Description

Detailed Parameters Table

Parameter Name	Parameter Value
Product model	APBU-44C 64669982
Manufacturer	ABB
Product category	Power Supply Unit (PSU)
Input voltage	110/230 V AC (selectable)
Output voltage	24 V DC (regulated)
Output current	4 A maximum
Power output	96W maximum
Operating temperature	–20 °C to +60 °C
Mounting	DIN rail mount
Protection rating	IP20 (indoor use)
Efficiency	90% typical efficiency
Weight	Approx. 1.5 kg

Product Introduction

The APBU-44C 64669982 is a high-quality power supply unit from ABB, designed to provide reliable 24V DC power for industrial automation and control systems. This compact unit supports both 110/230V AC input voltage and outputs a stable 24V DC, delivering up to 4A for a total power output of 96W. The APBU-44C is engineered for use in industrial environments, offering robust protection against electrical surges, short circuits, and overloading.

Built to meet rigorous performance standards, the APBU-44C 64669982 operates efficiently in environments with temperatures ranging from –20°C to +60°C. The unit features a high efficiency of 90% to minimize energy losses, ensuring a reliable and cost-effective power supply for systems requiring constant, stable power. Its DIN rail mounting makes installation quick and simple, ideal for control panels and automation racks.

ABB APBU-44C 64669982

Core Advantages and Technical Highlights

High efficiency and energy saving:
The APBU-44C 64669982 boasts an impressive efficiency of 90%, ensuring that minimal energy is lost during the power conversion process. This makes it an ideal choice for long-term use in industrial settings, reducing operational costs associated with power consumption and heat generation.

Compact and durable design:
The unit’s compact DIN rail mount design allows for easy integration into control systems and industrial panels, while its robust construction ensures it can withstand the rigors of demanding environments. With an IP20 protection rating, it is designed for use in dry, indoor locations.

Reliable and safe operation:
Equipped with multiple protection features, including overvoltage, overcurrent, and short circuit protection, the APBU-44C guarantees the safety and longevity of both the power supply and the connected equipment. These safeguards prevent damage during unexpected power fluctuations or overload conditions.

Versatile input voltage:
The APBU-44C 64669982 supports both 110V and 230V AC input, making it versatile for use in various global settings with different electrical supply systems.

Typical Application Scenarios

The APBU-44C 64669982 is primarily used in industrial automation systems where a stable 24V DC supply is crucial for powering controllers, sensors, and actuators. Typical applications include:

Factory automation systems: Providing power to PLCs, HMIs, and various input/output modules.

Control panels: Powering control systems in manufacturing, packaging, and assembly lines.

Telecommunication systems: Supporting low-power devices and control circuits in communication infrastructure.

HVAC control systems: Supplying power to HVAC control panels and sensors in commercial or industrial buildings.

Related Model Recommendations

APBU-22C 64669981 – A 24V DC power supply unit with a slightly lower output (2.5A) and 60W maximum power.

APBU-60C 64669983 – A higher output power supply unit, providing 24V DC with up to 6A output (144W), suitable for larger systems.

APBU-90C 64669984 – Similar to the APBU-44C but with additional redundancy features for mission-critical applications.

PSS 24V DC power supply series – Another line from ABB offering high-efficiency power conversion for industrial control.

APBU-10C 64669985 – A lower-output variant designed for smaller automation projects requiring less power.

ABB APBU-44C 64669982

Installation, Commissioning and Maintenance Instructions

Installation Preparation:
Ensure that the mounting area is clean and dry, with sufficient space for ventilation. Install the APBU-44C 64669982 on a standard DIN rail, ensuring that the input power is disconnected before wiring.

Commissioning & Maintenance:
After mounting, connect the AC input terminals to the correct power source, ensuring the voltage selection is correct (110V or 230V AC). Use a voltmeter to verify that the output is within the specified 24V DC range. Regularly check for overheating or unusual noise, and ensure that the power supply remains in good condition.

For maintenance, always replace the unit with the same model to maintain compatibility with the system. Periodically inspect the power supply for dust buildup or any signs of wear and tear, especially around connection points.