Why Choose the Finder 55.34.9.110.5040 Industrial Relay?
The Finder 55.34.9.110.5040 is a reliable plug-in industrial electromechanical relay designed for automation systems, control panels and professional electrical switching applications. Part of the Finder 55 Series, this general purpose relay provides dependable switching performance with multiple contacts and a robust design suitable for industrial control environments.
This relay features a 110 V DC coil, 4 changeover contacts (4 CO / 4PDT) and a 7 A contact rating, providing flexible control of multiple electrical circuits in industrial automation and control applications.
With plug-in mounting, AgNi + Au contact material, a lockable test button and mechanical indicator, the Finder 55.34.9.110.5040 provides reliable operation, easy maintenance and straightforward integration into electrical control systems.
Key Advantages
Reliable plug-in industrial relay for automation applications.
110 V DC coil voltage for industrial control systems.
4PDT changeover contact configuration for flexible circuit control.
7 A contact rating suitable for industrial switching applications.
Lockable test button and mechanical indicator for easier maintenance.
Suitable for industrial automation, process control and electrical panels.
Key Features
Finder 55 Series industrial relay.
4 CO (4PDT) changeover contacts.
110 V DC coil supply.
7 A switching current.
250 V AC maximum switching voltage.
AgNi + Au contact material.
Plug-in socket mounting design.
Lockable test button included.
Mechanical indicator included.
Suitable for industrial control and automation systems.
Reliable Switching Control for Industrial Systems
Industrial relays such as the Finder 55.34.9.110.5040 provide dependable electrical switching between control circuits and connected loads. The four changeover contacts allow several circuits to be controlled from a single relay, improving flexibility in automation and electrical control applications.
The Finder 55 Series is designed for engineers, panel builders and industrial equipment manufacturers requiring reliable plug-in relay technology with easy replacement, maintenance and integration into modern control systems.
Typical Applications
Industrial automation control panels.
Machine control systems.
Process control equipment.
Electrical distribution systems.
Building automation applications.
Industrial switching and control systems.
Technical Specifications
HS Code
85364900
Manufacturer
Finder
Series
55 Series
Model
55.34.9.110.5040
Product type
Industrial electromechanical relay
Relay function
Plug-in general purpose relay
Coil voltage
110 V DC
Contact configuration
4PDT (4 CO)
Contact rating
7 A
Maximum switching voltage
250 V AC
Contact material
AgNi + Au
Mounting type
Plug-in socket mounting
Protection rating
RT I
Operating temperature
-40°C to +85°C
Dimensions (W × H × D)
approx. 20.7 × 37.2 × 27.7 mm
Frequently Asked Questions
What is the Finder 55.34.9.110.5040 used for?
The Finder 55.34.9.110.5040 is a plug-in industrial relay used for switching electrical circuits in automation and control systems.
What coil voltage does this relay require?
The relay operates with a 110 V DC coil.
What contact configuration does this relay have?
The relay features 4PDT (4 CO) changeover contacts rated up to 7 A.
How is this relay mounted?
The Finder 55.34.9.110.5040 is designed for plug-in socket mounting in industrial control assemblies.
Where is this relay typically installed?
The relay is typically installed in industrial control panels, automation equipment and electrical systems requiring reliable switching.
Trusted by Automation Professionals
Finder 55 Series relays are widely used by engineers and equipment manufacturers to provide reliable switching, isolation and control in modern industrial systems.
HS Code
85364900
Manufacturer
Finder
Series
55 Series
Model
55.34.9.110.5040
Product type
Industrial electromechanical relay
Relay function
Plug-in general purpose relay
Coil voltage
110 V DC
Contact configuration
4PDT (4 CO)
Contact rating
7 A
Maximum switching voltage
250 V AC
Contact material
AgNi + Au
Mounting type
Plug-in socket mounting
Protection rating
RT I
Operating temperature
-40°C to +85°C
Dimensions (W × H × D)
approx. 20.7 × 37.2 × 27.7 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
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
● frequently asked questions
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.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
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.
Do you have stock for urgent orders?
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.
What are your delivery times and costs?
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.
What about warranties, returns and faulty items?
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.
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...