Page 47 - Yueqing Dingqiao Electric Co., Ltd. (English)

Tripping and Limitation Curves
TEZC 100-630-Low voltage protection

TEZC100 TM trip units (cont.)

100 A
10 000
5 000
2 000
1 000
500
200
100
50
20
10
5
t(s)
2
1
.5
.2
.1
.05
.02
.01
.005
.002
.001
.5 .7 1 2 3 45 .7 10 20305070 100 200300
I / Ir
TEZC250 TM trip units
63-80-100-125 A 150-160-175-200 A 225-250 A
10 000 10 000 10 000

5 000 5 000 5 000
2 000 2 000 2 000
1 000 1 000 1 000
500 500 500
200 200 200
100 100 100
50 50 50
20 20 20
10 10 10
5 5 5
t(s) t(s) t(s)
2 2 2
1 1 1
.5 .5 .5
.2 .2 .2
.1 .1 .1
.05 .05 .05
.02 .02 .02
.01 .01 .01
.005 .005 .005
.002 .002 .002
.001 .001 .001
.5 .7 1 2 3 45 .7 10 20305070 100 200300 .5 .7 1 2 3 45 .7 10 20305070 100 200300 .5 .7 1 2 3 45 .7 10 20305070 100 200300
I / Ir I / Ir I / Ir
TEZC 400/630 trip units
320-350-400 A TM500D TM600D
10 000 10 000 10 000
5 000 5 000 5 000
2 000 2 000 2 000
1 000 1 000 1 000
500 500 500
200 200 200
100 100 100
50 50 50
20 20 20
10 10 10
5 5 5
t(s) t(s) t(s)
2 2 2
1 1 1
.5 .5 .5
.2 .2 .2
.1 .1 .1
.05 .05 .05
.02 .02 .02
.01 t < 10 ms .01 t < 10 ms .01 t < 10 ms
.005 .005 .005
.002 .002 .002
.001 .001 .001
.5 .7 1 2 34 57 10 20 30 50 70 100 200 300 .5 .7 1 2 34 57 10 20 30 50 70 100 200 300 .5 .7 1 2 34 57 10 20 30 50 70 100 200 300
I / Ir I / Ir I / Ir
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