Hall Effect DC Earth Leakage Cheap Ground Fault Current Sensor

B3 series current sensor is a closed loop device based on the principle of the hall effect, with a galvanic isolation between primary and secondary circuit. It provides accurate electronic measurement of DC, AC or pulsed currents.
 

Electrical data (Ta=25ºC±5ºC )

 

Type	B3-50A	B3-100A	B3-200A	B3-300A	Unit
Rated current(Ipn)	±50	±100	±200	±300	A
Measure range(Ip)	0- ±75	0- ±150	0- ±300	0-±400	A
Turns ratio(Np/Ns)	1:1000	1:2000	1:2000	1:3000	T
Measure resister with±15V	@ ±50Amax 0(min)500(max)	@ ±100Amax 0(min)245(max)	@ ±200Amax 0(min)75(max)	@ ±300Amax 0(min)52(max)	Ω
	@ ±75Amax 0(min)245(max)	@ ±150Amax 0(min)118(max)	@ ±300Amax 0(min)33(max)	@ ±400Amax 0(min)20(max)	Ω
Coil resister	10	42	42	75	Ω
Rated output	50	50	100	100	mA
Supply voltage	±12, ±15, ±18				V
Power Consumption	≤20+IpX(Np/Ns)				mA
Offset current	@Ip=0 ±0.15				mA
Offset drift	@ -40~+85ºC ≤±0.4				mA
Linearity	@Ip=0-±Ipn ≤0.1				%FS
Response time	@50A/μS, 10%-90% ≤1				μS
Galvanic isolation	@ 50HZ,AC,1min 3				KV
di/dt	>100				A/us
Bandwidth	@ -1dB 0~150				KHZ

 

Applications

·Variable speed drives
·Welding machine
·Battery supplied applications
·Uninterruptible Power Supplies (UPS)
·Electrochemical

Remarks:
1. All dimensions are in mm.
2. General tolerance ±1mm.
3. Elucidation: 1:+15V 2:-15V 3:I0UT 4:NC
 


 

Directions for use

1. When the current will be measured goes through a sensor, the current 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 current 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	ºC
Storage temperature(TS)	-40 to +125	ºC
Mass(approx) (M)	40	g