Why Choose the Finder 77.31.9.024.8051 Interface Relay Module?
The Finder 77.31.9.024.8051 is a compact and reliable interface relay module designed for electrical isolation, signal switching and automation control applications. As part of the advanced Finder Series 77 interface relay range, it provides dependable switching performance for PLC interfaces, industrial control systems and electrical panels.
This relay module combines a slim modular design with integrated switching functionality, helping simplify control cabinet construction while providing safe separation between electronic control outputs and connected electrical loads. Its compact format makes it suitable for high-density installations where panel space is limited.
With a 24 V DC coil supply and a relay output configuration suitable for interface applications, the Finder 77.31.9.024.8051 is designed for reliable signal management in industrial automation and control systems.
Key Advantages
Compact interface relay module for industrial automation.
24 V DC coil voltage suitable for common control applications.
Provides electrical isolation between control circuits and loads.
Slim housing design optimises control panel space.
Fast installation for efficient panel building.
Reliable Finder relay technology for long-term operation.
Key Features
Finder Series 77 interface relay module.
24 V DC coil supply.
Single relay output contact configuration.
LED indication for relay status monitoring.
Compact modular design for electrical cabinets.
Suitable for PLC and automation interfaces.
Designed for industrial control and switching applications.
Space-saving format for modern control panels.
Reliable Signal Switching for Automation Systems
Interface relays such as the Finder 77.31.9.024.8051 allow control systems to safely manage external circuits while maintaining electrical separation between sensitive electronic equipment and field devices. They are widely used to improve reliability and simplify the design of automation installations.
The Finder Series 77 range provides compact relay solutions for engineers, machine builders and panel manufacturers requiring efficient signal switching and dependable control integration.
Typical Applications
PLC output interface applications.
Industrial automation control panels.
Machine control systems.
Electrical cabinet assemblies.
Building automation equipment.
OEM machinery and control solutions.
Technical Specifications
Voltage
440 V
Manufacturer
Finder
Series
77 Series Interface Relays
Model
77.31.9.024.8051
Product type
Interface relay module
Coil voltage
24 V DC
Contact configuration
1 changeover contact (SPDT)
Mounting type
Plug-in / modular mounting
Application
Industrial automation, PLC interfacing and electrical switching
HS Code
85364900
Frequently Asked Questions
What is the Finder 77.31.9.024.8051 used for?
The Finder 77.31.9.024.8051 is used for signal switching and electrical isolation in industrial automation and control applications.
What coil voltage does this relay module require?
The relay module operates with a 24 V DC coil supply.
Where is the Finder 77.31.9.024.8051 installed?
The relay module is typically installed inside electrical control panels and automation cabinets.
What are interface relays used for?
Interface relays provide electrical separation and allow control systems such as PLCs to switch external electrical circuits safely.
Which applications use Finder Series 77 relays?
They are commonly used in industrial automation, machinery control, electrical panels and building control systems.
Trusted by Automation Professionals Worldwide
Finder Series 77 interface relays are trusted by electrical engineers and automation specialists for compact design, reliable switching and efficient integration into modern control systems.
Voltage
440 V
Manufacturer
Finder
Series
77 Series Interface Relays
Model
77.31.9.024.8051
Product type
Interface relay module
Coil voltage
24 V DC
Contact configuration
1 changeover contact (SPDT)
Mounting type
Plug-in / modular mounting
Application
Industrial automation, PLC interfacing and electrical switching
HS Code
85364900
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
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
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Common questions about our products and support
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.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...