Monitoring relays RPN-1AT-A230

Technical info

Temperature monitoring of the motor winding with fault latch with self-reset. When the total resistance of the PTC circuit exceeds 3,6 kΩ (temperature increases), the operational relay R will be disconnected. The operational relay R will be switched back on when the total resistance of the sensors falls below 1,65 kΩ (the system is cooled). 

Output circuit - contact data:

Number and type of contacts  

1 CO

Contact material 


Max. switching voltage 

300 V

Input circuit: 

Supply voltage AC

230 V

Rated power consumption

0,6 W

Range of supply frequency

48...63 Hz

Measuring circuit: 

Measuring terminals

T1, T2

Measured value 


Input resistance 

≤ 4 kΩ

Measuring voltage  

≤ 7,5 V


Rated surage voltage

4 000 V AC

Insulation rated voltage 

250 V AC

Overvoltage category

III acc. to  EN 60664-1     

General data:

Mechanical life (cycles)

> 3 x 107

Ambient temperature - operating    

-20...+60 oC