Siemens TIASTAR Manuale di istruzioni - Pagina 42

Sfoglia online o scarica il pdf Manuale di istruzioni per Apparecchiature industriali Siemens TIASTAR. Siemens TIASTAR 44. Motor control center

Stampa la pagina
Siemens TIASTAR Manuale di istruzioni
Size
00, 0,
1 13/4
1.52-1.65
1.52-1.65
1.66-1.79
1.66-1.79
1.80-1.94
1.80-1.94
1.95-2.15
1.95-2.15
2.16-2.37
2.16-2.37
2.38-2.56
2.38-2.56
2.57-2.87
2.57-2.87
2.88-3.13
2.88-3.13
3.14-3.37
3.14-3.37
3.38-3.72
3.38-3.72
3.73-4.00
3.73-4.00
4.01-4.35
4.01-4.35
4.36-4.99
4.36-4.99
5.00-5.38
5.00-5.38
5.39-5.79
5.39-5.79
5.80-6.43
5.80-6.43
6.44-6.83
6.44-6.83
6.84-7.83
6.84-7.83
7.84-8.23
7.84-8.23
8.24-9.59
8.24-9.59
9.60-9.90
9.60-9.90
10.0-10.7
10.0-10.7
10.8-11.6
10.8-11.6
11.7-12.3
11.7-12.3
12.4-13.4
12.4-13.4
13.5-14.2
13.5-14.2
14.3-15.1
14.3-15.1
15.2-17.5
15.2-17.5
17.6-18.7
17.6-18.7
18.8-20.0
18.8-20.0
20.1-21.5
20.1-21.5
21.6-23.9
21.6-23.9
24.0-25.8
24.0-25.8
25.9-29.5
29.6-32.7
32.8-36.0
Heaters shown in the table provide a maxi-
mum trip rating of 125% of the motor
nameplate amperes, which is suitable for
40°C motors. For all other motors select
heaters one code number lower than speci-
fied in the table, which give a maximum trip
rating of approximately 115%.
The tripping current of any heater in a 40°C
ambient is 25% greater than the lower value
of motor amperes shown in the table.
Starters do not provide protection from
short circuits. A protective device should be
provided in accordance with the NEC (CEC in
Canada) and not exceed the values shown in
the table.
Note: If the rating specified is not a standard
size for the circuit breaker manufacturer, use
the next largest size.
42
K "Standard Trip" Heater Elements for Ambient Temp. Comp. Bimetal Relays
2, 2 1/2
3, 3 1/2
10.0-10.9
11.0-12.0
12.1-12.7
12.8-13.5
13.6-14.6
14.7-15.9
14.3-15.6
16.0-16.9
15.7-17.1
17.0-18.2
17.2-18.9
18.3-19.5
19.0-20.7
19.6-20.9
20.8-22.8
21.0-23.1
22.9-25.6
23.2-25.4
25.7-27.6
25.5-27.9
27.7-30.3
30.4-33.3
28.0-30.5
33.4-36.7
30.6-33.5
36.8-40.0
33.6-37.2
40.1-42.4
37.3-40.7
42.5-46.3
40.8-43.0
46.4-49.6
43.1-47.9
49.7-52.3
48.0-52.7
52.4-57.5
52.8-58.3
57.6-63.9
58.4-60.0
64.0-67.9
68.0-74.3
74.4-77.9
78.0-83.1
83.2-91.4
91.5-99.9
100.0-108
Wye-delta starters: If the motor nameplate
shows the full load delta line current only,
divide this value by 1.73 or multiply by .58 to
select the proper heater rating.
*Ratings specified are for instantaneous
trip circuit breakers.
Maximum current rating for thermalmagnetic
circuit breakers is 250% of maximum heater
FLA.
Maximum current rating of fuses is:
a. 150% of maximum heater FLA for
Class R, K, or L (time delay).
b. 250% of maximum heater FLA for
Class K or L (non-time delay).
c. 300% of maximum heater FLA for
Class J (non-time delay).
If the calculated rating is between standard
sizes, the next larger size may be used. Fuse
size may not exceed switch size.
4 (JB)
4 (JG)
4 1/2, 5
98-106
107-115
116-124
125-136
137-149
150-160
161-171
172-192
193-206
207-228
229-248
18.9-20.4
20.5-22.1
22.2-24.3
24.4-26.7
26.8-29.3
29.4-32.3
32.4-35.5
35.6-39.0
39.1-42.9
43.0-46.5
46.6-50.9
51.0-55.9
56.0-59.1
49.7-52.3
59.2-68.7
52.4-57.5
57.6-63.0
68.8-80.7
63.1-68.1
68.2-74.3
80.8-92.7
74.4-79.9
92.8-103.9
80.0-87.4
104.0-113.5
87.5-90.0
90.1-100.0
113.6-127.9 100.1-108.0
108.1-119.0
128.0-143.9 119.1-130.0
144.0-163.9
164.0-180.0
6
196-213
214-231
232-249
250-273
274-299
300-321
322-343
344-385
386-413
414-457
458-514
515-563
Hazardous Voltage.
Can cause death or serious
personal injury.
Automatic reset will continue to
reset on two-wire control. When
not desired, use three-wire con-
trol. Do not use manual trip but-
ton when relay is set in automat-
ic reset position.
Siemens Energy & Automation, Inc.
Heater
Code
K21
K22
K23
K24
K26
K27
K28
K29
K31
K32
K33
K34
K36
K37
K39
K41
K42
K43
K49
K50
K52
K53
K54
K55
K56
K57
K58
K60
K61
K62
K63
K64
K67
K68
K69
K70
K72
K73
K74
K75
K76
K77
K78
K83
K85
K86
K87
K88
K89
K90
K92
K94
K96