In addition to the general requirements of IEC 60077-2, it gives the rules for circuit-breakers, the main contacts of which are to be connected to d.c. power and/or auxiliary circuits. The nominal voltage of these circuits does not exceed 3 000 V d.c. according to IEC 60850.
IEC 60077-3 Ed. 1.0 b:2001 History
IEC 60077-3 Ed. 2.0 b:2019
$117.00 $234.00
IEC 60077-3 Ed. 1.0 b:2001
$99.00 $199.00
More Standards PDF
IEEE 802.20.3-2010
$48.00 $96.00
IEC 62343-3-1 Ed. 1.0 b:2010
$27.00 $55.00
IEEE 802.1Qau-2010
$95.00 $191.00
IEC 61753-121-2 Ed. 1.0 b:2010
$82.00 $164.00