What is the function of this thermal overload relay?
The thermal overload relay is designed to provide reliable and fast protection for motors in the event of overload or phase failure. It helps prevent damage by interrupting the circuit when excessive current is detected.
What are the key features of this thermal overload relay?
Key features include temperature compensation, trip contact (NC), signal contact (NO), automatic or manual reset options, a trip-free mechanism, a STOP function, and a trip indication.
What is the trip class of this relay?
The relay has a trip class of 10, which indicates the time it takes to trip under overload conditions.
Can this relay be connected directly to block contactors?
Yes, the TF42-1.3 thermal overload relay can be connected directly to block contactors, making it convenient for integration into motor control systems.
What is the rated operational current for this relay?
The rated operational current for the TF42-1.3 relay is 1.3 A.
What is the maximum operating voltage for the main circuit?
The maximum operating voltage for the main circuit is 690 V AC.
What is the degree of protection provided by this relay?
The relay provides a degree of protection rated at IP20, which offers protection against solid objects and limited protection against liquids.
What is the ambient temperature range for operation?
The relay is designed to operate within an ambient temperature range of -25 to +60 °C.
Is there a manual reset option available for this relay?
Yes, the relay offers both automatic and manual reset options, allowing flexibility in operation.
What is the rated impulse withstand voltage for this relay?
The rated impulse withstand voltage for the TF42-1.3 relay is 6 kV.