Lovato 11RFN905 thermal motor protection relay with a 0.3–0.5 A adjustable overload range designed for three-phase motor protection and industrial control applications.
SKU:11RFN905Alt SKU:RFN905MPN:11RFN905
Price
List Price£69.33ex VAT
Your Price (ex VAT)
£69.33
Manufacturer Lead TimePlease contact us for a delivery time before you order
Get the best trade pricesTrade exclusive
Create a trade account to unlock exclusive pricing, special offers and more.
Why Choose the Lovato 11RFN905 Thermal Overload Relay?
The Lovato 11RFN905 is a compact and reliable thermal motor protection relay designed to provide overload protection for three-phase motors in industrial control and automation applications. As part of the Lovato RF9 series motor protection relays, it is engineered for dependable protection and direct integration with compatible Lovato BG series mini-contactors.
This relay provides accurate thermal overload protection while helping safeguard motors against excessive current conditions. Its compact design, manual reset function and straightforward installation make it suitable for a wide range of industrial motor control applications.
With an adjustable overload current range of 0.3–0.5 A and a three-pole three-phase configuration, the 11RFN905 is suitable for protecting small industrial motors. The relay is designed for direct mounting on Lovato BG06, BG09 and BG12 mini-contactors for convenient starter assembly.
Key Advantages
Compact thermal overload relay for motor protection applications.
0.3–0.5 A adjustable overload current range for small motor protection.
Three-pole three-phase design for industrial motor circuits.
Manual reset operation for controlled fault recovery.
Direct mounting compatibility with Lovato BG06, BG09 and BG12 mini-contactors.
Reliable protection against motor overload conditions.
Key Features
Lovato RF9 series motor protection relay.
0.3–0.5 A adjustable thermal overload range.
Three-pole three-phase construction.
Manual resetting function.
Trip indicator and test button.
IP20 front protection rating.
Direct mounting on compatible Lovato BG series mini-contactors.
Suitable for industrial motor control and protection systems.
Reliable Motor Protection for Industrial Applications
Thermal overload relays such as the Lovato 11RFN905 protect motors by monitoring current levels and disconnecting the control circuit when overload conditions occur. This helps prevent motor damage and improves the reliability of industrial electrical systems.
The RF9 series is designed for use with Lovato contactors and motor starters, providing a practical solution for machine builders, panel manufacturers and industrial automation engineers requiring dependable motor protection.
Typical Applications
Industrial motor starters.
Machine control panels.
Production and processing equipment.
Pumps and small motor-driven systems.
Automation and OEM machinery.
Industrial electrical control systems.
Technical Specifications
Tick the specs you need, then view products that match.
Reset Type
Manual
Monitoring Function
Temperature / thermistor
Monitored Supply
Single-phase
Signal / Input Range
0.3–0.5 A
Manufacturer
Lovato Electric
Series
RF9
Model
11RFN905
Product type
Thermal motor protection relay
Poles
3
Adjustment range
0.3–0.5 A
Reset mode
Manual
Phase failure detection
No
Protection rating
IP20
Rated insulation voltage
690 V
Rated impulse withstand voltage
8 kV
Tripping class
10A
Mounting type
Direct mounting on BG06, BG09 and BG12 mini-contactors
Weight
approx. 116 g
IP Rating
IP20
Frequently Asked Questions
What is the Lovato 11RFN905 used for?
The Lovato 11RFN905 is a thermal overload relay used to protect three-phase motors from overload conditions in industrial control applications.
What current range does the relay support?
The relay supports an adjustable overload current range of 0.3–0.5 A.
How is the Lovato 11RFN905 reset?
The 11RFN905 uses a manual reset function to allow controlled recovery after an overload trip.
Which contactors can the relay be mounted with?
The relay is designed for direct mounting on compatible Lovato BG06, BG09 and BG12 mini-contactors.
What type of protection does this relay provide?
The relay provides thermal overload protection for three-phase motors in industrial motor control systems.
Trusted by Industrial Automation Professionals
Lovato RF9 series motor protection relays are used by electrical engineers and machine builders to provide reliable overload protection and efficient motor control solutions in industrial applications.
Reset Type
Manual
Monitoring Function
Temperature / thermistor
Monitored Supply
Single-phase
Signal / Input Range
0.3–0.5 A
Manufacturer
Lovato Electric
Series
RF9
Model
11RFN905
Product type
Thermal motor protection relay
Poles
3
Adjustment range
0.3–0.5 A
Reset mode
Manual
Phase failure detection
No
Protection rating
IP20
Rated insulation voltage
690 V
Rated impulse withstand voltage
8 kV
Tripping class
10A
Mounting type
Direct mounting on BG06, BG09 and BG12 mini-contactors
Weight
approx. 116 g
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 productLead time on request
Please contact us for a delivery time before you order
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...
