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BS EN 60715:2017 Dimensions of low-voltage switchgear and controlgear. Standardized mounting on rails for mechanical support of switchgear, controlgear and accessories, 2017
- undefined
- English [Go to Page]
- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Functional requirements
- 5 Standard dimensions [Go to Page]
- 5.1 General
- 5.2 Top hat section
- Figures [Go to Page]
- Figure 1 – Mounting rail TH 15
- Figure 2 – Mounting rail TH 35
- 5.3 "C" section
- Figure 3 – Mounting rail TH 75
- Figure 4 – Mounting rail C 20
- Figure 5 – Mounting rail C 30
- Figure 6 – Mounting rail C 40
- Figure 7 – Mounting rail C 50
- 5.4 "G" section
- Figure 8 – Mounting rail G 32
- Annex A (normative) Specific steel mounting rails [Go to Page]
- A.1 General
- A.2 Top hat section rail TH 15-5,5 [Go to Page]
- A.2.1 Dimensions
- A.2.2 Tolerances
- A.3 Top hat section rail TH 35-7,5 and TH 35-15 [Go to Page]
- A.3.1 Dimensions
- Figure A.1 – Top hat rails 15 mm wide for snap-on mounting of equipment
- Figure A.2 – Tolerances (TH 15-5,5) [Go to Page]
- A.3.2 Tolerances
- A.4 Top hat section rail TH 75-25 [Go to Page]
- A.4.1 Dimensions
- Figure A.3 – Top hat rails 35 mm wide for snap-on mounting of equipment
- Figure A.4 – Tolerances (TH 35-7,5 and TH 35-15) [Go to Page]
- A.4.2 Tolerances
- A.5 "C" section rails: C 20, C 30, C 40 and C 50 [Go to Page]
- A.5.1 Dimensions
- Figure A.5 – Top hat rail 75 mm wide for snap-on mounting of equipment
- Figure A.6 – Tolerances (TH 75-25) [Go to Page]
- A.5.2 Tolerance
- A.6 "G" section rail: G 32 [Go to Page]
- A.6.1 Dimensions
- Figure A.7 – "C" section rails
- Figure A.8 – Tolerances (C 20, C 30, C 40 and C 50)
- Table A.1 – Dimensions of “C” section rails [Go to Page]
- [Go to Page]
- A.6.2 Tolerances
- Figure A.9 – Dimensions of "G" section rails
- Figure A.10 – Tolerances (G 32)
- Annex B (informative) Application guide [Go to Page]
- B.1 General
- B.2 Guidance for use of top hat rails [Go to Page]
- B.2.1 For steel rails in Annex A
- Figure B.1 – Assessment of rail deflection
- Figure B.2 – Permissible load capacity ME = f(L,h) [Go to Page]
- B.2.2 For rails other than steel rails
- B.3 Guidance for use of "C" section rails [Go to Page]
- B.3.1 General
- B.3.2 For steel rails to Annex A
- Figure B.3 – Permissible load capacity ME = f(L,h)
- Figure B.4 – Assessment of rail deflection
- Table B.1 – Maximum torque Mmax [Go to Page]
- Figure B.5 – Permissible load capacity ME = f(L)
- Figure B.6 – Assembly of two identical "C" section railsAssessment of the deflection [Go to Page]
- B.3.3 For rails other than steel rails
- Figure B.7 – Assembly of two identical "C" section railsPermissible stress ME = f(L) for H = 100 mm
- Bibliography [Go to Page]
