• BS 764:1954

BS 764:1954

Specification. Automatic change-over contactors for emergency lighting systems

BSI Group, 06/12/1974

Publisher: BS

File Format: PDF

$125.00$251.46


Published:12/06/1974

Note:This product is unavailable in Ukraine, Russia, Belarus

Contactors which automatically transfer circuits from the normal source of supply to an alternative source when the normal source fails; reconnection is automatic when normal conditions are restored. Performance and constructional details of double-pole contactors for low voltages; range of standard current ratings.

All current amendments available at time of purchase are included with the purchase of this document.

More BS standard pdf

BS 6100-0:1986

BS 6100-0:1986

Glossary of building and civil engineering terms.-Introduction

$147.00 $294.64

BS 122-3:1987

BS 122-3:1987

Milling cutters-Specification for milling cutters except screwed shank cutters

$166.00 $332.74

BS 5685-2:1986

BS 5685-2:1986

Electricity meters-Specification for single-phase coin operated prepayment flat rate and two-part tariff watt-hour meters of Class 2 and fixed charge collectors of Class 2

$44.00 $88.90

BS 1344-9:1987

BS 1344-9:1987

Methods of testing vitreous enamel finishes-Determination of resistance to boiling water and water vapour

$125.00 $251.46