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A74-10

Carlo Gavazzi Group
Part Number A74-10
Manufacturer Carlo Gavazzi Group
Description (A74-10 . A74-11) Current and Voltage Controls Current Transformer
Published Nov 22, 2008
Detailed Description Current and Voltage Controls Current Transformer, 3-Phase Types A 74-10, A 74-11 • 3-phase current metering transformers...
Datasheet PDF File A74-10 PDF File

A74-10
A74-10

Overview
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 5 AAC A 74-10 20: 2 - 20 AAC A 74-11 100: 10 - 100 AAC A 74-11 500: 50 - 500 AAC www.
DataSheet4U.
com Product Description 3-phase current transformer measures on all three phases.
Output voltage proportional to measured amplitude of the rms-value of the normal phase current.
Ordering Key Type Input current A 74-10 5 Type Selection Input current 5 AAC 20 AAC 100 AAC 500 AAC Type no.
A 74-10 5 A 74-10 20 A 74-11 100 A 74-11 500 Input Specifications A 74-10 5 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 1000 VACrms IV (IEC 60664) 6 kVACrms 12 kV (1.
2/50 µs) < 0.
1 W@5 A A 74-10 20 2 - 20 AAC 50 AAC 85 AAC 1000 VACrms IV (IEC 60664) 6 kVACrms 12 kV (1.
2/50 µs) < 0.
25 W@20 A A 74-11 100 10 - 100 AAC 250 AAC 325 AAC 1000 VACrms IV (IEC 60664) 6 kVACrms 12 kV (1.
2/50 µs) < 1.
5 W@100 A A 74-11 500 50 - 500 AAC 750 AAC 1000 AAC 1000 VACrms IV (IEC 60664) 6 kVACrms 12 kV (1.
2/50 µs) < 21 W@1500 A Output Specifications A 74-10 5 Output voltage (TA = 20°C = 68°F), RL = 9.
5 kΩ) Output impedance Tolerance of output voltage @ rated input current Temperature variation Rated insulation voltage (cable) A 74-10 20 A 74-11 100 A 74-11 500 0.
4 - 4 Vp < 700 Ω ± 5% ± 0.
1% per °C 250 VACrms 0.
4 - 4 Vp < 200 Ω ± 5% ± 0.
1% per °C 250 VACrms 0.
4 - 4 Vp < 40 Ω ± 5% ± 0.
1% per °C 250 VACrms 0.
4 - 4 Vp < 10 Ω ± 5% ± 0.
1% per °C 250 VACrms Specifications are subject to change without notice (19.
07.
06) 1 A 74-10, A 74-11 General Specifications Pollution degree Ambient temperature Housing A74-10 Dimensions A74-11 Material Weight A 74-10 A 74-11 Connection cable www.
DataSheet4U.
com Approval CE Markin...


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