Air Circuit Breaker

TYPE

SB-66M

SB-68M

SB-610M

SB-612M

SB-616M

SB-620M

SB-625M

SB-632M

FRAME SIZE (AF)

630AF

800AF

1000AF

1250AF

1600AF

2000AF

2500AF

3200AF

RATED INSULATION VOLTAGE (V)

1000V

RATED VOLTAGE (V)

600V

NUMBER OF POLES

3P

4P

3P

4P

3P

4P

3P

4P

3P

4P

3P

4P

3P

4P

3P

4P

WEIGHT (Kg)

FIXED TYPE

49

54

49

54

49

54

53

59

53

59

59

65

59

65

63

73

DRAWOUT TYPE

72

82

72

82

72

82

80

92

80

92

90

100

90

100

103

114

RATED CURRENT OF
OVER CURRENT TRIP
DEVICE (A)

600
570
540
510
480
420
360
300

800
760
720
680
640
560
480
400

1000
950
900
850
800
700
600
500

1200
1140
1080
1020
960
840
720
600

1600
1520
1440
1360
1280
1120
960
800

2000
1900
1800
1700
1600
1400
1200
1000

2500
2375
2250
2125
2000
1750
1500
1250

3200
3040
2880
2750
2560
2240
1920
1600

BREAKING
CAPACITY
(kA,RMS) /
 MAKING
CAPACITY
(kA,PEAK)
IEC P-2
(O-CO-CO)

IES
BS
VDE

AC 660V

42/88.2

42/88.2

42/88.2

42/88.2

42/88.2

50/105

50/105

50/105

AC 660V

50/105

50/105

50/105

50/105

50/105

65/143

65/143

65/143

LESS THAN AC 500V

65/143

65/143

65/143

65/143

65/143

80/176

80/176

80/176

NEMA
ANSI

AC 600V

50/115

50/115

50/115

50/115

50/115

65/149.5

65/149.5

65/149.5

LESS THAN AC 480AC

65/149.5

65/149.5

65/149.5

65/149.5

65/149.5

85/187

85/187

85/187

RATED SHORT-TIME CURRENT
RMS-1SEC (kA)

50 (kA)

65 (kA)

TOTAL BREAKING-TIME (s)

0.03 (s)

CLOSING-TIME (s)

0.05 (s)

CLOSING-CURRENT (A)

0.5 (A)

TRIP CURRENT (A)

0.5(A)

LIFE

WITH CURRENT

5.000

5.000

5.000

5.000

5.000

1.500

1.500

1.500

WITH CURRENT

10.000

10.000

10.000

10.000

10.000

10.000

10.000

10.000