Havells Thermal Over Load Relay IHHR73C15 is a reliable and efficient device that protects motors from overload and single-phasing. It has a current rating of 300-500A and is suitable for use in a wide range of industrial applications. The relay is temperature compensated and offers on-site selection of either hand or automatic resetting.
Features
- Reliable protection against overload and single-phasing
- Temperature compensated
- On-site selection of hand or automatic resetting
- Easy to install and use
- Compact and rugged design
- Wide range of operating temperatures
- Complies with IS/IEC 60947-4-1 standards
Benefits
- Protects motors from damage and extends their lifespan
- Reduces downtime and maintenance costs
- Improves safety and reliability of industrial operations
- Easy to use and maintain
- Value for money
Applications
Havells Thermal Over Load Relay IHHR73C15 is ideal for use in a wide range of industrial applications, including:
- Heavy-duty conveyors
- Industrial fans
- High-power pumps
- Compressors
- Large-scale air conditioners
- Commercial refrigerators
- Machine tools
- Textile machinery
- Heavy-duty food and beverage processing equipment
- Mining equipment
- Oil and gas industry equipment
- Power generation and distribution equipment
How it works
Havells Thermal Overload Relay IHHR73C15 works by monitoring the current flowing through the motor. If the current exceeds the setpoint, the relay trips and disconnects the motor from the power supply. This protects the motor from damage and extends its lifespan.
The relay also has a single-phasing prevention feature. If one of the phases fails, the relay trips and disconnects the motor from the power supply. This prevents the motor from running on a single phase, which can cause damage.
Installation and use
Havells Thermal Over Load Relay IHHR73C15 is easy to install and use. It is typically mounted on the contactor that controls the motor. The relay is connected to the motor and the power supply using the terminals provided.
Once the relay is installed, it is important to set the current trip point. The trip point should be set slightly above the normal operating current of the motor. This will ensure that the relay trips only when the motor is overloaded.
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