Scope of Testing
Low Voltage Switchgear
| Type of test/Properties measured/Range of measurement
|
Standard specifications/ Equipment/Techniques used
|
| Verification of Temperature rise, up to 5000 A, 3 phase AC | IEC 61439-1 Edition 3 2020-05 IEC 61439-2 Edition 3 2020-07 |
| Verification of dielectric properties a. Power Frequency withstand voltage up to 4.5 kV b. Impulse withstand voltage up to 20 kV peak c. Insulation resistance test – Up to 5 kV / 950 GΩ |
IEC 61439-1 Edition 3 2020-05 IEC 61439-2 Edition 3 2020-07 |
| Verification of clearance and creepage distances | IEC 61439-1 Edition 3 2020-05 IEC 61439-2 Edition 3 2020-07 |
| Verification of degree of protection Up to IP55 | IEC 60529 Edition 2.2 2013-08 IEC 61439-1 Edition 3 2020-05 IEC 61439-2 Edition 3 2020-07 |
| Verification of strength of materials and parts (Lifting) Up to 5000 kg | IEC 61439-1 Edition 3 2020-05 IEC 61439-2 Edition 3 2020-07 |
| Verification of mechanical operation | IEC 61439-1 Edition 3 2020-05 IEC 61439-2 Edition 3 2020-07 |
| Electrical continuity of earthed metallic parts test | IEC 61439-1 Edition 3 2020-05 |
| |
|