Topstek Current Transducers TD25A .. TD400A

- 22 -

www.topstek.com

TD

V080201

7/1/2008

TD 25A~400A

Features

iHighly reliable Hall Effect device

iCompact and light weight

iFast response time

iExcellent linearity of the output voltage over a wide input range

iExcellent frequency response (> 50 kHz)

iLow power consumption (12 mA nominal)

iCapable of measuring both DC and AC, both pulsed and mixed

iHigh isolation voltage between the measuring circuit and the

current-carrying conductor (AC2.5KV)

iExtended operating temperature range

iFlame-Retardant plastic case and silicone encapsulate, using UL

classified materials, ensures protection against environmental

contaminants and vibration over a wide temperature and

humidity range

Applications

iUPS systems

iIndustrial robots

iNC tooling machines

iElevator controllers

iProcess control devices

iAC and DC servo systems

iMotor speed controller

iElectrical vehicle controllers

iInverter-controlled welding machines

iGeneral and special purpose inverters

iPower supply for laser processing machines

iController for traction equipment e.g. electric trains

iOther automatic control systems

Specifications

Parameter

Symbol Unit

TD

25A

TD

50A

TD

75A

TD

100A

TD

125A

TD

150A

TD

175A

TD

200A

TD

250A

TD

300A

TD

350A

TD

400A

Nominal Input Current

A DC

25

50

75

100

125

150

175

200

250

300

350

400

Linear Range

A DC

±75 ±150 ±225 ±300 ±375 ±450 ±525 ±525 ±550 ±550 ±550 ±600

Nominal Output Voltage

V

Offset Voltage

mV

Output Resistance

<100(50 nominal)

Hysteresis Error

mV

0

Supply Voltage

V

±15V ±5%

Linearity

%

Consumption Current

mA

±12 mA nominal, ±15 mA max

Psec

7

Frequency bandwidth (-3dB)

Hz

DC to 50kHz

Thermal Drift of Output

-

%/°C

Thermal Drift of

Zero Current Offset

-

mV/°C

Within

Dielectric Strength

-

V

AC2.5KV X 60 sec

Isolation Resistance

@ 1000 VDC

M

>1000 M

Operating Temperature

°C

-15°C to 80°C

Storage Temperature

°C

-20°C to 85°C

Mass

W

g

28 g