B7 series current sensor is a closed loop device based on the measuring principle of the hall effect and null balance method, with a galvanic isolation between primary and secondary circuit. It provides accurate electronic measurement of DC, AC or pulsed currents.
Type | B7-05A | B7-10A | B7-15A | B7-20A | B7-25A | B7-30A | Unit |
Rated current(Ipn) | 5 | 10 | 15 | 20 | 25 | 30 | A |
Measure range(Ip) | 10 | 20 | 30 | 40 | 50 | 60 | A |
Turns ratio(Np/Ns) | 5:2500 | 3:3000 | 2:3000 | 1:2000 | 1:2500 | 1:3000 | T |
Internal resister | 400 | 400 | 400 | 400 | 400 | 400 | Ω |
Size of input pins | ¢0.6 | ¢0.8 | ¢1.0 | ¢1.4 | ¢1.4 | ¢1.6 | mm |
Rated output | @Ip=±Ipn ±4±0.5% | V | |||||
Supply voltage | ±12V,±15V | V | |||||
Power Consumption | ≤25 | mA | |||||
Zero offset voltage | @Ip=0 ≤±30 | mV | |||||
Offset voltage drift | @ -40~+85℃ ≤±0.5 | mV /℃ | |||||
Linearity | @Ip=0-±Ipn ≤0.1 | %FS | |||||
Response time | @50A/μ S,10%-90% ≤1 | μS | |||||
Galvanic isolation | @ 50HZ,AC,1min 2.5 | KV |
Dimensions
Mechanical dimension(for reference only) | Pin Arrangement | ||
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1 | +15V | |
2 | -15V | ||
3 | OUTPUT | ||
4 | 0V | ||
5 | Primary In | ||
6 | Primary Out | ||
Type | a*(mm) | d*(mm) | |
5 | 1.3 | ø0.6 | |
10 | 1.4 | ø0.8 | |
15 | 1.6 | ø1.0 | |
20 | 1.6 | ø1.4 | |
25 | 1.6 | ø1.4 | |
30 | 1.7 | ø1.6 | |
50 | 1.7 | ø2.4*1.6 |
General date | Value | Unit |
Operating temperature(TA) | -40 to +85 | ℃ |
Storage temperature(TS) | -40 to +125 | ℃ |
Mass(approx) (M) | 15 | g |
Accuracy test
Pulse current signal response characteristic | Effects of impulse noise | ||
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( Input signal ) ( Output signal ) |
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( Output voltage ) |
Standards
UL94-V0.
EN60947-1:2004
IEC60950-1:2001
EN50178:1998
SJ 20790-2000
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