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| Rating |
: |
| * |
Low Tension Motor Starting Auto Transformer - 3 Phase 200v to 380v/440v
Capacity 3.75kw up to 1000kw. |
| * |
High Tension Motor Starting Auto Transformer - 3 Phase 3.3kv to 11kv
Capacity 200kw up to 2000kw. |
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| Tapping |
: |
Single Tapping - 70% - capacity from 3.75kw to 15kw
Three Tappings - 50%, 60%, 75% - capacity from 11kw to 45kw
Three Tappings - 50%, 65%, 80% - capacity from 56kw to 2000kw |
| Duty Ratings |
: |
Maximum restart frequency 8 times per hour with even intervals. |
| Starting Duration |
: |
Within 5 seconds to maximum of 15 seconds depend on application. |
| Insulation Class |
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1 PEW - 155oC polyester enamelled/libre glass covered.
Copper or aluminium wire. |
| Protection |
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Normally closed contact thermostat embeded in the coil to sence over temperature thus tripping the starter control circuit. |
| Cooling |
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Natural air cool. |
| Termination |
: |
| * |
High quality fire retardant grade terminal blocks. |
| * |
Chromed steel bolt & nuts. |
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| Optional |
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Thermal protection thermostat with normally open contact available upon request. |
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| Special Application |
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AUTO TRANSFORMERS FOR HEAVY DUTY STARTING
| * |
Industrial blowers / fan / flywheel, etc. which draws very high starting current. |
| * |
Application which requires starting duration exceeding 15 seconds. |
| * |
Duty rating which exceeds 8 starts / hour. |
| * |
Please refer with the manufacturer for special design. |
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TECHNICAL DATA |
| KW |
HP |
THERMOSTAT |
TAPPINGS |
TAPPING PERCENTAGE |
WEIGHT (KG) |
| 3.75 |
5 |
0/1 |
SINGLE |
70% |
6 |
| 5.5 |
7.5 |
0/1 |
SINGLE |
70% |
7 |
| 7.5 |
10 |
0/1 |
SINGLE |
70% |
7.8 |
| 11 |
15 |
0/1 |
SINGLE |
70% |
12 |
| 11 |
15 |
1 |
THREE |
50, 60, 75% |
13 |
| 15 |
20 |
0/1 |
SINGLE |
70% |
13.5 |
| 15 |
20 |
1 |
THREE |
50, 60, 75% |
14 |
| 22 |
30 |
1 |
THREE |
50, 60, 75% |
18 |
| 30 |
40 |
1 |
THREE |
50, 60, 75% |
19 |
| 37.5 |
50 |
1 |
THREE |
50, 60, 75% |
22 |
| 45 |
60 |
1 |
THREE |
50, 60, 75% |
25 |
| 56 |
75 |
1 |
THREE |
50, 65, 80% |
32 |
| 75 |
100 |
1 |
THREE |
50, 65, 80% |
48 |
| 94 |
125 |
1 |
THREE |
50, 65, 80% |
55 |
| 112 |
150 |
1 |
THREE |
50, 65, 80% |
62 |
| 135 |
180 |
1 |
THREE |
50, 65, 80% |
73 |
| 150 |
200 |
1 |
THREE |
50, 65, 80% |
90 |
| 186 |
250 |
1 |
THREE |
50, 65, 80% |
94 |
| 224 |
300 |
3 |
THREE |
50, 65, 80% |
120 |
| 261 |
350 |
3 |
THREE |
50, 65, 80% |
145 |
| 299 |
400 |
3 |
THREE |
50, 65, 80% |
155 |
| 336 |
450 |
3 |
THREE |
50, 65, 80% |
165 |
| 373 |
500 |
3 |
THREE |
50, 65, 80% |
185 |
| 448 |
600 |
3 |
THREE |
50, 65, 80% |
250 |
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*Specification and design are subject to change without prior notice. |
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