LR2-D33 Thermal Overload Relay

• Protects large motors from overloads (23A-93A range)
• 660V rated insulation voltage, 50/60Hz compatible
• Advanced temperature compensation for consistency
• IEC60947-4 compliant, 7 models for precise selection
• Ideal for heavy-duty industrial and mining applications
• Cost-effective protection for high-power motor assets

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VIOX LR2-D33 Thermal Overload Relay

Overview

The VIOX LR2-D33 is a high-capacity thermal overload relay designed for protecting large electric motors from overload conditions. Suitable for 50Hz or 60Hz circuits with a rated insulation voltage of 660V, this relay offers robust protection for heavy-duty industrial applications.

Key Features

  • Wide current range: 23.0A to 93.0A (adjustable)
  • Advanced temperature compensation mechanism
  • Rated working current up to 93A
  • Compliant with IEC60947-4 standards
  • Suitable for high-power motor protection

Technical Specifications

Main Circuit

  • Rated insulation voltage: 660V
  • Rated working current: 93A
  • Adjustable current settings: 7 ranges from 23.0A to 93.0A

Auxiliary Circuit

  • Contact configuration: One pair of NO and NC contacts (electrically isolated)
  • Rated insulation voltage: 550V
  • Rated frequency: 50-60Hz

Available Models

Model Rated Current (A) Adjustable Range (A)
LR2-D3353 32 23.0-32.0
LR2-D3355 40 30.0-40.0
LR2-D3357 50 37.0-50.0
LR2-D3359 65 48.0-65.0
LR2-D3361 70 55.0-70.0
LR2-D3363 80 63.0-80.0
LR2-D3365 93 80.0-93.0

Applications

  • Protection for large industrial motors
  • Heavy-duty manufacturing equipment
  • Industrial pumps and compressors
  • Large HVAC systems
  • Mining and construction machinery

Benefits

  • Comprehensive protection for high-power motors
  • Wide range of adjustable current settings for versatile application
  • Reliable performance in demanding industrial environments
  • Advanced thermal relay technology for precise protection
  • Cost-effective solution for protecting valuable motor assets

Installation

The VIOX LR2-D33 is designed for easy integration with industrial control systems. For detailed installation instructions and model selection based on your specific motor requirements, please refer to the product manual or consult with our technical support team.

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