1. BS EN 61812-1:2011. Time relays for industrial and residential use - Part 1: Requirements and tests

2. BS EN 61837-1:2012. Surface mounted piezoelectric devices for frequency control and selection Standard outlines and terminal lead connections - Part 1: Plastic moulded enclosure outlines

3. BS EN 61754-25:2009. Fibre optic connector interfaces - Part 25: Type RAO connector family

4. BS EN 61754-26:2012. Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 26: Type SF connector family

5. BS EN 61754-28:2012. Fibre optic interconnecting devices and passive components -Fibre optic connector interfaces - Part 28: Type LF3 connector family

6. BS EN 61754-29:2012. Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 29: Type BLINK connector series

7. BS EN 61754-30:2014. Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 30: Type CLIK connector series

8. BS EN 61754-31:2016. Fibre optic interconnecting devices and passive components -Fibre optic connector interfaces - Part 31: Type N-FO connector family

9. BS EN 61755-2-4:2015. Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 2-4: Connection parameters of non-dispersion shifted single-mode physically contacting fibres

10. BS EN 61755-2-5:2015. Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 2-5: Connection parameters of non-dispersion shifted single-modephysically contacting fibres – Angled for referen