kA
kiloampere
Electric currentexact by definition
The kiloampere is one thousand amperes. It appears in electrolysis and smelting cells, welding equipment, short-circuit fault ratings and lightning stroke currents, which typically peak in the tens of kiloamperes. The factor of 1000 is exact, being an SI prefix.
Watch out: Breaker interrupting ratings in kA describe a prospective fault current the device can safely break, not a current it carries continuously. Confusing the two badly undersizes protection.
| 1 kA | 1,000 A |
Solvers that use electric current