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bethy@heyiele.com

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 B7

 

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.

Electrical data (Ta=25℃±5)

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

Applications

 

·AC variable speed drives

·Static converters for DC motor drives

·Battery supplied applications

· Uninterruptible Power Supplies (UPS)

·Switched Mode Power Supplies (SMPS)

·Power supplies for welding applications

Mechanical dimension(for reference only)

 

Remarks

1. All dimensions are in mm.

2. General tolerance ±1mm

Directions for use 

1. When the current will be measured goes through a sensor, the voltage will be measured at the output end. (Note: The false wiring may result in the damage of the sensor)

2. Custom design in the different rated input current and the output voltage are available.

Standards

 

·UL94-V0.

·EN60947-1:2004

·IEC60950-1:2001

·EN50178:1998

·SJ 20790-2000

General date

 

Value

Unit

Operating temperature (TA)

-40 to +85

Storage temperature(TS)

-40 to +125

Mass(approx) (M)

15

g

Characteristics chart

 

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