51www.se.comDesign guideSelect the short-circuit protectionThe selection guides below can be used to determine the circuit breaker required to fully protect the trunking depending on the prospective short-circuit current of the installation.Example: in an installation with a prospective Isc of 15 kA, the circuit breaker required to protect 25 A KBB trunking is a iC60H (the rating depends on the rated current of the circuit).In bold, the most appropriate device to the rating of the busbar trunkingSelection guide for 230 / 240 VIsc max (kA rms) KBA2510 kA15 kA20 kA25 kACircuit breakeriC60N10/.../25iC60H10/.../25iC60L10/.../25iC60L10/.../25iC60N10/.../25iC60H10/.../25iC60L10/.../25iC60L10/.../25NG125N10/.../25Isc max (kA rms) KBB2510 kA15 kA20 kA25 kACircuit breakeriC60N10/.../25iC60H10/.../25iC60L10/.../25iC60L10/.../25iC60N10/.../25iC60H10/.../25iC60L10/.../25iC60L10/.../25NG125N10/.../25Isc max (kA rms) KBA4010 kA15 kA20 kA25 kA50 kACircuit breakeriC60N10/.../40iC60H10/.../40iC60L40iC60L10/.../25iC60N10/.../40iC60H10/.../40iC60L40iC60L10/.../25NG125N10/.../40NG125L10/.../40Isc max (kA rms) KBB4010 kA15 kA20 kA25 kA50 kACircuit breakeriC60N10/.../40iC60H10/.../40iC60L40iC60L10/.../25iC60N10/.../40iC60H10/.../40iC60L40iC60L10/.../25NG125N10/.../40NG125L10/.../40Selection guide for 380 / 415 VKBA / KBB trunkingIsc max (kA rms) KBA2510 kA15 kA20 kA25 kACircuit breakeriC60N10/.../25iC60H10/.../25iC60L10/.../25iC60L10/.../25iC60N10/.../25iC60H10/.../25iC60L10/.../25iC60L10/.../25NG125N10/.../25Isc max (kA rms) KBB2510 kA15 kA20 kA25 kACircuit breakeriC60N10/.../25iC60H10/.../25iC60L10/.../25iC60L10/.../25iC60N10/.../25iC60H10/.../25iC60L10/.../25iC60L10/.../25NG125N10/.../25Isc max (kA rms) KBA4010 kA15 kA20 kA25 kA36 kA50 kACircuit breakeriC60N10/.../40iC60H10/.../40iC60L40iC60L10/.../25iC60N10/.../40iC60H10/.../40iC60L40iC60L10/.../25NG125N10/.../40NG125H10/.../40NG125L10/.../40Isc max (kA rms) KBB4010 kA15 kA20 kA25 kA36 kA50 kACircuit breakeriC60N10/.../40iC60H10/.../40iC60L40iC60L10/.../25iC60N10/.../40iC60H10/.../40iC60L40iC60L10/.../25NG125N10/.../40NG125H10/.../40NG125L10/.../40E
Previous page: Prefabricerad kanalskena för belysning och [50 / 68]
Next page: Prefabricerad kanalskena för belysning och [52 / 68]
