Table A-3 .Time Dial Setting Cross-Reference
Curve
Equivalent
To
Electromechanical Relay Time Dial Setting
0.5 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0
Basler Electric Equivalent Time Dial Setting
S, S1 ABB CO-2 0.3 0.8 1.7 2.4 3.4 4.2 5.0 5.8 6.7 7.7 8.6 9.7
ABB CO-5 0.4 0.8 1.5 2.3 3.3 4.2 5.0 6.0 7.0 7.8 8.8 9.9
D
ABB CO-6 0.5 1.1 2.0 2.9 3.7 4.5 5.0 5.9 7.2 8.0 8.9 10.1
M
ABB CO-7 0.4 0.8 1.7 2.5 3.3 4.3 5.3 6.1 7.0 8.0 9.0 9.8
I, I1
ABB CO-8 0.3 0.7 1.5 2.3 3.2 4.0 5.0 5.8 6.8 7.6 8.7 10.0
V, V1
ABB CO-9 0.3 0.7 1.4 2.1 3.0 3.9 4.8 5.7 6.7 7.8 8.7 9.6
E, E1 ABB CO-11 0.3 0.7 1.5 2.4 3.2 4.2 5.0 5.7 6.6 7.8 8.5 10.3
I2 GE IAC-51 0.6 1.0 1.9 2.7 3.7 4.8 5.7 6.8 8.0 9.3 10.6 N/A
V2
GE IAC-53 0.4 0.8 1.6 2.4 3.4 4.3 5.1 6.3 7.2 8.4 9.6
N/A
S2
GE IAC-55 0.2 1.0 2.0 3.1 4.0 4.9 6.1 7.2 8.1 8.9 9.8
N/A
GE IAC-66 0.4 0.9 1.8 2.7 3.9 4.9 6.3 7.2 8.5 9.7 10.9 N/A
E2
GE IAC-77 0.5 1.0 1.9 2.7 3.5 4.3 5.2 6.2 7.4 8.2 9.9
N/A
A-4 DGC-500 Time Overcurrent Characteristic Curves 9355400990 Rev H