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CT1-T

LEM
Part Number CT1-T
Manufacturer LEM
Description Current Transducer
Published May 31, 2007
Detailed Description Current Transducer CT 1-T For very accurate measurements of currents : DC, AC, pulsed..., with a galvanic isolation betw...
Datasheet PDF File CT1-T PDF File

CT1-T
CT1-T


Overview
Current Transducer CT 1-T For very accurate measurements of currents : DC, AC, pulsed.
.
.
, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit).
IPN = 1 A Electrical data IP N IP VOUT KN RL CL tC VC IC Vd Primary nominal r.
m.
s.
current Primary current, measuring range Analog output voltage Conversion ratio Load resistance Capacitance loading Output short-circuit duration 1) Supply voltage (± 5 %) Current consumption R.
m.
s.
voltage for AC isolation test, 50 Hz, 1 mn 1 0 .
.
± 2 5 1A/5V > 500 ≤5 A A V Ω nF s V mA kV Features • Closed loop (compensated) current transducer • Insulated plastic case recognized according to UL 94-V0 ∞ • Patent pending.
± 15 40 + VOUT / R L 6 Advanced features • f = 500 kHz • X G = ± 0.
25 % (- 25°C .
.
+ 70°C).
Accuracy - Dynamic performance data XG VO f Overall accuracy @ I P N Offset voltage @ I P = 0 - 25°C .
.
+ 70°C TA = 25°C - 25°C .
.
+ 70°C ± 0.
25 Typ Max ± 2.
0 ± 3.
0 % mV mV kHz Advantages • • • • • • • Excellent accuracy Very good linearity Low temperature drift Optimized response time Wide frequency bandwidth No insertion losses High immunity to external interference • Current overload capability.
Frequency bandwidth (- 3 dB) @ 50 % of I P N DC .
.
500 General data TA TS m Ambient operating temperature Ambient storage temperature Mass Standards - 25 .
.
+ 70 - 40 .
.
+ 85 670 EN 50178 °C °C g Applications • AC variable speed drives and servo motor drives • Static converters for DC motor drives • Battery supplied applications • Uninterruptible Power Supplies (UPS) • Switched Mode Power Supplies (SMPS) • Power supplies for welding applications.
Note : 1) If the short-circuit has a duration more than 1 s, the primary current of the supply voltage must be interrupted for a short time to restore the transducer to proper working order.
The internal protection is done by PTC resistors.
030331/4 LEM Components w w w.
lem.
com Dimensions CT 1-T (in mm.
1 mm = 0.
0394 ...



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