Nanjing Token Electronics Science&Technology Co., Ltd.
Nanjing Token Electronics Science&Technology Co., Ltd.
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Dc Current Transformer Hall Effect Current Transducer For Welding Machine
The TBC-U series current sensor is a closed loop device based on the measuring 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=25℃±5℃) |
| Type Parameter | TBC100U | TBC200U | TBC300U | TBC400U | Unit |
Rated input (Ipn) | 100 | 200 | 300 | 400 | A |
Measure range(Ip) | 300(±18V,22Ω) | 600(±18V,20Ω) | 750(±18V,15Ω) | 900(±18V,3.0Ω) | A |
| Turns ratio(Np/Ns) | 1:1000 | 1:2000 | 1:2000 | 1:3000 | T |
Rated output(Isn) | 100±0.5% | 100±0.5% | 150±0.5% | 133.3±0.5% | mA |
| Coil resister | 30 | 35 | 30 | 53 | Ω |
Supply voltage | ±12～±18 | V | |||
| Power consumption | ≤20+IpX(Np/Ns) | mA | |||
Zero current | @Ip=0 ≤±0.2 | mA | |||
| Offset drift | @ -40℃～85℃ ≤±0.5 | mA | |||
Response time | @100A/μS,10%- 90% ＜1.0 | μS | |||
Linearity | @Ip=0-±Ipn ≤0.1 | %FS | |||
Galvanic isolation | @ 50HZ,AC,1min 6 | KV | |||
| di/dt accurately followed | ＞100 | A/μs | |||
Bandwidth | @ -3dB DC…100 | KHZ | |||
| Applications |
Variable speed drives
Welding machine
Battery supplied applications
Uninterruptible Power Supplies (UPS)
Electrochemical
| Mechanical dimension(for reference only) |
Remarks:
1. All dimensions are in mm.
2. General tolerance ±1mm.
| Directions for use |
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)
Custom design in the different input current and the output current are available.
| Standards |
| General date |
| Value | Unit | Symbol | |
| Operating temperature | -40 to +85 | ºC | TA |
| Storage temperature | -40 to +125 | ºC | TS |
| Mass(approx) | 125 | g | M |
| Characteristics chart |
Pulse current signal response characteristic Effects of impulse noise