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TECHNI CAL DATA
POL ESTAR COMPACT
60
POLESTAR COMPACT MINIATURE CIRCUIT BREAKER -
Tripping Characteristics and Earth loop Impendance Values
l
Tripping Characterteristics
30
I2_13653
20 15
10 8 65 4 3
2
1
2
4
10
20
40
2
1
4
10
20
40
6
60
120
1
6
MULTIPLE OF RATED CURRENT
TRIPPING TIME
MINUTES
SECONDS
1.5
1.45
1.13
0.01
0.02
0.04
0.1
0.2
0.4
0.06
0.6
Tripping characteristic B
For universal use in socket outlet and lighting circuits.
Maximum earth fault loop impedance (Zs) for circuit breakers
with Uo of 230V, incorporating the 0.95 C
min
factor, 17th
Edition IET Wiring Regulations (BS7671:2008), Amendment 3
effective from 1st January 2015
30
I2_13654
20 15
10 8 65 4 3
2
1
2
4
10
20
40
2
1
4
10
20
40
6
60
120
1
6
MULTIPLE OF RATED CURRENT
TRIPPING TIME
MINUTES
SECONDS
1.5
1.45
1.13
0.01
0.02
0.04
0.1
0.2
0.4
0.06
0.6
30
I2_13652
20 15
10 8 65 4 3
2
1
2
4
10
20
40
2
1
4
10
20
40
6
60
120
1
6
MULTIPLE OF RATED CURRENT
TRIPPING TIME
MINUTES
SECONDS
1.5
1.45
1.13
0.01
0.02
0.04
0.1
0.2
0.4
0.06
0.6
Characteristic B
t
a
≤
0.4s t
a
≤
5s
I
n
(A)
Ω
Ω
6 7.22 7.22
10 4.37 4.37
16 2.76 2.76
20 2.19 2.19
32 1.33 1.33
40 1.05 1.05
50 0.86 0.86
63 0.67 0.67
Tripping characteristic C
Particularly advantageous in lamp and motor circuits with
higher starting currents.
Characteristic C
t
a
≤
0.4s t
a
≤
5s
I
n
(A)
Ω
Ω
6 3.61 7.22
10 2.19 4.37
16 1.33 2.66
20 1.05 2.09
32 0.67 1.33
40 0.57 1.14
50 0.48 0.95
63 0.38 0.76
Tripping characteristic D
For electrical circuits with strong pulse-generating equipment,
such as transformers or solenoid valves.
Characteristic D
t
a
≤
0.4s t
a
≤
5s
I
n
(A)
Ω
Ω
6 2.38 7.22
10 1.05 4.37
16 0.67 2.66
20 0.48 2.09
32 0.29 1.33
40 0.27 1.14
50 0.22 0.95
63 0.19 0.76