BH GSO IEC 60947-4-3:2017

IEC 60947-4-3:2014
Bahraini Standard   Current Edition · Approved on 03 April 2017

Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads

BH GSO IEC 60947-4-3:2017 Files

English null Pages
Current Edition Reference Language

BH GSO IEC 60947-4-3:2017 Scope

IEC 60947-4-3:2014 applies to a.c. semiconductor non-motor load controllers and contactors intended for performing electrical operations by changing the state of a.c. electric circuits between the ON-state and the OFF-state. Typical applications are classified by utilization categories given in Table 2. This second edition cancels and replaces the first edition published in 1999, Amendment 1:2006 and Amendment 2:2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Update of the marking requirements (6.1); b) Update of the EMC requirements (8.3.2); and c) Update of the tests requirements (9.3.1, 9.4, 9.4.1.1, 9.4.1.2, 9.4.2.1, 9.4.2.2, 9.4.2.3, 9.4.2.4, 9.4.2.6). This publication is to be read in conjunction with IEC 60947-1:2007.

Best Sellers From Electrical Sector

GSO 2530:2016
 
Gulf Standard
Energy Labelling And Minimum Energy Performance Requirements For Air-Conditioners
GSO 34:2007
 
Gulf Technical Regulation
LEAD-ACID STARTER BATTERIES USED FOR MOTOR VEHICLES AND INTERNAL COMBUSTION ENGINES
BH GSO 34:2015
GSO 34:2007 
Bahraini Technical Regulation
LEAD-ACID STARTER BATTERIES USED FOR MOTOR VEHICLES AND INTERNAL COMBUSTION ENGINES
GSO 35:2007
 
Gulf Standard
Methods of test for lead-acid starter batteries used for motor vehicles and internal combustion engines

Recently Published from Electrical Sector

GSO IEC 60393-3:2024
IEC 60393-3:2023 
Gulf Standard
Potentiometers for use in electronic equipment - Part 3: Sectional specification: Rotary precision potentiometers
GSO IEC 61000-6-4:2024
IEC 61000-6-4:2018 
Gulf Standard
Electromagnetic compatibility (EMC) - Part 6-4: Generic standards - Emission standard for industrial environments
GSO IEC 60704-2-18:2024
IEC 60704-2-18:2022 
Gulf Standard
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-18: Particular requirements for electric water heaters
GSO IEC 60079-11:2024
IEC 60079-11:2023 
Gulf Standard
Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"