RF829500 - OVERLOAD RELAY 70-95A BF40-BF80

RF829500 – OVERLOAD RELAY 70-95A BF40-BF80

Lovato RF829500 is a three-pole Class 10A thermal overload motor protection relay with a 70-95 A operational current range, phase-failure sensitivity and direct mounting on BF40-BF94 contactors.

SKU: RF829500MPN: RF829500
Price
List Price ex VAT
Your Price
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Trade pricing is personalised to your account

Manufacturer Lead Time

£218.06

Why Choose the Lovato RF829500 Motor Protection Relay?

The Lovato RF829500 is a robust three-pole thermal overload motor protection relay designed to protect three-phase motors against overload and phase failure conditions. Part of the Lovato RF82 motor protection relay series, it provides an adjustable operational current range of 70–95 A and is designed for direct mounting on Lovato BF40–BF94 contactors.

The RF829500 is phase-failure and single-phase sensitive and uses manual resetting for controlled restoration after a trip. Its Class 10A tripping characteristic, integrated test button and trip indicator support dependable motor protection, commissioning and fault identification in industrial installations.

With a rated operational voltage and insulation voltage of 690 V, an 8 kV rated impulse withstand voltage and an operational frequency range of 0–400 Hz, the RF829500 provides a versatile protection solution for industrial motor starters and control panels.

Key Advantages

  • 70–95 A adjustable operational current range for motor overload protection.
  • Three-pole thermal overload relay for three-phase motor applications.
  • Phase-failure and single-phase sensitive design for enhanced motor protection.
  • Manual reset provides controlled restoration following a trip.
  • Class 10A tripping characteristic for motor overload protection.
  • Direct mounting on Lovato BF40–BF94 contactors for compact motor starter assemblies.

Key Features

  • Lovato RF82 thermal overload relay series.
  • 70–95 A operational current range.
  • 690 V rated operational voltage.
  • 690 V rated insulation voltage Ui.
  • 8 kV rated impulse withstand voltage Uimp.
  • 0–400 Hz operational frequency.
  • Class 10A thermal overload protection.
  • IP20 frontal protection rating.
  • Integrated test button and trip indicator.
  • Yoke clamp terminals with M5 screws.

Reliable Thermal Overload Protection for Industrial Motors

Thermal overload relays help protect electric motors by responding when sustained current exceeds the selected operating range. The Lovato RF829500 combines an adjustable 70–95 A current setting with phase-failure sensitivity and a Class 10A tripping characteristic for dependable three-phase motor protection.

Designed for direct mounting on Lovato BF40–BF94 contactors, the RF829500 supports compact motor starter construction. Its manual reset, test button and trip indicator provide straightforward operation, testing and fault identification in industrial motor control systems.

Typical Applications

  • Three-phase industrial motor protection.
  • Motor starters using Lovato BF40–BF94 contactors.
  • Industrial machinery and production equipment.
  • Pumps, fans and material handling systems.
  • Electrical control panels and motor control centres.
  • Industrial automation and process equipment.

Technical Specifications

HS Code 85364900
Manufacturer Lovato Electric
Series RF82
Model RF829500
Product type Thermal overload motor protection relay
Number of poles 3
Release type Thermal
Operational current 70–95 A
Rated operational voltage 690 V
Rated insulation voltage Ui 690 V
Rated impulse withstand voltage Uimp 8 kV
Operational frequency 0–400 Hz
Tripping class 10A
Phase failure detection Yes
Reset mode Manual
Test button Yes
Trip indicator Yes
Frontal protection rating IP20
Overvoltage category III
Pollution degree 3
Mounting type Direct mounting on BF40–BF94 contactors
Terminal type Yoke clamp
Terminal screw M5
Terminal width 9 mm
Operating temperature -20–55 °C
Storage temperature -55–80 °C
Maximum altitude 3000 m
Operating position Vertical plane, ±30° allowable
Weight 380 g
Quantity per package 1
Package dimensions 97 × 65 × 90 mm
Package volume 567.45 cm³
EAN 8013975243800

Frequently Asked Questions

What is the Lovato RF829500 used for?

The RF829500 is a three-pole thermal overload motor protection relay designed to protect three-phase motors against overload and phase failure conditions.

What is the current range of the Lovato RF829500?

The RF829500 has an adjustable operational current range of 70–95 A.

Which contactors can the RF829500 be mounted on?

The RF829500 is designed for direct mounting on Lovato BF40–BF94 contactors.

What tripping class does the RF829500 use?

The Lovato RF829500 has a Class 10A tripping characteristic.

Does the RF829500 provide phase failure detection?

Yes. The RF829500 is phase-failure and single-phase sensitive and uses manual resetting after a trip.

Trusted Motor Protection from Lovato Electric

The Lovato RF829500 combines adjustable thermal overload protection, phase-failure sensitivity and direct BF contactor mounting for dependable motor protection in industrial control applications.

● 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.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  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.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

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.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

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...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

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...