| Standard and Specification |
Type Test of Low-voltage Switchgear Assembly (TTA) under Internal Fault Conditions |
IEC60439-1, DINEN60439-1 (VDE0660 part 500), IEC61641, VDE0660 part 500 |
| Air Clearance and Creepage Distance |
Rated Impulse Withstand Voltage (Uimp) |
8kV |
| Overvoltage Category |
III |
| Pollution Degree |
3 |
| Rated Insulation Voltage (Ui) |
1000V |
| Rated service voltage (Ue) |
up to 690V |
Rated Current (In)
Horizontal Busbar (3-pole and 4-pole) |
Main Busbar |
Rated Current |
up to 7400 A |
| Rated Peak Withstand Current (Ipk) |
up to 375 kA |
| Rated Short-Time Withstand Current (Icw) |
up to 150 kA, 1s
up to 120 kA, 3s |
| Vertical Busbar for Circuit-Breaker Technology |
Rated Current |
up to 6300 A |
| Rated Peak Withstand Current (Ipk) |
up to 250 kA |
| Rated Short-Time Withstand Current (Icw) |
up to 100 kA, 1s
up to 80 kA, 3s |
| Vertical Busbar for Fixed-Type Installation Technology |
Rated Current |
up to 1400 A |
| Rated Peak Withstand Current (Ipk) |
up to 163 kA |
| Rated Short-Time Withstand Current (Icw) |
up to 65 kA, 1s(Rated short-circuit limiting current can reach up to 100 kA)
up to 50 kA, 3s |
| Vertical Busbar for Plug-In Technology (3NJ6) |
Rated Current |
up to 2100 A |
| Rated Peak Withstand Current (Ipk) |
up to 110 kA |
| Rated Short-Time Withstand Current (Icw) |
up to 50 kA, 1s(Rated short-circuit limiting current can reach up to 100 kA) |
| Vertical Busbar for Drawer-Type Design and Plug-In Design |
Rated Current |
up to 1200 A |
| Rated Peak Withstand Current (Ipk) |
up to 163 kA |
| Rated Short-Time Withstand Current (Icw) |
up to 65 kA, 1s(Rated short-circuit limiting current can reach up to 100 kA)
up to 50 kA, 3s |
| Apparatus - Rated Current |
Circuit-Breaker |
up to 6300 A |
| Cable Feed Circuit |
up to 630 A |
| Internal Partitioning of Enclosure |
Format 1 to Format 4 |
IEC60439-1, 7.7
DINEN60439 - 1 |
| Surface Finish |
Framework components |
Zinc-plated / powder-coated / painted |
| Enclosure |
Zinc-plated / powder-coated / painted |
| Doors |
Powder-coated / painted |
| Ingress Protection Rating |
IEC60529,EN60529 |
IP30 to IP54 |
| Dimensions |
Height: 2200, 2600 mm (including top unit)
Width: 600, 800, 1000, 1200 mm
Depth: 600, 800, 1000, 1200 mm |
