This product is a TMR current sensor of Ningbo Taifengyuan Electric TFY-CSB-Z60 series, specially designed for three-phase direct access metering of AC energy meters. It has a primary rated current of 5A and a maximum current of 60A, with an accuracy of ±0.2% at Ta=25℃, a bandwidth exceeding 100kHz (-3dB) and a response time as fast as 1μs. It can operate stably in an environment ranging from -40℃ to 85℃. Featuring compact size and strong anti-interference capability, it serves as an ideal solution for built-in metering of smart electric meters.
Symbol | Name | Parameter |
pn | Primary Rated Current | 5A |
Imax | Maximum Current | 60A |
IM | Secondary Rated Current | 2mA |
KN | Transformation Ratio | 1:2500 |
X | Accuracy (Ta=25°C) | ±0.2% |
L | Linearity | <0.1% |
di/dt | Follow Accuracy | >100A/μs |
Ioff | Offset Current | ±0.3mA |
BW | Bandwidth | >100kHz (-3dB) |
tr | Response Time | 1μs |
Vc | Supply Voltage | ±3.3V (±5%) |
Ic | Current Consumption | 2.0mADC+I/KN |
ta | Operating Temperature | -40°C ~ 85°C |
ts | Storage Temperature | -55°C ~ 100°C |
