Siemens UL 508A Referenzhandbuch - Seite 3

Blättern Sie online oder laden Sie pdf Referenzhandbuch für Industrielle Ausrüstung Siemens UL 508A herunter. Siemens UL 508A 30 Seiten.

Short-circuit current rating (SCCR) of

industrial control panels

NEC Article 409 and UL 508A

Short-circuit current rating (SCCR)

of industrial control panels

Reference Manual

06/2013

A5E31896849002A/RS-AA/001

Introduction

___________________

Overview of NEC Article 409

Overview of Supplement SB

___________________

from the UL 508A standard

Basic steps for calculating

___________________

the SCCR of a control panel

Flow chart for calculating the

___________________

SCCR of a component