.36
Dimensions L x W x H (cm)	6 x 9 x 9

Industrial Applications

1. Powering PLC and HMI in Industrial Control Panels

This power supply is ideal for providing stable 24V DC power to Programmable Logic Controllers (PLCs) and Human-Machine Interfaces (HMIs) within industrial control cabinets. Its compact DIN rail mount design and wide operating temperature range ensure reliable operation in typical factory environments.

Problem Solved

Ensures reliable, stable 24V DC power for critical control components within enclosed industrial panels, accommodating varying input voltages common in industrial settings.

PLCHMIDIN rail24V DCindustrial automationcontrol cabinetwide input voltage

2. Energy-Efficient Power for Building Automation Devices

The PRO INSTA 90W power supply can efficiently power sensors, actuators, and communication modules in building automation systems. Its high efficiency (87%) minimizes energy waste, while the PUSH IN connection system facilitates quick and secure installation by electricians.

Problem Solved

Provides a compact, energy-efficient, and easy-to-install 24V DC power source for distributed building automation components, reducing installation time and operating costs.

Building management systemHVACsensorsactuators24V DCenergy efficiencyPUSH IN connection

3. Reliable 24V DC Power for Remote Telecommunication Nodes

With its robust operating temperature range of -25°C to +70°C and wide AC/DC input voltage flexibility, this power supply is suitable for providing dependable 24V DC power to telecommunication equipment, such as remote radio units or data transmission devices, located in shelters or outdoor enclosures with temperature control.

Problem Solved

Guarantees consistent 24V DC power for essential telecommunications infrastructure, even in environments with fluctuating ambient temperatures and unstable grid voltage.

Telecommunications24V DCremote equipmentwide temperature rangewide input voltagerobustsignal systems