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參數(shù)資料
| 型號： | A74-11 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Current and Voltage Controls Current Transformer, 3-Phase |
| 中文描述： | 電流和電壓控制電流互感器，3相 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 76K |
| 代理商： | A74-11 |
Specifications are subject to change without notice (19.07.06)
1
Current and Voltage Controls
Current Transformer, 3-Phase
Types A 74-10, A 74-11
3-phase current metering transformers
for use with current control relays
Measuring ranges:
A 74-10 5:
0.5 -
A 74-10 20: 2
- 20 AAC
A 74-11 100: 10
- 100 AAC
A 74-11 500: 50
- 500 AAC
5 AAC
Product Description
3-phase current transformer
measures on all three phases.
Output voltage proportional
Ordering Key
Type
Input current
to measured amplitude of the
rms-value of the normal
phase current.
Type Selection
Input current
Type no.
5 AAC
20 AAC
100 AAC
500 AAC
A 74-10
A 74-10 20
A 74-11 100
A 74-11 500
5
Input Specifications
A 74-10 5
A 74-10 20
A 74-11 100
A 74-11 500
Output voltage
(T
A
= 20°C = 68°F), R
L
= 9.5 k
)
Output impedance
Tolerance of output voltage
@ rated input current
Temperature variation
Rated insulation voltage
(cable)
0.4 - 4 V
p
< 700
0.4 - 4 V
p
< 200
0.4 - 4 V
p
< 40
0.4 - 4 V
p
< 10
± 5%
± 5%
± 5%
± 5%
± 0.1% per °C
250 VAC
rms
± 0.1% per °C
250 VAC
rms
± 0.1% per °C
250 VAC
rms
± 0.1% per °C
250 VAC
rms
Output Specifications
A 74-10 5
A 74-10 20
A 74-11 100
A 74-11 500
Current range
Max. current
(continuously)
Max. overload current
(t = 30 s)
Rated insulation voltage
Input-output
Overvoltage category
Dielectric strength
Dielectric voltage
Rated impulse withstand volt.
Power consumption
0.5 - 5 AAC
20 AAC
40 AAC
2 - 20 AAC
50 AAC
85 AAC
10 - 100 AAC
250 AAC
325 AAC
50 - 500 AAC
750 AAC
1000 AAC
1000 VAC
rms
IV (IEC 60664)
1000 VAC
rms
IV (IEC 60664)
1000 VAC
rms
IV (IEC 60664)
1000 VAC
rms
IV (IEC 60664)
6 kVAC
rms
12 kV (1.2/50 μs)
< 0.1 W@5 A
6 kVAC
rms
12 kV (1.2/50 μs)
< 0.25 W@20 A
6 kVAC
rms
12 kV (1.2/50 μs)
< 1.5 W@100 A
6 kVAC
rms
12 kV(1.2/50 μs)
< 21 W@1500 A
A 74-10 5
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