Why Choose the Carlo Gavazzi DUA52C724 DC Undervoltage Monitoring Relay?
The Carlo Gavazzi DUA52C724 is a compact and reliable DC undervoltage monitoring relay designed to protect electrical systems by continuously monitoring its own DC supply voltage and detecting undervoltage conditions. As part of the proven Carlo Gavazzi DUA52 monitoring relay series, it provides dependable voltage supervision for industrial automation, battery systems and electrical control applications.
This monitoring relay helps improve system reliability by identifying when a DC supply falls below the configured threshold. Its compact DIN-rail housing, LED status indication and adjustable hysteresis make it suitable for applications where reliable monitoring of control voltages and backup power systems is required.
With an 8–28 V DC monitoring range, a self-powered design and a SPDT relay output, the DUA52C724 is ideal for monitoring 12 V and 24 V DC systems such as batteries, control supplies and industrial automation equipment.
Key Advantages
Compact DC undervoltage monitoring relay for industrial applications.
8–28 V DC monitoring range suitable for common low-voltage control systems.
Self-powered monitoring design measures its own supply voltage.
SPDT relay output provides flexible alarm and control integration.
Compact 17.5 mm DIN-rail housing saves space inside electrical panels.
Key Features
Carlo Gavazzi DUA52 monitoring relay series.
Single-phase DC undervoltage monitoring.
8–28 V DC voltage monitoring range.
Monitors its own power supply voltage.
1 × SPDT relay output.
Adjustable hysteresis from 4–50%.
LED indication for relay and supply status.
Mini DIN-rail mounting design.
Reliable DC Voltage Protection for Industrial Systems
Voltage monitoring relays such as the Carlo Gavazzi DUA52C724 provide continuous supervision of DC supplies to help protect automation equipment, battery systems and electrical control circuits. By detecting undervoltage conditions, they can trigger alarms or control actions before system performance is affected.
The DUA52 series is designed for industrial engineers and panel builders requiring compact and dependable DC voltage monitoring solutions. Its self-powered operation, adjustable hysteresis and relay output allow straightforward integration into electrical control systems.
Typical Applications
Battery backup monitoring systems.
Diesel generator battery protection.
Industrial automation control panels.
DC power supply monitoring.
Machine control systems.
Electrical protection circuits.
Technical Specifications
Manufacturer
Carlo Gavazzi
Series
DUA52
Model
DUA52C724
Product type
DC undervoltage monitoring relay
Monitoring function
Undervoltage
Voltage monitoring range
8–28 V DC
Nominal voltage range
12–24 V DC
Supply voltage
Self-powered
Output
1 × SPDT relay
Contact rating
5 A at 250 V AC
Time delay
No adjustable delay
Hysteresis
Adjustable 4–50%
Mounting type
Mini DIN-rail mounting
Housing width
17.5 mm
Protection rating
IP20
Dimensions (W × H × D)
approx. 17.5 × 81 × 67.2 mm
Frequently Asked Questions
What is the Carlo Gavazzi DUA52C724 used for?
The DUA52C724 is used to monitor DC supply voltage and provide relay switching when an undervoltage condition is detected.
What voltage range does the DUA52C724 monitor?
The relay monitors DC voltage within the 8–28 V DC range.
What type of output does the DUA52C724 provide?
The relay provides a SPDT relay output for connection to alarms, contactors or control systems.
How is the Carlo Gavazzi DUA52C724 installed?
The relay is designed for installation inside electrical control panels using a compact 17.5 mm DIN-rail mounting housing.
Where is the DUA52C724 typically used?
The relay is commonly used for monitoring backup batteries, generator battery systems and industrial DC control supplies.
Trusted by Industrial Automation Engineers
Carlo Gavazzi DUA52 monitoring relays are widely used in industrial control applications to provide reliable DC voltage supervision, fault detection and protection for electrical systems.
Manufacturer
Carlo Gavazzi
Series
DUA52
Model
DUA52C724
Product type
DC undervoltage monitoring relay
Monitoring function
Undervoltage
Voltage monitoring range
8–28 V DC
Nominal voltage range
12–24 V DC
Supply voltage
Self-powered
Output
1 × SPDT relay
Contact rating
5 A at 250 V AC
Time delay
No adjustable delay
Hysteresis
Adjustable 4–50%
Mounting type
Mini DIN-rail mounting
Housing width
17.5 mm
Protection rating
IP20
Dimensions (W × H × D)
approx. 17.5 × 81 × 67.2 mm
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...