Free Standards Download

AS NZS IEC 60947.5.8:2015 pdf download.Low-voltage switchgear and controlgear Part 5.8: Control circuit devices and switching elements——Three-position enabling switches. 3 Classification 3.1 Contact elements Subclause 3.1 of IEC 60947-5-1 applies. 3.2 Three-position enabling switch Three-position enabling switches...

AS NZS IEC 60947.5.5:2015 pdf download.Low-voltage switchgear and controlgear Part 5.5: Control circuit devices and switching elements- Electrical emergency stop device with mechanical latching function. 5 Electrical requirements 5.1 The utilization categories shall be AC-15 and/or DC-13...

AS NZS IEC 60947.4.2:2015 pdf download.Low-voltage switchgear and controlgear Part 4.2: Contactors and motor-starters- AC semiconductor motor controllers and starters. Starting characteristics of squirrel cage and hermetic refrigeration motors a) One direction of rotation with the inclusion...

AS NZS IEC 60947.5.6:2015 pdf download.Low-voltage switchgear and controlgear Part 5.6: Control circuit devices and switching elements- DC interface for proximity sensors and switching amplifiers (NAMUR). 2 Normative references The following normative documents contain provisions which, through...

AS NZS IEC 60947.7.3:2015 pdf download.Low-voltage switchgear and controlgear Part 7.3: Ancillary equipment- Safety requirements for fuse terminal blocks. 8 Tests 8.1 Kinds of test Subclause 8.1 of IEC 60947-7-1 applies. 8.2 General Subclause 8.2 of IEC...