Basler Electric BE1-851 User Manual
Page 334
coordination is tight, it is recommended that you retrofit your circuits with Basler Electric electronic relays
to ensure high timing accuracy.
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
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
L1
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
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
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
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
L2
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
BE1-851 Time Overcurrent Characteristic Curves
9289900990 Rev R