RET670V2.2-B30-Y13-A02-F02-P23-B1X0-EF-CB-B-B3X0-CD1-AD1-AXXXXXXX-KKXXXXXXXXXXXX is a specific
 model of the RET670 digital protection relay produced by ABB. The relevant parameters are as follows:

• Auxiliary voltage: 90-250V DC.
• Protection functions: Equipped with multiple protection functions such as overcurrent, earth fault,
   overvoltage, undervoltage, overexcitation, harmonic protection, differential protection, and thermal stability monitoring.
• Measurement functions: Can accurately measure voltage, current, power, power factor, etc., and also has a harmonic analysis function.
• Communication functions: Supports various communication protocols such as IEC 61850 and
  Modbus, facilitating integration with upper-level computer systems.
• Rated current: 10A.
• Number of contacts: 8 normally open contacts and 8 normally closed contacts.
• Operating temperature range: -20°C to 55°C.
• Humidity range: 5% to 95% non-condensing.