Havells Thermal Over Load Relay 378A – 630A

Havells Thermal Over load Relay 378A – 630A | High-Capacity Motor Protection for Heavy Industries

The Havells Thermal Overload Relay 378A – 630A is a premium-grade industrial protection device engineered to safeguard very large motors used in the most demanding applications. Designed with precision thermal sensing technology, it ensures accurate protection against overload, overheating, single phasing, and current imbalance, thereby reducing downtime and preventing costly motor failures.

With its extra-wide adjustable current range of 378A to 630A, this relay is perfect for large-capacity industrial motors installed in steel plants, cement factories, power plants, mining operations, petrochemical industries, and large HVAC systems. It provides robust protection while maintaining operational efficiency, making it a trusted solution for mission-critical operations.

The bimetallic thermal mechanism offers dependable tripping during overloads, while the manual and automatic reset options provide operational flexibility. It is built to directly integrate with Havells contactors, making installation and maintenance straightforward.

Thanks to its rugged construction and high endurance, the Havells Thermal Overload Relay 378A – 630A guarantees long-term reliability even in harsh industrial conditions, where consistent performance is non-negotiable.

🔹 Key Features

• Adjustable Current Range: 378A – 630A

• Precision Overload Protection: Bimetallic sensing mechanism for accurate tripping.

• Phase Failure & Imbalance Protection: Prevents single-phasing motor damage.

• Reset Options: Manual and automatic reset modes available.

• Direct Contact Mounting: Seamlessly integrates with Havells contactors.

• Heavy-Duty Design: Built for high-capacity industrial operations.

🔹 Benefits

1. Reliable Motor Protection – Prevents overheating and overload damage.

2. Extended Equipment Lifespan – Ensures longer service life of high-capacity motors.

3. Reduced Downtime – Quick and precise tripping minimizes production losses.

4. Operational Flexibility – Dual reset options for different application needs.

5. Trusted Havells Quality – Superior reliability in challenging industries.

🔹 Applications

• Steel and cement plants

• Mining operations

• Power plants and utilities

• Petrochemical and refinery industries

• Large HVAC & refrigeration plants

• High-capacity water pumping & treatment stations

• Heavy-duty manufacturing & process industries

🔹 Technical Specifications

• Brand: Havells

• Model: Thermal Overload Relay 378A – 630A

• Current Range: 378 – 630 Amperes

• Protection Features: Overload, overheating, single phasing, current imbalance

• Reset Options: Manual / Automatic

• Mounting: Direct with Havells contactors

✅ The Havells Thermal Over load Relay 378A – 630A delivers unmatched motor protection for the heaviest industrial applications, ensuring safety, reliability, and efficiency.