Thermal Overload Relay
Thermal Overload Relay — 0.1A to 93A | 690V | 50/60Hz | 3-Phase & Single-Phase compatible. Class 10 protection against overload & phase failure with built-in tripping indicator. Auto & Manual Reset | Test & Stop push button for safe fault verification. Temperature compensation for accurate tripping | Direct plug-in mounting on contactor.
0.1A to 93A | 690V | 50/60Hz
Auxiliary Contact: 1NO + 1NC
Mounting: Plug-in (direct on contactor)
Standards :- IEC/EN 60947-4-1, CSA C22.2
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Motor burnout is one of the most common and costly failures in any industrial plant — and in most cases, it is completely preventable. A Thermal Overload Relay continuously monitors your motor current and instantly trips the circuit when overload or phase failure is detected — before damage occurs. Snap directly onto a contactor, set the current, and your motor is protected 24×7 without any additional wiring or components.
Why Choose This Product?
The Overload Relay ensures reliable motor protection, improved efficiency, and long-term operational safety.
01
Thermal Protection
Protects motors from overheating by detecting excess current and disconnecting automatically.
02
Enhanced Motor Life
Prevents overload damage and extends the lifespan of motors and equipment.
03
Reliable Safety
Protects against phase failure, imbalance, and current irregularities for safe operation.
04
Adjustable Settings
Allows precise current adjustment to suit different motor requirements.
05
Easy Integration
Seamlessly integrates with contactors and control panels for quick installation.
Industrial Metering
Monitors and controls energy usage in factories, warehouses, and manufacturing plants.
Commercial Metering
Provides energy control and monitoring in office buildings, shopping malls, and retail spaces.
Building and Factory Automation
Ideal for building automation systems for precise energy management and load disconnection.
Small-Scale Industries
Suitable for small industries looking to manage energy use efficiently.
Home Appliance Protection
Replaces stabilizers and overload protection for home appliances.
Frequently Asked Questions
A Overload Relay is a device that disconnects electrical loads in case of an overload or fault while providing real-time energy monitoring capabilities. It ensures safety and optimizes energy usage.
By continuously monitoring energy consumption, the Overload Relay ensures optimal power usage, preventing energy wastage and reducing operational costs.
Yes, the LD Series is designed for both industrial and commercial applications, providing reliable protection and energy control across various environments.
The Overload Relay supports RS-485 communication with MODBUS RTU, enabling integration with remote monitoring platforms for continuous data analysis.
The LD Series can handle up to 80A for resistive loads and 50A for inductive loads, making it suitable for a wide range of applications.
