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Current Transducers HTB 50 .. 400-P/SP5 and HTB 50 .. 100-TP/SP5
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 = 50 .. 400 A
Electrical data
Primary nominal r.m.s. current IPN (A) 50 100 200 300 400 Primary current measuring range IP (A) 150 300 500 600 600 Type
HTB 50-P/SP5, HTB 50-TP/SP51) HTB 100-P/SP5, HTB 100-TP/SP51) HTB 200-P/SP5 HTB 300-P/SP5 HTB 400-P/SP5
Features
* Hall effect measuring principle * Galvanic isolation between primary * Isolation voltage 2500V * Low power consumption * Primary bus bar option for 50A and
100A version for ease of connection and secondary circuit
VC IC Vd R IS VOUT ROUT RL
Supply voltage (5 %)2) Current consumption R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn Isolation resistance @ 500 VDC Output voltage @ IPN, RL = 10 k, TA = 25C Output internal resistance Load resistance
+12 .. +15 V <15 mA 2.5 kV >500 M VOE 1.667 V 100 10 k
Accuracy - Dynamic performance data
Special Features
* Single power supply from 12V to 15V
X
L
VOE VOH VOT TC G tr f
Accuracy @ IPN, TA = 25C (without offset) <1 % of IPN Linearity (0 .. IPN) <1 % of IPN Electrical offset voltage, TA = 25C Vc/230 mV Hysteresis offset voltage @ IP = 0; after an excursion of 3 x IPN <0.5 % of IPN Thermal drift of VOE HTB 50-(T)P/SP5 <1.0 mV/K HTB 100-(T)P..400-P/SP5 <0.5 mV/K Thermal drift (% of reading) <0.05 %/K Response time @ 90% of IP <3 s Frequency bandwidth (-3 dB)3) DC .. 50 kHz
Advantages
* Small size and space saving * Only one design for wide current * High immunity to external
interference. ratings range
General data
TA TS m Ambient operating temperature Ambient storage temperature Mass (-TP version) -25 .. +85 -25 .. +85 <30 (<36) C C g
Applications
* AC variable speed drives * Static converters for DC motor drives * Battery supplied applications * Uninterruptible Power Supplies * Switched Mode Power Supplies
(UPS) (SMPS)
Notes : EN 50178 approval pending 1) -TP version is equipped with a primary bus bar. 2) Operating at +12V Vc < +15V will reduce measuring range. 3) Derating is needed to avoid excessive core heating at high frequency.
* Power supplies for welding
applications.
030221/0
LEM Components
www.lem.com
HTB 50 ... 400-P/SP5
Back view
39 14 MAX.
Left view
Positive Current Flow
34
d1
6
1.5
19.5
4-0.635x0.635 3
24.5 5.5
3.5
32 1
Secondary Pin Identification
2-d2 Mounting Pins 7 11
2-P=2.5 6 +/-1
9 +/-1
1 +Vc 2 0V 3 Output
Bottom View
10
19
3
HTB 50 ... 100-TP/SP5
Back view
39 14 MAX.
3
Left view
34
1.5
17
4-0.635x0.635 3
10
2-P=2.5 10.5 3 3 9 2 3.25
3.5
321
1.5 1.5
3.5
1.5
Positive Current Flow
6-1.5x1.5
Secondary Pin Identification 1 +Vc 2 0V 3 Output
14
3
Bottom view
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
3
11

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