RF823300 Lovato RF82 overload relay 20-33 amp dol 15kw star/delta at 22kw

RF823300 Lovato RF82 overload relay 20-33 amp dol 15kw star/delta at 22kw

Lovato RF823300 thermal overload relay, a 20-33 A motor protection relay designed for industrial motor control and protection applications.

SKU: RF823300MPN: RF823300
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List Price £138.29 ex VAT
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Why Choose the Lovato RF823300 Thermal Overload Relay?

The Lovato RF823300 is a robust thermal overload relay designed to protect three-phase motors against overload conditions and phase failure in industrial motor control applications. As part of the reliable Lovato RF82 series, this motor protection relay provides dependable thermal protection, manual reset operation and direct mounting compatibility with Lovato BF40 to BF94 contactors.

This overload relay is engineered for industrial motor starters and control panels where reliable motor protection is essential. The RF823300 detects overload conditions and phase loss, helping prevent motor damage caused by excessive current and single-phase operation while improving equipment reliability and service life.

With an adjustable operating current range of 20–33 A, a three-pole configuration and direct mounting compatibility with Lovato BF40 to BF94 contactors, the RF823300 is suitable for industrial motor control systems requiring compact and dependable protection.

Key Advantages

  • Reliable thermal motor protection relay for industrial applications.
  • 20–33 A adjustable operating current range for flexible motor protection.
  • Phase failure detection helps protect motors against single-phase operation.
  • Manual reset operation for controlled equipment restart.
  • Direct mounting on Lovato BF40 to BF94 contactors.
  • Compact design for straightforward installation in motor control assemblies.

Key Features

  • Lovato RF82 series thermal overload relay.
  • 20–33 A operational current adjustment.
  • Three-pole motor protection design.
  • Phase failure and single-phase sensitivity.
  • Manual reset mode.
  • Trip indicator and test button included.
  • Direct mounting on Lovato BF40 to BF94 contactors.
  • IP20 frontal protection rating.

Reliable Motor Protection for Industrial Systems

Thermal overload relays such as the Lovato RF823300 protect electric motors by monitoring operating current and disconnecting the motor circuit when excessive current conditions occur. This helps prevent overheating, reduces equipment damage and improves the reliability of industrial machinery.

The RF82 series is designed for integration with Lovato motor starters and contactor systems. Its adjustable current setting, phase failure sensitivity and manual reset function make it suitable for modern industrial automation and motor control applications.

Typical Applications

  • Industrial motor starters.
  • Pumps and water handling systems.
  • Fans and ventilation equipment.
  • Conveyor and material handling systems.
  • Production machinery.
  • OEM control panels and automation systems.

Technical Specifications

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Compatible With BF40–BF80
Mounting Type Direct mount on contactor
Device Type Thermal Overload Relay
Current Range 20–33 A
Trip Class Class 10A
Reset Type Manual
Poles 3-pole
HS Code 85364900
Manufacturer Lovato Electric
Series RF82
Model RF823300
Product type Thermal overload relay
Number of poles 3
Operational current range 20–33 A
Trip class 10A
Release type Thermal
Phase failure detection Yes
Reset mode Manual
Rated insulation voltage 690 V
Rated operational voltage 690 V
Rated impulse withstand voltage 8 kV
Protection rating IP20
Mounting type Direct mounting on BF40 to BF94 contactors
Auxiliary contacts 1 NO + 1 NC
Operating temperature -20 to 55 °C
Weight approx. 360 g

Frequently Asked Questions

What is the Lovato RF823300 used for?

The RF823300 is a thermal overload relay used to protect three-phase motors against overload conditions and phase failure.

What current range does the RF823300 support?

The relay supports an adjustable operating current range of 20–33 A.

Does the RF823300 detect phase failure?

Yes, the relay includes phase failure detection to help protect motors from single-phase operation.

What reset options are available?

The RF823300 uses a manual reset mode for controlled motor restarting after an overload event.

Which contactors is the RF823300 compatible with?

The relay is designed for direct mounting on Lovato BF40 to BF94 contactors.

Trusted by Industrial Automation Engineers Worldwide

Lovato RF82 thermal overload relays are widely used in industrial motor control systems to provide dependable protection, flexible installation and reliable operation in demanding automation environments.