-
CBA
C
BA
Current Limiting Curves for AC 415V(BKN MCB)
Current Limiting Curves for AC 415V(BKN MCB)
Peak Current Curve Thermal Stress Curve
I
p
(
k
A
)
A
2
S
9
7
6
5
4
3
2
2 3 4 5 6 7 9
105
8
6
4
3
2
A B C 63A 40A 10A
2 3 4 5 6 7 9
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 240V(BKN MCB)
Current Limiting Curves for AC 240V(BKN MCB)
A B C 63A 40A 10A
C
BA
C
B
A
Peak Current Curve Thermal Stress Curve
I
p
(
k
A
)
A
2
S
9
7
6
5
4
3
2
2 3 4 5 6 7 9
7
5
4
3
2
104
8
6
2 3 4 5 6
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 415V(AB-Type MCCB)
Current Limiting Curves for AC 415V(AB-Type MCCB)
ABE103b , ABH33b , ABS53b , ABS63b
ABS33b, ABE53b, ABE63b
A
B
Peak Current Curve
BA
I
p
(
k
A
)
A
2
S
20
10
8
6
4
3
2
4 5 6 7 8 9 10 20
Thermal Stress Curve
B
A
98
7
5
4
3
2
105
8
7
3 4 5 6 7 8 9 10 20 30 40
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 240V(AB-Type MCCB)
Current Limiting Curves for AC 240V(AB-Type MCCB)
ABE103b , ABH33b , ABS53b , ABS63b
ABS33b, ABE53b, ABE63b
A
B
Peak Current Curve
B
A
I
p
(
k
A
)
A
2
S
20
10
8
6
4
3
2
4 5 6 7 8 9 10 20
Thermal Stress Curve
B
A
98
7
5
4
3
2
105
8
7
3 4 5 6 7 8 9 10 20 30 40
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 415V(AB-Type MCCB)
Current Limiting Curves for AC 415V(AB-Type MCCB)
ABE203b, ABS203b, ABH203b
ABH53b, ABS103b, ABH103b
A
B
Peak Current Curve Thermal Stress Curve
B
A B
A
I
p
(
k
A
)
A
2
S
90
70
50
40
30
20
10
8
7
6
6 7 8 10 20 30 40 60 80
9
7
5
4
3
2
106
8
6
5
4
3
6 8 10 20 30 40 60 80 100
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 240V(AB-Type MCCB)
Current Limiting Curves for AC 240V(AB-Type MCCB)
ABE203b, ABS203b, ABH203b
ABH53b, ABS103b, ABH103b
A
B
Peak Current Curve Thermal Stress Curve
B
A
B
A
I
p
(
k
A
)
A
2
S
90
70
50
40
30
20
10
8
7
6
6 7 8 10 20 30 40 60 80
9
7
5
4
3
2
106
8
6
5
4
3
6 8 10 20 30 40 60 80 100
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 415V(AB-Type MCCB)
Current Limiting Curves for AC 415V(AB-Type MCCB)
ABH203a, ABL203a
ABL53a, ABL103a
A
B
Peak Current Curve Thermal Stress Curve
A
BB
A
I
p
(
k
A
)
A
2
S
90
70
50
40
30
20
10
8
6
6 7 8 10 20 30 40 60 80 100
9
7
5
4
3
2
106
8
6
4
3
2
6 8 10 20 30 40 60 80 100
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 240V(AB-Type MCCB)
Current Limiting Curves for AC 240V(AB-Type MCCB)
ABH203a, ABL203a
ABL53a, ABL103a
A
B
Peak Current Curve Thermal Stress Curve
A
B
B
A
I
p
(
k
A
)
A
2
S
90
70
50
40
30
20
10
8
6
6 7 8 10 20 30 40 60 80 100
9
7
5
4
3
2
106
8
6
4
3
2
6 8 10 20 30 40 60 80 100
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 415V(AB-Type MCCB)
Current Limiting Curves for AC 415V(AB-Type MCCB)
ABE803b, ABS803b, , ABL803b
ABE403b, ABS403b, ABH403b, ABL403b
A
B
Peak Current Curve Thermal Stress Curve
B
A B
A
I
p
(
k
A
)
A
2
S
100
80
60
40
30
20
10
8
6
6 7 8 10 20 30 40 60 80 100
107
8
6
4
3
2
106
8
6
6 8 10 20 30 40 60 80 100
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 240V(AB-Type MCCB)
Current Limiting Curves for AC 240V(AB-Type MCCB)
ABE803b, ABS803b, , ABL803b
ABE403b, ABS403b, ABH403b, ABL403b
A
B
Peak Current Curve Thermal Stress Curve
A
B B
A
I
p
(
k
A
)
A
2
S
100
80
60
40
30
20
10
8
6
6 7 8 10 20 30 40 60 80 100 6 8 10 20 30 40 60 80 100
107
8
6
4
3
2
106
8
6
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 415V(GB-Type MCCB)
Current Limiting Curves for AC 415V(GB-Type MCCB)
GBL103, GBN203, GBH203, GBL203
GBN103, GBH103
A
BPeak Current Curve Thermal Stress Curve
B
AB
A
I
p
(
k
A
)
A
2
S
6 7 8 10 20 30 40 60 80 100
7
5
3
2
106
6
4
3
2
105
6
4
6 8 10 20 30 40 60 80 100
90
70
50
30
20
10
8
6
4
3
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 240V(GB-Type MCCB)
Current Limiting Curves for AC 240V(GB-Type MCCB)
GBL103, GBN203, GBH203, GBL203
GBN103, GBH103
A
B
Peak Current Curve Thermal Stress Curve
BA
B
A
A
2
S
6 7 8 10 20 30 40 60 80 100
7
5
3
2
106
6
4
3
2
105
6
4
6 8 10 20 30 40 60 80 100
90
70
50
30
20
10
8
6
4
3
I
p
(
k
A
)
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 415V(Electronic MCCB)
Current Limiting Curves for AC 415V(Electronic MCCB)
C
B
A
C
B
A
A
2
S
20 30 40 50 80
107
8
6
5
4
3
2
106
10 20 30 40 60 80
90
70
60
50
40
30
20
GBN803E GBN403E GBL203E, GBL103E, GBL53EB CA
Peak Current Curve Thermal Stress Curve
I
p
(
k
A
)
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
-
Current Limiting Curves for AC 240V(Electronic MCCB)
Current Limiting Curves for AC 240V(Electronic MCCB)
GBN803E GBN403E GBL203E, GBL103E, GBL53EA B C
C
B
A
20 30 40 60 80 100
90
70
60
50
40
30
20
Peak Current Curve Thermal Stress Curve
C
B
A
A
2
S
8
6
4
3
2
106
7
5
3
20 30 40 60 80 100
I
p
(
k
A
)
Prospective Fault Level (kA rms) Prospective Fault Level (kA
rms)
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