![Specification for contactors : [metric units]. Part 1, Contactors for voltages up to and including 1000 volts a.c. and 1200 volts d.c](/img/books.png)
Specification for contactors : [metric units]. Part 1, Contactors for voltages up to and including 1000 volts a.c. and 1200 volts d.c by British Standards Institution. ISBN 0580004171. Published by B.S.I in 1969. Publication and catalogue information, links to buy online and reader comments.