How to read Tripping curve of Advanced control unit LUCB?
Advanced control unit LUCB is Advanced control unit of TeSys U and please find the tripping curve below.
Ir = setting current, refer tripping curve the x-axis is actual current is happen.
Example:
1. you set Ir = 5A. if real current is 5A >>> that’s mean 1 x Ir. in curve.
2. you set Ir = 5A. if real current is 6A >>> that’s mean 1.2 x Ir. in curve.
This model is class 10. Refer to IEC60947, class 10 is <2hr trip for 1.2 x Ir as below and find additional information in FA22893
Ir = setting current, refer tripping curve the x-axis is actual current is happen.
Example:
1. you set Ir = 5A. if real current is 5A >>> that’s mean 1 x Ir. in curve.
2. you set Ir = 5A. if real current is 6A >>> that’s mean 1.2 x Ir. in curve.
This model is class 10. Refer to IEC60947, class 10 is <2hr trip for 1.2 x Ir as below and find additional information in FA22893
Released for: Schneider Electric Thailand
