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TIME CURVE CALIBRATION DATA
50 AND 60 Hertz
PERMANENT MAGNET ADJUSTMENT
RELAY
TIME
TYPE
DIAL
POSITION
CO-2
6
CO-5
6
CO-6
6
CO-7
6
CO-8
6
CO-9
6
CO-11
6
ELECTROMAGNET PLUGS
CO-2
6
CO-5
6
CO-6
6
CO-7
6
CO-8
6
CO-9
6
CO-11
6
∆
For 50 Hz. CO-11 relay 20 times operating time limits are
0.24 + 20% -5%.
Courtesy of NationalSwitchgear.com
TABLE 1
CURRENT
OPERATING
(MULTIPLES OF
TIME
TAP VALUE)
SECONDS
3
0.57
2
37.80
2
2.46
2
4.27
2
13.35
2
8..87
2
11.27
20
0.22
10
14.30
20
1.19
20
1.11
20
1.11
20
0.65
20
0.24
8.
RENEWAL PARTS
Repair work can be done most satisfactorily at the
factory. However, interchangeable parts can be
furnished to the customers who are equipped for
doing repair work. When ordering parts always
give the complete nameplate data.
∆
I.L. 41-100J
7
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