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What changes to product markings and technical documentation resulted from the update of the standard IEC 60947-4-1: Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor starters - Electromechanical contactors and motor starters with current status Edition 4.0 of 2018?
This article contains information on how operating voltage, operating current, motor current setting and short-circuit breaking capacity must be reduced in relation to the installation height (sea level).
This entry contains a list of the B10 values / failure rates of electromechanical SIRIUS and SENTRON products
This article contains information on the dynamic behavior of various types of contactors.
This entry contains information about Fuseless Load Feeders with rated operational voltage of 230V AC
This FAQ describe what is to consider when replacing an older motor with efficiency classes (eff3, eff2, eff1, or IE1, IE2) with a high-efficiency motor of efficiency class IE3.
QUESTION: Who is responsible for issuing certificates of origin and certificates of conformity (EN 10204-2004-2-1), test reports and factory certificates for products from Amberg (LZA)? ...