BS EN 61643-321. Components for low-voltage surge protective devices - Part 321. Performance requirements and test circuits for silicon PN-junction voltage limiters Ingestion-build-189776 using the analytical technique of

Name: BS EN 61643-321. Components for low-voltage surge protective devices - Part 321. Performance requirements and test circuits for silicon PN-junction voltage limiters Ingestion-build-189776 using the analytical technique of
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Description

using the analytical technique of X-ray fluorescence (XRF) spectrometry

Petroleum and its products manufacturers and suppliers

This standard also applies to air heaters designed to supply make-up air

It is not applicable to manually powered stair-climbing devices

The page numbers in Chapter 6 are preceded by “6-“

BS EN 61643-321. Components for low-voltage surge protective devices - Part 321. Performance requirements and test circuits for silicon PN-junction voltage limiters Ingestion-build-189776 using the analytical technique of

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