Product Details:

• Range :  I-Line
• Number of poles: 1P
  
• [In] rated current : 20 A at 40 °C
• [Ue] rated operational voltage : 277 V AC 50/60 Hz conforming to EN/IEC 60947-2
  250 V DC conforming to EN/IEC 60947-2
• Suitability for isolation : Yes conforming to EN/IEC 60947-2
  
• utilisation category : Category A
  
• Performance level : N
  
• Trip unit name : TM-D
  
• Trip unit technology : Thermal-magnetic
  
• Trip unit protection functions : LI
  

For more information please see attached the Datasheet.