GB/T 14048.20-2013 Active National standards

GB/T 14048.20-2013 Low-voltage switchgear and controlgear—Part 5-8:Control circuit devices and switching elements—Three-position enabling switches

Publish Date: 2013-12-17 Implement Date: 2014-04-09 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 14048.20-2013

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Control appliances

ICS Name: Low-voltage switchgear and controllers

Publish Date: 2013-12-17

Implement Date: 2014-04-09

Pages: 17 pages

Scope

This section specifies the requirements for three enabling switches.
This section applies to switches used as enabling devices (see the provisions of GB 5226.1—2008, Section 10.9), which provide signals in the following situations:
1) When activated, they allow mechanical operation to be initiated by a separate start control, and
2) When deactivated:
a) They trigger the stop function, and
b) They prevent mechanical operation.

Development Information

Word Count: 27 Thousand words Pages: 17 pages

Same series standard

GB/T 14048.19-2013 Low-voltage switchgear and controlgear—Part 5-7:Control circuit devices and switching elements—Requirements for proximity devices with analogue output GB/T 14048.21-2013 Low-voltage switchgear and controlgear—Part 5-9:Control circuit devices and switching elements—Flow rate switches

Referenced Standards

GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB 5226.1-2008 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements IEC 60947-1:2011 IEC 60947-5-1:2003

Adopt standards

IEC 60947-5-8:2006

Related Standards

GB 7251.2-1997 Replaced

GB 7251.2-1997 Low-voltage switchgear and control gear assemblies—Part 2:Particular requirements for busbar trunking systems(busways)

Publish Date: 1997-12-30

GB/T 11022-1999 Replaced

GB/T 11022-1999 Common specifications for high-voltage switchgear and control gear standards

Publish Date: 1999-10-10

GB/T 18858.1-2002 Replaced

GB/T 18858.1-2002 Low-voltage switchgear and control gear Controller-device interface(CDIs)—Part 1:General rules

Publish Date: 2002-10-08

GB/T 18858.3-2002 Replaced

GB/T 18858.3-2002 Low-voltage switchgear and control gear—Controller-Device interface(CDI)—Part 3:Device Net

Publish Date: 2002-10-08

GB/Z 18859-2002 Replaced

GB/Z 18859-2002 Enclosed low-voltage switchgear and controlgear Assemblies—Guide for testing under conditions of arcing due to internal fault

Publish Date: 2002-10-08

GB 14048.4-2003 Replaced

GB 14048.4-2003 Low-voltage switchgear and controlgear—Electromechanical contactors and motor-starters

Publish Date: 2003-09-10