Why Choose the Finder 39.71.0.125.5060 Interface Relay Module?
The Finder 39.71.0.125.5060 is a compact electromechanical interface relay module designed for reliable signal isolation and switching in industrial automation and control systems. As part of the Finder Series 39 MasterINTERFACE relay modules, it provides a practical solution for connecting PLCs and electronic control systems with field devices while maintaining electrical separation.
This relay interface module combines a slim DIN rail mounting design with a reliable electromechanical relay for efficient control cabinet installation. Its push-in terminal connections, integrated LED indication and compact 6.2 mm width help simplify wiring and save valuable panel space.
With a 125 V AC/DC input supply, a SPDT contact configuration and switching capability up to 6 A at 250 V AC, the Finder 39.71.0.125.5060 is suitable for industrial automation systems requiring dependable input interfacing and signal switching.
Key Advantages
Compact DIN rail mounted interface relay module for industrial control panels.
125 V AC/DC input supply for integration with industrial control circuits.
SPDT relay contact configuration for versatile switching applications.
6 A switching capacity at 250 V AC for reliable load control.
Push-in terminals simplify installation and reduce wiring time.
Integrated LED indication provides clear relay status visibility.
Key Features
Finder Series 39 MasterINTERFACE relay module.
125 V AC/DC rated input voltage.
SPDT (1CO) contact configuration.
6 A contact rating at 250 V AC.
DIN rail mounting design.
Push-in terminal connection system.
Integrated LED indication and protection circuit.
Compact 6.2 mm wide interface module format.
Reliable Signal Switching for Industrial Automation
Interface relay modules such as the Finder 39.71.0.125.5060 provide electrical isolation between field devices and control systems. This helps protect sensitive automation equipment while enabling reliable signal monitoring and switching.
The Series 39 range is designed for modern industrial control applications where compact dimensions, straightforward installation and dependable relay operation are essential. The narrow DIN rail format allows efficient use of control cabinet space.
Typical Applications
PLC input interface systems.
Industrial automation control panels.
Machine building and OEM equipment.
Building automation systems.
Sensor and switch signal interfacing.
Electrical control cabinets and switchgear.
Technical Specifications
Tick the specs you need, then view products that match.
Mounting Type
DIN rail
Switching Current (A)
6 A
Load Voltage
400 V AC
Manufacturer
Finder
Series
39 MasterINTERFACE
Model
39.71.0.125.5060
Product type
Electromechanical interface relay module
Relay type
AC/DC input module
Contact configuration
SPDT
Input voltage
125 V AC/DC
Input voltage range
88–138 V AC/DC
Contact rating
6 A at 250 V AC
Maximum switching voltage
400 V AC
Mounting type
DIN rail mounting
Protection rating
IP20
Dimensions (H × W × D)
approx. 94.3 × 6.2 × 90.7 mm
Operate time
5 ms
Release time
6 ms
Contacts
1 C/O
IP Rating
IP20
Frequently Asked Questions
What is the Finder 39.71.0.125.5060 used for?
This interface relay module is used for signal isolation and interfacing between industrial control systems and connected field devices.
What input voltage does the relay module support?
The Finder 39.71.0.125.5060 supports a 125 V AC/DC input supply.
What type of contacts are included?
The module includes an SPDT relay contact configuration for flexible switching applications.
What is the maximum switching rating?
The relay module supports switching loads up to 6 A at 250 V AC.
How is the relay module installed?
The Finder 39.71.0.125.5060 is designed for DIN rail mounting inside industrial control cabinets.
Trusted by Industrial Automation Professionals
Finder Series 39 interface relay modules are widely used in industrial automation and control systems to provide dependable signal interfacing, electrical isolation and space-efficient cabinet integration.
Mounting Type
DIN rail
Switching Current (A)
6 A
Load Voltage
400 V AC
Manufacturer
Finder
Series
39 MasterINTERFACE
Model
39.71.0.125.5060
Product type
Electromechanical interface relay module
Relay type
AC/DC input module
Contact configuration
SPDT
Input voltage
125 V AC/DC
Input voltage range
88–138 V AC/DC
Contact rating
6 A at 250 V AC
Maximum switching voltage
400 V AC
Mounting type
DIN rail mounting
Protection rating
IP20
Dimensions (H × W × D)
approx. 94.3 × 6.2 × 90.7 mm
Operate time
5 ms
Release time
6 ms
Contacts
1 C/O
IP Rating
IP20
No documents available for this product.
UK delivery
Delivery options
Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.
This productManufacturer Lead Time
Standard Manufacturer Lead Time 6-8 Weeks, Call For Express Delivery Options
Standard delivery
£8 ex VAT · free over £200
UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
Collect from our showroom
Mon–Fri, 8am–5pm
Order and pay online, then collect from our showroom.
Please allow 15–30 minutes after ordering for us to prepare your order.
Northern Ireland, ROI & export
Priced at checkout
We deliver to Northern Ireland, the Republic of Ireland and overseas.
Delivery is calculated at checkout based on your destination.
Orders with mixed availability
Shipped complete
If part of your order is on a lead time, we hold it and send everything together.
Need the in-stock items sooner? Ask us and we can split the delivery.
Business customer returns
Returns & order support
Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.
Stocked items
Request within 30 days
Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.
Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.
Faulty or damaged items
Tell us as soon as possible
Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.
We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.
Made-to-order items
Manufacturer approval needed
Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.
This does not affect claims for faulty goods or items that do not meet the agreed specification.
Let’s get your return sorted.
Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.
The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.
● 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.
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...
