Schneider Electric LRD Series Thermal Overload Relay, 30 to 40 A Motor Rating, Automatic Reset Method - LRD340
This thermal overload relay is designed for motor protection, specifically within the TeSys range. The LRD340 provides reliable performance for motor applications, offering overload protection with an adjustment range of 30 to 40A. With dimensions of 55mm in width, 116mm in depth, and 70mm in height, this device is designed for under contactor mounting, making it suitable for various industrial settings.
Features & Benefits
• Automatic reset enhances user convenience
• 1NO + 1NC contact configuration for versatile connections
• Reliable operation in temperatures from -20 to +60 °C
• Compatible with various motor sizes for flexibility
• Suitable for AC and DC networks, increasing applicability
• Screw terminal design facilitates easy and secure connections
Applications
• Protects motors in industrial and manufacturing environments
• Used with AC and DC networks for versatile
• Ideal for integration with LC1D series contactors
• Supports ambitious automation projects by ensuring reliability
What is the significance of the 30 to 40A adjustment range?
The 30 to 40A adjustment range allows for fine-tuning the overload protection according to the motor specifications, ensuring optimal operation and preventing damage caused by excessive currents.
How does the automatic reset function work?
When the thermal overload condition is cleared, the relay automatically resets itself, which eliminates the need for manual intervention and enhances overall operational efficiency.
Can it be used with different types of networks?
Yes, this relay is compatible with both AC and DC networks, making it suitable for diverse applications across various industries.
What type of terminals does this device feature?
The relay is equipped with screw terminals, which provide reliable and secure connections for both control and power circuits, accommodating various cable sizes.
What is the impact of the rated operational voltage?
With a rated operational voltage of up to 690V AC, this thermal overload relay is designed to handle high voltages effectively, ensuring safety and durability even in demanding environments.