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Current Transducer LTS 6-NP
For the electronic measurement of currents : DC, AC, pulsed, mixed, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit).
IPN
=
6 At
Electrical data
I PN IP I PDC VOUT NS RL R IM TCR IM VC IC Primary nominal r.m.s. current Primary current, measuring range Overload capability Analog output voltage @ I P IP = 0 Number of secondary turns ( 0.1 %) Load resistance Internal measuring resistance ( 0.5 %) Thermal drift of R IM Supply voltage ( 5 %) Current consumption @ VC = 5 V 6 At 0 .. 19.2 At 250 At 2.5 (0.625*IP/IPN) V 2.5 1) V 2000 2 k 208.33 < 50 ppm/K 5 V 28+ IS2) + (VOUT/RL)mA
Features
* Closed loop (compensated) multi* * * * *
range current transducer using the Hall effect Unipolar voltage supply Compact design for PCB mounting Insulated plastic case recognized according to UL 94-V0 Incorporated measuring resistance Extended measuring range.
Typ
Accuracy - Dynamic performance data
X
Advantages
0.2 0.7 < 0.1 Typ 80 % % % Max 200 ppm/K 250 ppm/K 50 3) ppm/K 0.5 mV 2.0 mV 2.0 mV ns ns A/s kHz kHz
L
Accuracy @ IPN , T A = 25C Accuracy with R IM @ IPN , T A = 25C Linearity error - 10C .. + 85C - 40C .. - 10C Thermal drift of the gain - 40C .. + 85C Residual voltage @ IP = 0,after an overload of 3 x IPN 5 x IPN 10 x IPN Reaction time @ 10 % of IPN Response time @ 90 % of IPN di/dt accurately followed Frequency bandwidth (0 .. - 0.5 dB) (- 0.5 .. 1 dB)
TCVOUT Thermal drift of VOUT @ IP = 0 TCG VOM
* * * * * * *
Excellent accuracy Very good linearity Very low temperature drift Optimized response time Wide frequency bandwidth No insertion losses High immunity to external interference * Current overload capability.
tr a tr di/dt f
< 100 < 400 > 15 DC .. 100 DC .. 200
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.
General data
TA TS m Ambient operating temperature Ambient storage temperature Insulating material group Mass Standards 4)
1) 2) 3) 4)
- 40 .. + 85 - 40 .. + 100 III a 10
EN 50178 : 1997 IEC 60950-1 : 2001
C C g
Application domain
* Industrial.
Copyright protected.
Notes :
Absolute value @ T A = 25C, 2.475 < VOUT < 2.525 Please see the operation principle on the other side Only due to TCR IM Specification according to IEC 61000-4-3 are not guaranteed between 95 and 110 MHz (value higher by 5% than the specification).
050713/14
Page 1/3
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
LEM Components
Tope Co., Ltd. Tel: (02) 8228-0658 Fax: (02) 8228-0659 http://www.sensor.com.tw
www.lem.com
e-mail: tope@ms1.hinet.net
Current Transducer LTS 6-NP Isolation characteristics
Vd VW Ve dCp dCl CTI R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn Impulse withstand voltage 1.2/50 s 3 >8 kV kV kV mm mm
Min R.m.s. voltage for partial discharge extinction @ 10pC > 1.5 Creepage distance 5) Clearance distance 6) Comparative Tracking Index (Group III a ) Min 15.5 6.35 175
Application examples
According to EN 50178 and IEC 61010-1 standards and following conditions :
* Over voltage category OV 3 * Pollution degree PD2 * Non-uniform field
EN 50178 dCp, dCI, VW Single isolation Reinforced isolation Rated isolation voltage 600 V 300 V IEC 61010-1 Nominal voltage 600 V 300 V
Notes :
5) 6)
On housing On PCB with soldering pattern UTEC93-703.
Safety
This transducer must be used in electric/electronic equipment with respect to applicable standards and safety requirements in accordance with the following manufacturer's operating instructions.
Caution, risk of electrical shock When operating the transducer, certain parts of the module can carry hazardous voltage (eg. primary busbar, power supply). Ignoring this warning can lead to injury and/or cause serious damage. This transducer is a built-in device, whose conducting parts must be inaccessible after installation. A protective housing or additional shield could be used. Main supply must be able to be disconnected.
050713/14
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
Page 2/3
LEM Components
www.lem.com
Dimensions LTS 6-NP
(in mm. 1 mm = 0.0394 inch)
Bottom view
Operation principle
Front view
Back view
Right view
Number of primary turns
Primary nominal r.m.s. current IPN [ A ] 6
Nominal output voltage VOUT [ V ] 2.5 0.625
Primary resistance R P [ m ] 0.18
Primary insertion inductance L P [ H ] 0.013
IN
Recommended connections
6 5 4 OUT
1
1 6
2 5
3 4
OUT
2
3
2.5 0.625
0.81
0.05
IN 1 6 2 5 3 4 OUT
3
2
2.5 0.625
1.62
0.12
IN 1 2 3
Mechanical characteristics
0.2 mm 6 pins 0.8 x 0.8 mm Recommended PCB hole 1.3 mm * Fastening & connection of secondary 3 pins 0.5 x 0.35 mm Recommended PCB hole 0.8 mm * Additional primary through-hole 3.2 mm
Output Voltage - Primary Current
VOUT [ V ]
5 4.5 3.125 2.5 1.875 0.5
* General tolerance * Fastening & connection of primary
Remarks
* VOUT is positive when IP flows from terminals 1, 2, 3 to
terminals 6, 5, 4. * Temperature of the primary jumper should not exceed 100C. - IPmax - IPN 0 IPN IPmax IP [ At ]
050713/14
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
Page 3/3
LEM Components
www.lem.com

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