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PDF CT1-T Data sheet ( Hoja de datos )
| Número de pieza | CT1-T | |
| Descripción | Current Transducer | |
| Fabricantes | LEM | |
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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
∞
± 15
40 + VOUT / R L
6
A
A
V
Ω
nF
s
V
mA
kV
Accuracy - Dynamic performance data
X G Overall accuracy @ I P N
VO 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
f Frequency bandwidth (- 3 dB) @ 50 % of I PN
DC .. 500
kHz
General data
TA Ambient operating temperature
TS Ambient storage temperature
m Mass
Standards
- 25 .. + 70
- 40 .. + 85
670
EN 50178
°C
°C
g
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.
Features
• Closed loop (compensated) current
transducer
• Insulated plastic case recognized
according to UL 94-V0
• Patent pending.
Advanced features
• f = 500 kHz
• X G = ± 0.25 % (- 25°C .. + 70°C).
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.
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.
030331/4
LEM Components
w w w.lem.com
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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet CT1-T.PDF ] | |
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