Carlo Gavazzi DIA53S72450A AC overcurrent monitoring relay with 5-50 A AC input range and solid state output for industrial current monitoring applications.
£72.18
The Carlo Gavazzi DIA53S72450A is a compact and reliable AC overcurrent monitoring relay designed for accurate current supervision and protection in industrial automation, electrical panels and control systems. As part of the advanced Carlo Gavazzi DIA53 monitoring relay series, it provides dependable current monitoring for applications requiring precise overcurrent detection and reliable switching performance.
This current monitoring relay features an integrated current transformer, self-powered operation and a compact 17.5 mm DIN rail housing, simplifying installation while saving valuable space inside industrial control panels. The two-wire design and built-in transformer provide a practical solution for current monitoring applications.
With a monitoring range of 5–50 A AC, solid state NPN-PNP open collector output and overcurrent monitoring function, the Carlo Gavazzi DIA53S72450A is suitable for machinery protection, load monitoring and industrial automation applications.
Current monitoring relays such as the Carlo Gavazzi DIA53S72450A provide reliable supervision of electrical loads by detecting abnormal current conditions and generating a control output when limits are exceeded. This supports improved machine protection, fault detection and process monitoring in industrial environments.
The DIA53 series is designed for automation engineers and electrical panel builders requiring compact and dependable current monitoring solutions for industrial applications.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | DIA53 |
| Model | DIA53S72450A |
| Product type | AC current monitoring relay |
| Monitoring function | Overcurrent monitoring |
| Input current range | 5–50 A AC |
| Current category | Above 5 A |
| Supply voltage | Self-powered |
| Connection | 2-wire connection |
| Output type | Solid state open collector |
| Output configuration | NPN / PNP |
| Output rating | 40 V DC / 100 mA |
| Mounting type | Mini DIN rail mounting |
| Protection rating | IP20 |
| Frequency range | 45–400 Hz |
| Operating temperature | -20 to +60 °C |
| Dimensions | approx. 17.5 × 81 × 67.2 mm |
The Carlo Gavazzi DIA53S72450A is used for monitoring AC current and detecting overcurrent conditions in industrial automation and electrical systems.
The relay monitors an AC current range of 5–50 A.
The DIA53S72450A features self-powered operation with a two-wire connection.
The relay is installed using a compact DIN rail mounting format inside electrical control panels.
The relay provides a solid state NPN-PNP open collector output for integration with control systems.
Carlo Gavazzi monitoring relays are widely used by automation engineers and system integrators to provide reliable current supervision, equipment protection and dependable industrial control performance.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...