BS EN 60664-1:2007 PDF

Scope: This part of IEC 60664 deals with insulation coordination for equipment within low-voltage systems. It applies to equipment for use up to 2 000 m above sea level having a rated voltage up to a.c. 1 000 V with rated frequencies up to 30 kHz, or a rated voltage up to d.c. 1 500 V. It specifies the requirements for clearances, creepage distances and solid insulation for equipment based upon their performance criteria. It includes methods of electric testing with respect to insulation coordination. The minimum clearances specified in this standard do not apply where ionized gases occur. Special requirements for such situations may be specified at the discretion of the relevant technical committee. This standard does not deal with distances – through liquid insulation, – through gases other than air, – through compressed air.

BS EN 60664-1:2007 Referenced Document

IEC 60216 Guide for the determination of test procedures for evaluating thethermal endurance properties of electrical insulating materials

2007 BS EN 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Principles, requirements and tests
2003 BS EN 60664-1:2003 Insulation coordination for equipment within low-voltage systems - Principles, requirements and tests
1995 BS 7822-1:1995 Insulation coordination for equipment within low-voltage systems - Principles, requirements and tests