Thermal Overload Relay – Industrial Control Solutions | Weltrus

Advanced Thermal Overload Relay Solutions

Protect your motors and equipment with our reliable thermal overload relays. Engineered for precision and durability in demanding industrial environments.

Thermal Overload Relay Products | Weltrus

Thermal Overload Relay Product Line

Comprehensive range of thermal overload relays for motor protection in various industrial applications

Popular
Thermal Overload Relay

Standard Thermal Overload Relay FX-5

Reliable thermal overload protection with adjustable current settings and manual reset function for standard motor applications.

Current: 0.16-12.5A
Class 12.5A
Compact
FX-100 Thermal Overload Relay

FX-10 (0.16-38A) Thermal Relay

Compact thermal overload relay designed for space-constrained applications with precise current protection from 0.16A to 38A.

Current: 0.16-38A
Compact Size
Medium Range
FX-8025 Thermal Overload Relay

FX-80 (25-97A) Thermal Relay

Versatile thermal overload relay with medium current range, suitable for various industrial motor protection applications.

Current: 25-97A
Versatile Use
High Current
FX-300 Thermal Overload Relay

FX-300 (120-336A) Thermal Relay

High-current thermal overload relay for heavy-duty motor protection applications with robust construction and reliable performance.

Current: 120-336A
Heavy Duty

Key Features & Benefits

Our thermal overload relays are engineered for reliability and performance in demanding industrial environments

Motor Protection

Prevents motor damage from overload conditions, phase failure, and phase unbalance with precise thermal response.

Adjustable Settings

Easy-to-adjust current settings and trip class selection for customized motor protection.

Fast Response

Quick thermal response to overload conditions with accurate trip timing based on current levels.

Technical Specifications

Detailed technical information for our thermal overload relay product line

Current Range

Wide adjustable current range from 0.1A to 336A to accommodate various motor sizes and applications.

Thermal Response

Precise thermal memory function that accounts for previous motor heating and cooling cycles.

Installation

Easy installation with standard DIN rail mounting and clear terminal markings for quick wiring.

Certifications

UL, CE, IEC compliant with IP20 protection rating for industrial environments.

Industrial Applications

Our thermal overload relays are designed for various industrial motor protection applications

Motor Control Centers

Protection for motors in industrial motor control centers and distribution panels.

  • Group motor protection
  • Centralized control
  • Easy maintenance

HVAC Systems

Reliable protection for fans, pumps, and compressors in heating and cooling systems.

  • Fan motor protection
  • Pump motor safety
  • Compressor overload

Industrial Machinery

Motor protection for conveyor systems, machine tools, and production equipment.

  • Conveyor protection
  • Machine tool safety
  • Production line reliability

Ready to Protect Your Motors

Contact our specialists today to discuss your thermal overload relay requirements and get the right protection solution for your application.

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