UAC317AEV1 Industrial DC-DC Converter

Description

UAC317AEV1

The ABB UAC317AEV1 is a high-performance DC-DC converter designed to provide isolated power conversion in industrial control systems. Its primary function is to convert a wide range of unregulated DC input voltages (typically 18-72V DC) into a stable 24V DC output, capable of delivering up to 3.5A of current. Unlike basic converters, the UAC317AEV1 incorporates advanced isolation technology, providing 2.5kV galvanic isolation between input and output to eliminate ground loops and protect sensitive equipment from electrical noise and transients.

UAC317AEV1

Positioned as a critical power conditioning component in distributed automation systems, the ABB UAC317AEV1 integrates seamlessly into industrial control architectures. Its compact, DIN-rail mounted design saves valuable cabinet space, while its rugged construction ensures reliable operation in environments with temperature extremes, vibration, and electromagnetic interference—common in industrial settings. The converter features built-in protection mechanisms, including overload, short-circuit, and overvoltage protection, safeguarding connected equipment and ensuring system resilience during electrical faults.

UAC317AEV1

Main features and advantages:

Selecting the ABB UAC317AEV1 delivers significant advantages to industrial power distribution systems. Its wide input voltage range (18-72V DC) provides flexibility, allowing it to operate with various primary power sources, including battery systems and distributed DC buses—eliminating the need for multiple converters in mixed-voltage environments. The unit’s high efficiency of up to 91% minimizes energy waste and heat generation, contributing to lower operating costs and extending component lifespan in enclosed cabinets.

Engineered for reliability, the ABB UAC317AEV1 provides stable 24V DC power even during input voltage fluctuations, ensuring consistent performance of sensitive control equipment. Its 2.5kV galvanic isolation eliminates ground loop issues, a common source of signal interference in complex industrial wiring systems, improving overall system stability. The compact design optimizes cabinet space, while the comprehensive protection features prevent damage to connected devices during electrical anomalies, reducing repair costs and unplanned downtime.

Application areas:

The ABB UAC317AEV1 excels in industries requiring isolated power conversion in distributed control systems. In oil and gas production facilities, it provides stable power to remote sensors and actuators in wellhead control panels, where harsh environmental conditions and voltage fluctuations are common. Its wide operating temperature range (-40°C to +70°C) makes it suitable for these challenging environments.

In power generation plants, the UAC317AEV1 powers control modules in turbine and generator monitoring systems, where isolation from high-voltage equipment is critical for safety and performance. Its robust protection features safeguard sensitive electronics from electrical transients common in power generation environments. In factory automation, the converter supplies isolated power to communication modules and I/O devices in distributed control cabinets, ensuring reliable data transmission and equipment operation. In all these applications, the ABB UAC317AEV1 delivers the isolated power stability needed for reliable industrial automation.

Related products:

ABB UAC317AEV2 – Higher current (5A) version of UAC317AEV1 for powering larger loads.

ABB UAC317AEV0 – Lower current (2A) version for smaller control components and sensors.

ABB TB850 – Terminal block accessory for secure wiring connections with UAC317AEV1.

ABB UAA326A02 – AC-DC power supply compatible with UAC317AEV1 in hybrid power systems.

ABB PSR60-240AC/24DC/5 – Redundant power supply system that integrates with UAC317AEV1.

ABB AC500-eCo PLC – Controller that receives stable power from UAC317AEV1 in distributed systems.

ABB CI854 – Communication module protected by UAC317AEV1’s isolation in noisy environments.

ABB UAC317AEV3 – Enhanced version with extended isolation (4kV) for high-noise industrial environments.

Installation and maintenance:

Before installing the ABB UAC317AEV1, verify that the input voltage falls within the 18-72V DC range and ensure the total power consumption of connected devices does not exceed the 85W rating. Check that the DIN rail is securely mounted and level, with adequate ventilation space around the unit—maintaining 50mm clearance on all sides ensures proper heat dissipation. Confirm that the installation environment meets the operating temperature specifications, as extreme temperatures can affect performance and lifespan.

For ongoing maintenance, periodically inspect the converter’s status indicators to confirm normal operation—fault conditions will trigger visual alerts. Check wiring connections quarterly to ensure terminals remain tight and free from corrosion, especially in humid or corrosive environments. Measure output voltage annually with a calibrated meter to verify it remains within the ±2% tolerance range. Clean dust from the unit’s surface and ventilation areas semi-annually to maintain efficient heat dissipation, particularly in dusty industrial environments.

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