: Maximum 32 Potential free NO
Contacts divided into 4 groups
.. which are used for Control
operation of various Electrical Mec- ...hanisms of the Sub-Station.
Auxiliary Supply
: 18-52 V DC/AC or 77-250 V DC/AC or +12 & +24VDC
Contact Rating
: Alarm Duty (should be used
along with auxiliary tripping relay
. . to operated CB coil directly).
Insulation
: As per IS:3231/ IEC 255.
Impulse Test
: As per IS:8686 / IEC 255.
Communication Ports
: Options of Rs485,
RS232, Fiber-optic or Ethernet
connections
