BS 3939 SECTION 22:1971

Graphical symbols for electric power, telecommunications and electronics diagrams.-Block symbols for telecommunications transmission and general applications

BSI Group, 04/30/1975

Publisher: BS

File Format: PDF

$125.00$251.46

Published:30/04/1975

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

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

Specification for motor starters for voltages up to and including 1000 V a.c. and 1200 V d.c.-Rheostatic rotor starters

$147.00 $294.64

Specification for ingots and castings of aluminium-copper-silicon alloy (solution treated and aged at room temperature) (Cu 4, Si 1)

$76.00 $152.40

Specification for ingots and castings of aluminium-copper-silicon alloy (solution treated and artificially aged) (Cu 4, Si 1)

$76.00 $152.40

Specification for degrees of protection of enclosures of switchgear and controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c.

$90.00 $180.34