S&C IntelliRupter PulseCloser User Manual

36 S&C Instruction Sheet 766-530
Communication Enhanced Coordination
IR1
IR3
IR2 IR4
IR5
600 A
IEEE Inverse
400 A
IEEE Inverse
Figure 18. CEC temporary fault; all IntelliRupter fault interrupters are closed and
coordinated.
IR1 IR3
IR2 IR4
IR5
SHIFT
SHIFT
Figure 19. CEC temporary fault; IR3 and IR4 detect fault and send a curve-shift message.
600 A
IEEE Inverse
400 A
IEEE Inverse
IR1 IR3
IR2 IR4
IR5
Figure 20. CEC temporary fault; IR2 and IR3 shift to a slower TCC curve.
IR1 IR3
IR2 IR4
IR5
TestingTesting
Figure 21. CEC temporary fault; IR4 trips and begins testing.
IR1
IR3
IR2 IR4
IR5
600 A
IEEE Inverse
400 A
IEEE Inverse
Figure 22. CEC temporary fault; IR2 and IR3 return to the fast CEC curve.

S&C IntelliRupter PulseCloser Specifications

General

Brand	S&C
Model	IntelliRupter PulseCloser
Category	Industrial Electrical
Language	English