Siemens 3AH Manuale di istruzioni - Pagina 37
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Appendix
Table A-2
T ype 3AH Circuit Breaker Ratings
Control V oltages, ANSI C37.06
Nominal
Range
Close
24VDC
19-28
48VDC
36-56
1 25 VDC
100-140
250VDC
220-280
1 2 0 VAC
104-127
240 VAC
208-254
1. Current at nominal voltage.
2. Capacitor trip.
Table A-3
Interrupting Capacity of Circuit Breaker Auxiliary Switch Contacts
T ype of Circuitto
Interrupt
Non-Inductive
Inductive
1. 2 Contacts in series.
Table A-4
Circuit Breaker Weights
Circuit BreakerT ype
Interrupting Capability
Maximum Voltage
kV rms sym.
4.76
4.76
4.76
8.25
1 5.0
1 5.0
1 5.0
1 5.0
1 5.0
38.0
1. For sh1ppmg, add 1 00 lbs (45 kg).
Close Coil
Trip
AmpereS "'
1 4-28
4.2
2.1
28-56
70-140
1.0
1 40-280
0.5
104-127
0.9
208-254
0.4
Continuous Current
120VAC
Amperes
20
1 0
20
1 0
kA
rms sym. (MVA)
31.5 (250)
40 (350)
50
40 (500)
20 (500)
25
31.5 (750)
40 ( 1 000)
50
31.5 ( 1 500)
Trip Coil
Amperes
Amperes •"
Run (Avg.)"'
36
-
1 3
8
4
5.4
2.3
2
6
-121
3
-1>1
Control Circuit V oltage
240 VAC
24VDC
Interrupting Capacity in Amperes
2 ()"
5
2 () "
5
Weights, approx. Lbs (approx. kg)"'
Continuous Current, Amperes
1200 A
2000 A
242 ( 1 1 0)
264 ( 1 20)
246 ( 11 2)
268 ( 1 22)
363 ( 1 65)
330 ( 1 50)
246 ( 11 2)
268 ( 1 22)
257 ( 1 1 7)
1 65 (75)
257 ( 1 1 7 )
1 65 (75)
242 ( 110)
264 ( 1 20)
246 ( 1 1 2)
268 ( 1 22)
330 ( 1 50)
363 ( 1 65)
363 ( 1 65)
385 ( 1 75)
Spring Charging Motor
Charging
Seconds
-
10
1 0
1 0
1 0
1 0
48VDC
125VDC
250VDC
5
20"'
20"'
5
3000 A
- -
286 ( 1 30)
396 ( 1 80)
286 ( 1 30)
- -
- -
- -
286 ( 1 30)
396 ( 1 80)
- -
3
3
37