Why Choose the Finder 65.31.8.120.4300 Interface Relay?
The Finder 65.31.8.120.4300 is a compact and reliable industrial interface relay designed for electrical switching, isolation and control applications in automation systems, control panels and industrial equipment. As part of the trusted Finder Series 65 relay range, it provides dependable performance where space-saving installation and long operational life are required.
This relay is engineered for use in professional electrical installations, providing electrical separation between control circuits and switched loads. The Finder 65 series combines robust construction with efficient electromagnetic operation, making it suitable for PLC interfaces, machine controls and general industrial switching applications.
With a 120 V AC coil supply and a single changeover contact, the Finder 65.31.8.120.4300 is ideal for compact control systems requiring reliable switching in industrial and building automation environments. Its plug-in relay design enables straightforward installation and maintenance.
Key Advantages
Compact interface relay for industrial control applications.
120 V AC coil voltage for integration into suitable control systems.
Single changeover contact (SPDT) for flexible switching.
Provides electrical isolation between control and load circuits.
Suitable for automation panels, machinery and electrical installations.
Reliable Finder construction for long service life.
Key Features
Finder Series 65 interface relay.
1 changeover contact (CO).
120 V AC coil supply.
Electromechanical relay technology for dependable switching.
Plug-in relay format for modular installation.
Suitable for industrial control cabinets and automation systems.
High mechanical and electrical endurance.
Compatible with Finder relay sockets.
Reliable Switching for Industrial Automation
Interface relays such as the Finder 65.31.8.120.4300 allow control systems to safely operate external loads while maintaining electrical separation between sensitive electronics and power circuits. This makes them an essential component in automation and industrial control applications.
The Finder 65 series is designed for engineers, panel builders and installers who require dependable switching components with compact dimensions and straightforward integration into electrical systems.
Typical Applications
Industrial control panels and electrical cabinets.
PLC interface and automation systems.
Machine control equipment.
Building automation installations.
Electrical load switching applications.
General industrial control circuits.
Technical Specifications
Current
30 A
Voltage
120 V
Manufacturer
Finder
Series
65 Series Relays
Model
65.31.8.120.4300
Product type
Electromechanical interface relay
Coil voltage
120 V AC
Contact configuration
1 changeover contact
Contact type
SPDT / 1CO
Mounting type
Socket mounting
Application
Industrial switching and control systems
HS Code
85364900
Frequently Asked Questions
What is the Finder 65.31.8.120.4300 used for?
The relay is used for electrical switching, isolation and control applications in industrial automation and electrical systems.
What coil voltage does the Finder 65.31.8.120.4300 require?
The relay uses a 120 V AC coil supply.
How many contacts does this relay have?
The Finder 65.31.8.120.4300 features one changeover contact for flexible switching configurations.
Where is this relay typically installed?
The relay is typically installed in electrical control panels and automation systems using a compatible Finder socket.
What type of relay is the Finder 65.31.8.120.4300?
It is an electromechanical interface relay from the Finder Series 65 range designed for reliable industrial switching.
Trusted by Electrical Engineers Worldwide
Finder interface relays are widely used in industrial automation and electrical control applications to provide reliable switching, isolation and efficient system integration.
Current
30 A
Voltage
120 V
Manufacturer
Finder
Series
65 Series Relays
Model
65.31.8.120.4300
Product type
Electromechanical interface relay
Coil voltage
120 V AC
Contact configuration
1 changeover contact
Contact type
SPDT / 1CO
Mounting type
Socket mounting
Application
Industrial switching and control systems
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
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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...