LEM LTC600-T Current transducer Datasheet

Current Transducer LTC 600-T
IPN
=
500 A
For the electronic measurement of currents : DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
Electrical data
IPN
IP
ÎP
RM
Primary nominal r.m.s. current
Primary current, measuring range @ 24 V
Max overload not measurable
Measuring resistance
with ± 15 V
with ± 24 V
@ ± 500 A max
@ ± 1200 A max
@ ± 500 A max
@ ± 1500 A max
ISN
KN
VC
IC
Vd
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
Ve
R.m.s. voltage for partial discharge extinction
500
A
0 .. ± 1500
A
10 / 10
kA/ms
RM min RM max
0
0
0
0
70
5
150
20
100
1 : 5000
± 15 .. 24
< 30 (@±24V) + IS
13.4 1)
1.5 2)
> 2.8
Ω
Ω
Ω
Ω
mA
V
mA
kV
kV
kV
Accuracy - Dynamic performance data
XG
Overall accuracy @ IPN , TA = 25°C
@ IPN , TA = - 40°C .. + 85°C
Linearity error
< ± 0.7
< ± 1.6
< 0.1
IO
IOT
Offset current @ IP = 0, TA = 25°C
Thermal drift of IO
Max
± 0.5
±1
tr
di/dt
f
Response time 3) @ 90 % of IPN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
ε
L
- 40°C .. + 85°C
<1
> 100
DC .. 100
%
%
%
mA
mA
µs
A/µs
kHz
Notes :
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @ TA = 85°C
Mass
Standards
1)
2)
3)
• Closed loop (compensated) current
transducer using the Hall effect
• Insulated plastic case recognized
according to UL 94-V0
• Railway equipment.
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
General data
TA
TS
RS
m
Features
(SMPS)
- 40 .. + 85
°C
- 45 .. + 90
°C
44
Ω
1270
g
EN 50155 (01.12.20)
• Power supplies for welding
applications.
Between primary and secondary + shield
Between secondary and shield
With a di/dt of 100 A/µs.
040430/2
LEM Components
w w w.lem.com
Dimensions LTC 600-T
(in mm. 1 mm = 0.0394 inch)
Front view
Left view
Secondary terminals
Terminal
Terminal
Terminal
Terminal
+
M
E
:
:
:
:
supply voltage + 15 .. 24 V
measure
supply voltage - 15 .. 24 V
shield
Connection
or
Top view
Mechanical characteristics
• General tolerance
• Fixing the transducer
Recommended fastening torque
• Connection of secondary
Recommended fastening torque
Remarks
± 1 mm
2 holes ∅ 13 mm
or by the primary bar
2 steel screws M12
24.5 Nm
M5 threaded studs
2.2 Nm or 1.62 Lb.-Ft.
Faston 6.3 x 0.8 mm
• IS is positive when IP flows in the direction of the arrow.
• Temperature of the primary conductor should not exceed
100°C.
• This is a standard model. For different versions (supply
voltages, turns ratios, unidirectional measurements...),
please contact us.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
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