| Attribute | Value |
|---|---|
| Brand | Westinghouse Electric Corp. |
| Product Type | Thermal Overload Relay |
| Feature | Ambient Compensated |
| Catalog Number | Ba43a |
| Model | Model A |
| Mfg. Code | C960129 |
| Control Circuit Contact Rating | B600 |
| Part / Code | Np6710c78h01 |
| Country of Origin | Made in USA |
| Weight | 410 gm |
| Condition | Used, 1 pcs |
| Reference Number | 54933 |
What is the Westinghouse BA43A Thermal Overload Relay?
The Westinghouse BA43A Thermal Overload Relay is a protection device designed to protect motors and industrial circuits from excessive current and overheating conditions. It senses abnormal load conditions and prevents damage to connected equipment by interrupting the circuit before the motor reaches unsafe temperature levels.
Overload thermal relays play a crucial role in motor control for safety, reliability, and the longevity of the equipment. The BA43A model, due to its robustness and accuracy, finds extensive applications in industrial automation, marine, power distribution panels, and heavy-duty electrical systems.
With solid construction and an accurate thermal sensing mechanism, the Westinghouse BA43A provides dependable protection under harsh operating environments.
Key Features of the Westinghouse BA43A Thermal Overload Relay
1. Reliable Overload Protection
The relay is designed to detect excessive current flow and disconnect the motor before any thermal damage occurs. It provides accurate overload response due to changes in load conditions.
2. Adjustable Trip Settings
Users can customize trip settings to motor load characteristics for precise protection without nuisance trips.
3. Bimetallic Thermal Technology
The BA43A utilizes proven bimetallic strip technology that bends with heat, initiating a trip mechanism. This provides predictable and consistent overload protection.
4. Manual and Automatic Reset Options
The relay also supports both of these reset modes, allowing operators to choose the best fit for their application and safety needs.
5. Compact and Robust Design
It features a relay designed for industrial and marine environments, withstanding temperature fluctuations, vibration, moisture, and high-load operations.
6. Easy integration with contactors
The BA43A is designed to install easily and operate efficiently with Westinghouse motor contactors.
7. Fail-Safe Functionality
In the case of internal failure, the system ensures that the circuit remains protected, adding an extra layer of safety in operation.
Applications of the Westinghouse BA43A Thermal Overload Relay
The fact that the BA43A can endure continuous operation and has good reliability makes it popular across many types of industries. Typical applications include:
1. Industrial Motor Protection
Protects motors in manufacturing plants, assembly lines, material handling systems and heavy machinery.
2. Marine Electrical Systems
Finding application in shipboard control panels, engine rooms, and marine automation systems where overload protection is of paramount importance.
3. HVAC & Pump Systems
Suitable for preventing overheating in fans, blowers, compressors, and water pumps.
4. Power Distribution Panels
Set up on electric distribution boards to protect the circuits from being overloaded.
5. Conveyors and Industrial Drives
Conveyors, elevating devices, and automated drives are kept running without interruptions.
6. Automated Control Systems
Employed in PLC-controlled automation panels to maintain safe operating conditions.
Why Choose the Westinghouse BA43A Thermal Overload Relay?
1. Proven Westinghouse Reliability
Westinghouse products are known for longevity, performance, and consistency, especially in challenging industrial environments.
2. Precise Overload Protection
BA43A helps motors to operate within safe parameters while eliminating expensive breakdowns, and it prolongs service life.
3. Cost-Effective Safety Solution
The BA43A is thus much more economically priced compared to advanced electronic protection devices.
4. Wide Compatibility
Works with a variety of motor controllers, contactors, and automation panels; thus, it will fit well within any system.
5. Easy Maintenance and Operation
Simple manual/auto reset options along with straightforward mechanical design make inspection and maintenance hassle-free.
6. Suitable for Harsh Environments
Its rugged construction allows it to work reliably in marine, industrial, and high-temperature conditions.
7. Trusted by Automation
Professionals Used in many industries by engineers, technicians, and integrators who require reliable overload protection.
