Allen-Bradley 393890-R Power Supply – 24V DC, 120W, Industrial Power

The Allen-Bradley 393890-R Power Supply is a high-quality, industrial-grade power supply designed to deliver reliable and consistent power to your automation systems. Built for demanding environments, this power supply ensures your equipment operates seamlessly by converting electrical energy into the required voltage, optimizing system performance and enhancing operational efficiency. Whether you're working in manufacturing, process control, or other industrial applications, the 393890-R ensures that your devices receive stable and precise power for optimal functionality.

This power supply is designed to be highly efficient, offering excellent load regulation and surge protection. It is perfect for applications where continuous, high-performance power is critical to keeping machinery running without downtime. The 393890-R combines robustness and ease of use, making it a trusted choice for a wide range of industries.

Functional Highlights & Key Benefits

• Reliable Power Delivery: The 393890-R provides stable and consistent power, ensuring the smooth operation of connected equipment and preventing unexpected downtimes.

• High Efficiency: This power supply offers excellent energy conversion efficiency, reducing operational costs and enhancing overall system performance.

• Compact and Durable Design: With a rugged and compact form factor, this power supply is built to withstand harsh industrial conditions such as temperature variations, dust, and humidity.

• Wide Input Range: Supports a broad voltage range, making it versatile enough to be used in different geographical regions and applications.

• Easy Integration: The 393890-R is designed for straightforward installation and can be easily integrated into existing automation systems, reducing setup time.

• Surge Protection: Features advanced surge protection to safeguard your sensitive industrial equipment from power spikes and fluctuations.

Technical Data / Specifications

• Model: Allen-Bradley 393890-R

• Type: Industrial Power Supply

• Input Voltage Range: 85–264V AC

• Output Voltage: 24V DC

• Output Current: 5A

• Power Output: 120W

• Efficiency: ≥ 90% (typical)

• Operating Temperature: -10°C to 60°C (14°F to 140°F)

• Storage Temperature: -40°C to 85°C (-40°F to 185°F)

• Humidity: 5% to 95% RH (non-condensing)

• Protection: Overcurrent, Overvoltage, Short-circuit Protection

• Certifications: CE, UL, RoHS Compliant

• Mounting: DIN Rail Mount

• Dimensions: 4.5" x 2.6" x 4.4" (114 mm x 66 mm x 112 mm)

• Weight: 1.2 kg (2.65 lbs)

Typical Applications / System Integration / Use Cases

The Allen-Bradley 393890-R Power Supply is designed for use in a variety of industrial settings where continuous and reliable power is essential. Some typical applications include:

• Manufacturing Automation: Ensures power stability for programmable logic controllers (PLCs), sensors, and actuators in automated production lines.

• Process Control Systems: Provides dependable power for process controllers, safety systems, and instrumentation in chemical, pharmaceutical, and food processing industries.

• Industrial IoT: Powers IoT devices and edge computing systems, enabling real-time data collection and analysis in smart factories and connected environments.

• Machine Control: Supplies consistent power to CNC machines, robotics, and industrial machinery for precise control and enhanced performance.

• Energy & Utilities: Used in power generation, distribution, and substations to maintain system reliability and safety.

Support & Maintenance / Reliability & Service

The Allen-Bradley 393890-R Power Supply is backed by Rockwell Automation's commitment to quality, providing robust performance and long-term reliability. With a focus on durability and ease of maintenance, this power supply offers:

• Long-Term Durability: Built to last in harsh industrial environments with an operating temperature range of -10°C to 60°C, ensuring minimal downtime and maximum uptime.

• Easy Installation: Designed for quick and hassle-free integration into existing systems with DIN rail mounting, reducing installation time and costs.

• Technical Support: Access to Rockwell Automation's customer service and technical support for troubleshooting and inquiries ensures continued performance and operational reliability.

• Ongoing Maintenance: Regular service options, firmware updates, and spare parts availability ensure the long-term functionality of your power supply system.

FAQ

1. What is the input voltage range of the Allen-Bradley 393890-R Power Supply?

• The 393890-R supports an input voltage range of 85–264V AC, making it compatible with power sources in various regions.

2. How efficient is the Allen-Bradley 393890-R Power Supply?

• The 393890-R delivers an efficiency of ≥ 90% (typical), which helps reduce energy consumption and operating costs.

3. What protections does the 393890-R offer for industrial equipment?

• This power supply includes overcurrent, overvoltage, and short-circuit protection to safeguard sensitive equipment from electrical anomalies.

4. Can this power supply be used in outdoor applications?

• While the 393890-R can function in rugged industrial settings, it should be housed in a protective enclosure if used outdoors to prevent exposure to extreme environmental conditions.

5. How easy is it to install the 393890-R Power Supply?

• The 393890-R is designed for DIN rail mounting, which simplifies installation and integration into existing systems, reducing setup time.