BS 764:1990

Detail information

Designation: BS 764:1990

Publication date: 31/05/1990

Pages: 14

Country: British technical standard

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Anotation

Design and performance requirements for d.c. and single-phase a.c. double-pole change-over contactors for low-voltages up to 250 volts and a range of standard current ratings, which are used to provide the automatic transfer of current supplied to safety lights from the normal source to an alternative source when the normal source fails; reconnection is automatic when the normal supply conditions are restored. Status: Confirmed