IPN = 50, 100, 150, 200, 250 A Current Transducer HO-S series Ref: HO 50-S, HO 100-S, HO 150-S, HO 200-S, HO 250-S For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit. Features Applications ●● Open loop multi-range current transducer ●● AC variable speed and servo motor drives ●● Voltage output ●● Static converters for DC motor drives ●● Single power supply +5 V ●● Battery supplied applications ●● Over-current detect 2.93 x IPN (peak value) ●● Uninterruptible Power Supplies (UPS) ●● Galvanic separation between primary and secondary circuit ●● Switched Mode Power Supplies (SMPS) ●● Low power consumption ●● Power supplies for welding applications ●● Compact design for panel mounting ●● Combiner box ●● Aperture: 15 x 8 mm ●● MPPT. ●● Factory calibrated ●● Connection mating with JST: -- housing PHR-5 -- contact SPH-00xT. ●● Dedicated parameter settings available on request (see page 10). Standards ●● EN 50178: 1997 ●● IEC 61010-1: 2010 ●● IEC 61326-1: 2012 ●● UL 508: 2010 (pending). Advantages Application Domain ●● Low offset drift ●● Industrial. ●● Over-drivable Vref ●● 8 mm creepage /clearance ●● Fast response ●● Low profile 2 mm pitch connector for wire AWG 32 to 24. N°97.K5.25.000.0; N°97.K5.34.000.0; N°97.K5.39.000.0; N°97.K5.44.000.0; N°97.K5.45.000.0 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice Page 1/14 www.lem.com HO 50 .. 250-S series Absolute maximum ratings Parameter Symbol Unit Value Supply voltage (not destructive) UC V 8 Supply voltage (not entering non standard modes) UC V 6.5 Primary conductor temperature TB °C 120 UESD kV 2 ESD rating, Human Body Model (HBM) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum ratings for extended periods may degrade reliability. Insulation coordination Parameter Symbol Unit Value Rms voltage for AC insulation test 50/60Hz/1 min Ud kV 4.3 Impulse withstand voltage 1.2/50 µs ÛW kV 8 Partial discharge extinction rms voltage @ 10 pC Ue V >1200 Clearance (pri. - sec.) dCI mm >8 Shortest distance through air Creepage distance (pri. - sec.) dCp mm >8 Shortest path along device body Clearance (pri. - sec.) - mm >8 When mounted on PCB with recommended layout Case material - - V0 according to UL 94 CTI - 600 Application example - - 600 V CAT III PD2 Reinforced insulation, non uniform field according to EN 50178, EN 61010 Application example - - 1000 V CAT III PD2 Based insulation, non uniform field according to EN 50178, EN 61010 Application example - - 600 V CAT III PD2 Simple insulation, non uniform field according to UL 508 Comparative tracking index Comment Busbar / Secondary Environmental and mechanical characteristics Symbol Unit Min Ambient operating temperature Parameter TA °C -40 105 Ambient storage temperature TS °C -40 105 Mass m g Typ Max Comment 32 Page 2/14 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com HO 50 .. 250-S series Electrical data HO 50-S-0100 At TA = 25 °C, UC = +5 V, RL = 10 kΩ unless otherwise noted (see Min, Max, typ. definition paragraph in page 11). Parameter Symbol Unit Primary nominal rms current IPN A Primary current, measuring range IPM A Number of primary turns NP - Supply voltage 1) UC V Current consumption IC mA Reference voltage (output) Vref Reference voltage (input) Vref Output voltage range @ IPM Min Typ Max Comment 50 -125 125 1 @ UC ≥ 4.6 V See application information 4.5 5 5.5 19 25 V 2.48 2.5 2.52 Internal reference V 0.5 2.65 External reference Vout - Vref V -2 Vref output resistance Rref Ω 130 Vout output resistance Rout Ω Allowed capacitive load CL nF 0 OCD output: On resistance Ron Ω 70 95 150 Open drain, active low Over operating temperature range OCD output: Hold time thold ms 0.7 1 1.4 Additional time after threshold has released EEPROM control Vout mV 0 50 Vout forced to GND when EEPROM in an error state 2) Electrical offset voltage @ IP = 0 A VOE mV -5 5 Vout - Vref @ Vref = 2.5 V Electrical offset current Referred to primary IOE A -0.3125 0.3125 Temperature coefficient of Vref TCVref ppm/K -170 170 -40 °C .. 105 °C Temperature coefficient of VOE TCVOE mV/K -0.075 0.075 -40 °C .. 105 °C Offset drift referred to primary @ IP = 0 A TCIOE mA/K -4.69 4.69 -40 °C .. 105 °C Theoretical sensitivity Gth mV/A Sensitivity error @ IPN εG % -0.5 0.5 Factory adjustment (straight bus-bar) TCG ppm/K 350 350 -40 °C .. 105 °C Temperature coefficient of G 2 200 2 Over operating temperature range 300 Series 5 Series 6 800 mV@ IPN 16 Linearity error 0 .. IPN εL % of IPN -0.75 0.75 Linearity error 0 .. IPM εL % of IPM -0.5 0.5 Magnetic offset current (@ 10 × IPN) referred to primary IOM A -0.92 0.92 One turn Reaction time @ 10 % of IPN tra µs 2.5 @ 50 A/µs Response time @ 90 % of IPN tr µs 3.5 @ 50 A/µs Frequency bandwidth (-3 dB) BW kHz Output rms voltage noise (spectral density) (100 Hz .. 100 kHz) eno µV/√Hz Output voltage noise (DC .. 10 kHz) (DC .. 100 kHz) (DC .. 1 MHz) Vno mVpp Over-current detect 100 Small signals 10.2 5.6 16.3 30.6 A 2.64 x IPN 2.93 x IPN 3.22 x IPN Peak value ±10 % Accuracy @ IPN X % of IPN -1.25 1.25 Accuracy @ IPN @ TA = +105 °C X % of IPN -4.85 4.85 See formula note 3) Accuracy @ IPN @ TA = +85 °C X % of IPN -4.15 4.15 See formula note 3) Notes: 3.3 V SP version available EEPROM in an error state makes the transducer behave like a reverse current saturation. Use of the OCD may help to differentiate the two cases. 1) 2) 3) TCIOE Accuracy @ X TA (% of IPN) = X + ( TCG · (TA - 25) + · 100 · (TA - 25)). 10000 1000·IP Page 3/14 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com HO 50 .. 250-S series Electrical data HO 100-S-0100 At TA = 25 °C, UC = +5 V, RL = 10 kΩ unless otherwise noted (see Min, Max, typ. definition paragraph in page 11). Symbol Unit Primary nominal rms current Parameter IPN A Primary current, measuring range IPM A Number of primary turns NP - Supply voltage Min -250 V IC mA Reference voltage (output) Vref V 2.48 Output voltage range @ IPM 250 1 UC Reference voltage (input) Max Comment 100 Current consumption 1) Typ 4.5 @ UC ≥ 4.6 V See application information 5 5.5 19 25 2.5 2.52 Internal reference External reference Vref V 0.5 2.65 Vout - Vref V -2 2 130 Over operating temperature range Vref output resistance Rref Ω Vout output resistance Rout Ω 200 300 Series 2 5 Series Allowed capacitive load CL nF 0 OCD output: On resistance Ron Ω 70 95 150 Open drain, active low Over operating temperature range OCD output: Hold time thold ms 0.7 1 1.4 Additional time after threshold has released EEPROM control Vout mV 0 50 Vout forced to GND when EEPROM in an error state 2) Electrical offset voltage @ IP = 0 A VOE mV -5 5 Vout - Vref @ Vref = 2.5 V Electrical offset current Referred to primary IOE A -0.625 0.625 6 Temperature coefficient of Vref TCVref ppm/K -170 170 -40 °C .. 105 °C Temperature coefficient of VOE TCVOE mV/K -0.075 0.075 -40 °C .. 105 °C Offset drift referred to primary @ IP = 0 A TCIOE mA/K -9.375 9.375 -40 °C .. 105 °C Theoretical sensitivity Gth mV/A Sensitivity error @ IPN εG % Temperature coefficient of G 800 mV@ IPN 8 -0.5 0.5 Factory adjustment (straight bus bar) -40 °C .. 105 °C TCG ppm/K 350 350 Linearity error 0 .. IPN εL % of IPN -0.5 0.5 Linearity error 0 .. IPM εL % of IPM -0.5 0.5 Magnetic offset current (@10 × IPN) referred to primary IOM A -0.92 0.92 One turn Reaction time @ 10 % of IPN tra µs 2.5 @ 50 A/µs 3.5 @ 50 A/µs Response time @ 90 % of IPN tr µs Frequency bandwidth (-3 dB) BW kHz Output rms voltage noise (spectral density) (100 Hz .. 100 kHz) eno µV/√Hz Output voltage noise (DC .. 10 kHz) (DC .. 100 kHz) (DC .. 1 MHz) Vno mVpp A 2.64 x IPN Accuracy @ IPN X % of IPN -1 1 Accuracy @ IPN @ TA = +105 °C X % of IPN -4.6 4.6 See formula note 3) Accuracy @ IPN @ TA = +85 °C X % of IPN -3.9 3.9 See formula note 3) Over-current detect Notes: 100 Small signals 6 3.6 8.7 16.9 2.93 x IPN 3.22 x IPN Peak value ±10 % 3.3 V SP version available EEPROM in an error state makes the transducer behave like a reverse current saturation. Use of the OCD may help to differentiate the two cases. 1) 2) 3) TCIOE Accuracy @ X TA (% of IPN) = X + ( TCG · (TA - 25) + · 100 · (TA - 25)). 10000 1000·IP 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice Page 4/14 www.lem.com HO 50 .. 250-S series Electrical data HO 150-S-0100 At TA = 25 °C, UC = +5 V, RL = 10 kΩ unless otherwise noted (see Min, Max, typ. definition paragraph in page 11). Symbol Unit Primary nominal rms current Parameter IPN A Min Primary current, measuring range IPM A NP - Supply voltage UC V IC mA Reference voltage (output) Vref V 2.48 Reference voltage (input) Vref V 0.5 Current consumption Output voltage range @ IPM Max Comment 150 Number of primary turns 1) Typ -375 375 1 4.5 @ UC ≥ 4.6 V See application information 5 5.5 19 25 2.5 2.52 Internal reference 2.65 External reference Vout - Vref V -2 Vref output resistance Rref Ω 130 Vout output resistance Rout Ω Allowed capacitive load CL nF 0 OCD output: On resistance Ron Ω 70 95 150 Open drain, active low Over operating temperature range OCD output: Hold time thold ms 0.7 1 1.4 Additional time after threshold has released EEPROM control Vout mV 0 50 Vout forced to GND when EEPROM in an error state 2) Electrical offset voltage @ IP = 0 A VOE mV -5 5 Vout - Vref @ Vref = 2.5 V Electrical offset current Referred to primary IOE A -0.94 0.94 Temperature coefficient of Vref TCVref ppm/K -170 170 -40 °C .. 105 °C Temperature coefficient of VOE TCVOE mV/K -0.075 0.075 -40 °C .. 105 °C Offset drift referred to primary @ IP = 0 A TCIOE mA/K -14.1 14.1 -40 °C .. 105 °C Theoretical sensitivity Gth mV/A Sensitivity error @ IPN εG % -0.5 0.5 Factory adjustment (straight bus-bar) TCG ppm/K 350 350 -40 °C .. 105 °C Temperature coefficient of G 2 200 2 Over operating temperature range 300 Series 5 Series 6 800 mV@ IPN 5.333 Linearity error 0 .. IPN εL % of IPN -0.5 0.5 Linearity error 0 .. IPM εL % of IPM -0.5 0.5 Magnetic offset current (@10 × IPN) referred to primary IOM A -0.92 0.92 One turn Reaction time @ 10 % of IPN tra µs 2.5 @ 50 A/µs Response time @ 90 % of IPN tr µs 3.5 @ 50 A/µs Frequency bandwidth (-3 dB) BW kHz Output rms voltage noise (spectral density) (100 Hz .. 100 kHz) eno µV/√Hz Output voltage noise (DC .. 10 kHz) (DC .. 100 kHz) (DC .. 1 MHz) Vno mVpp A 2.64 x IPN Accuracy @ IPN X % of IPN -1 1 Accuracy @ IPN @ TA = +105 °C X % of IPN -4.6 4.6 See formula note 3) Accuracy @ IPN @ TA = +85 °C X % of IPN -3.9 3.9 See formula note 3) Over-current detect Notes: 100 Small signals 4.5 2.9 6.2 12.3 2.93 x IPN 3.22 x IPN Peak value ±10 % 3.3 V SP version available EEPROM in an error state makes the transducer behave like a reverse current saturation. Use of the OCD may help to differentiate the two cases 1) 2) 3) TCIOE Accuracy @ X TA (% of IPN) = X + ( TCG · (TA - 25) + · 100 · (TA - 25)). 10000 1000·IP 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice Page 5/14 www.lem.com HO 50 .. 250-S series Electrical data HO 200-S-0100 At TA = 25 °C, UC = +5 V, RL = 10 kΩ unless otherwise noted (see Min, Max, typ. definition paragraph in page 11). Parameter Symbol Unit Primary nominal rms current IPN A Primary current, measuring range IPM A Number of primary turns NP - Supply voltage UC V IC mA Reference voltage (output) Vref V 2.48 Reference voltage (input) Vref V 0.5 1) Current consumption Output voltage range @ IPM Min Typ Max Comment 200 -500 500 1 4.5 @ UC ≥ 4.6 V See application information 5 5.5 19 25 2.5 2.52 Internal reference 2.65 External reference Vout - Vref V -2 Vref output resistance Rref Ω 130 Vout output resistance Rout Ω Allowed capacitive load CL nF 0 OCD output: On resistance Ron Ω 70 95 150 Open drain, active low Over operating temperature range OCD output: Hold time thold ms 0.7 1 1.4 Additional time after threshold has released EEPROM control Vout mV 0 50 Vout forced to GND when EEPROM in an error state 2) Electrical offset voltage @ IP = 0 A VOE mV -5 5 Vout - Vref @ Vref = 2.5 V Electrical offset current Referred to primary IOE A -1.25 1.25 Temperature coefficient of Vref TCVref ppm/K -170 170 -40 °C .. 105 °C Temperature coefficient of VOE TCVOE mV/K -0.075 0.075 -40 °C .. 105 °C Offset drift referred to primary @ IP = 0 A TCIOE mA/K -18.75 18.75 -40 °C .. 105 °C Theoretical sensitivity Gth mV/A Sensitivity error @ IPN εG % -0.5 0.5 Factory adjustment (straight bus-bar) TCG ppm/K 350 350 -40 °C .. 105 °C Temperature coefficient of G 2 200 2 Over operating temperature range 300 Series 5 Series 6 800 mV@ IPN 4 Linearity error 0 .. IPN εL % of IPN -0.5 0.5 Linearity error 0 .. IPM εL % of IPM -0.5 0.5 Magnetic offset current (@10 × IPN) referred to primary IOM A -0.92 0.92 One turn Reaction time @ 10 % of IPN tra µs 2.5 @ 50 A/µs Response time @ 90 % of IPN tr µs 3.5 @ 50 A/µs Frequency bandwidth (-3 dB) BW kHz Output rms voltage noise (spectral density) (100 Hz .. 100 kHz) eno µV/√Hz Output voltage noise (DC .. 10 kHz) (DC .. 100 kHz) (DC .. 1 MHz) Vno mVpp Over-current detect 100 Small signals 3.7 2.5 5 10 A 2.64 x IPN 2.93 x IPN 3.22 x IPN Peak value ±10 % Accuracy @ IPN X % of IPN -1 1 Accuracy @ IPN @ TA = +105 °C X % of IPN -4.6 4.6 See formula note 3) Accuracy @ IPN @ TA = +85 °C X % of IPN -3.9 3.9 See formula note 3) Notes: 3.3 V SP version available EEPROM in an error state makes the transducer behave like a reverse current saturation. Use of the OCD may help to differentiate the two cases 1) 2) 3) TCIOE Accuracy @ X TA (% of IPN) = X + ( TCG · (TA - 25) + · 100 · (TA - 25)). 10000 1000·IP 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice Page 6/14 www.lem.com HO 50 .. 250-S series Electrical data HO 250-S-0100 At TA = 25 °C, UC = +5 V, RL = 10 kΩ unless otherwise noted (see Min, Max, typ. definition paragraph in page 11). Symbol Unit Primary nominal rms current Parameter IPN A Primary current, measuring range IPM A Number of primary turns NP - Supply voltage 1) UC V Current consumption IC mA Reference voltage (output) Vref Reference voltage (input) Output voltage range @ IPM Min Typ Max Comment 250 -625 625 1 @ UC ≥ 4.6 V See application information 4.5 5 5.5 19 25 V 2.48 2.5 2.52 Internal reference External reference Vref V 0.5 2.65 Vout - Vref V -2 2 130 Over operating temperature range Vref output resistance Rref Ω Vout output resistance Rout Ω 200 300 Series 2 5 Series Allowed capacitive load CL nF 0 OCD output: On resistance Ron Ω 70 95 150 Open drain, active low Over operating temperature range OCD output: Hold time thold ms 0.7 1 1.4 Additional time after threshold has released EEPROM control Vout mV 0 50 Vout forced to GND when EEPROM in an error state 2) Electrical offset voltage @ IP = 0 A VOE mV -5 5 Vout - Vref @ Vref = 2.5 V Electrical offset current Referred to primary IOE A -1.57 1.57 6 Temperature coefficient of Vref TCVref ppm/K -170 170 -40 °C .. 105 °C Temperature coefficient of VOE TCVOE mV/K -0.075 0.075 -40 °C .. 105 °C Offset drift referred to primary @ IP = 0 A TCIOE mA/K -23.5 23.5 -40 °C .. 105 °C Theoretical sensitivity Gth mV/A Sensitivity error @ IPN εG % Temperature coefficient of G 800 mV@ IPN 3.2 -0.5 0.5 Factory adjustment (straight bus-bar) -40 °C .. 105 °C TCG ppm/K 350 350 Linearity error 0 .. IPN εL % of IPN -0.5 0.5 Linearity error 0 .. IPM εL % of IPM -0.5 0.5 Magnetic offset current (@10 × IPN) referred to primary IOM A -0.92 0.92 One turn Reaction time @ 10 % of IPN tra µs 2.5 @ 50 A/µs 3.5 @ 50 A/µs Response time @ 90 % of IPN tr µs Frequency bandwidth (-3 dB) BW kHz Output rms voltage noise (spectral density) (100 Hz .. 100 kHz) eno µV/√Hz Output voltage noise (DC .. 10 kHz) (DC .. 100 kHz) (DC .. 1 MHz) Vno mVpp Over-current detect A 100 Small signals 3.5 2.3 4.2 8.6 2.64 x IPN 2.93 x IPN 3.22 x IPN Peak value ±10 % Accuracy @ IPN X % of IPN -1 1 Accuracy @ IPN @ TA = +105 °C X % of IPN -4.6 4.6 See formula note 3) Accuracy @ IPN @ TA = +85 °C X % of IPN -3.9 3.9 See formula note 3) Notes: 3.3 V SP version available EEPROM in an error state makes the transducer behave like a reverse current saturation. Use of the OCD may help to differentiate the two cases 1) 2) 3) TCIOE Accuracy @ X TA (% of IPN) = X + ( TCG · (TA - 25) + · 100 · (TA - 25)). 10000 1000·IP 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice Page 7/14 www.lem.com HO 50 .. 250-S series HO-S series, measuring range versus external reference voltage HO 50-S 300 200 Uc = 5 V Uc = 4.75 V Uc = 4.6 V IP(A) 100 0 -100 -200 -300 0.5 1 1.5 2 2.5 V (V) ref HO 100-S 600 500 400 Uc = 5 V Uc = 4.75 V Uc = 4.6 V 300 IP (A) 200 100 0 -100 -200 -300 -400 -500 -600 0.5 1 1.5 2 2.5 V (V) ref HO 150-S 700 600 500 400 300 200 100 0 -100 -200 -300 -400 -500 -600 -700 IP (A) Uc = 5 V Uc = 4.75 V Uc = 4.6 V 0.5 1 1.5 2 2.5 V (V) ref HO 200-S 700 600 500 400 300 200 100 0 -100 -200 -300 -400 -500 -600 -700 IP (A) Vcc == 5v U 5V U Vcc == 4.75V 4.75 V 4.6 V Vcc == 4.6V U 0.5 1 1.5 2 2.5 V (V) ref HO 250-S 700 600 500 400 300 200 100 0 -100 -200 -300 -400 -500 -600 -700 IP (A) Vcc == 5v U 5V 4.75 V U Vcc == 4.75V 4.6 V U Vcc == 4.6V 0.5 1 1.5 2 2.5 V (V) ref Page 8/14 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com HO 50 .. 250-S series Maximum continuous DC current For all ranges: 300 250 HO 50-S HO 100-S HO 150-S HO 200-S HO 250-S IP(A) 200 150 100 50 0 -40 -20 0 20 40 60 80 100 120 140 TA (°C) Important notice: whatever the usage and/or application, the transducer primary bar temperature shall not go above the maximum rating of 120 °C as stated in page 2 of this datasheet. Page 9/14 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com HO 50 .. 250-S series HO-S series: name and codification HO family products may be ordered on request 1) with a dedicated setting of the parameters as described below (standards products are delivered with the setting 0100 according to the table). HO-S-XXXX Internal reference 0 2.5 V 1 1.65 V 2 1.5 V 3 0.5 V 4 External Vref only Response time 0 4 µs 1 3.5 µs 2 6 µs EEPROM Control 0 YES 1 NO Over current detection (× IPN ) 0 2.93 1 3.59 2 3.99 3 4.77 4 5.19 5 5.76 6 1.68 7 2.35 Standards products are: - HO 50-S-0100 - HO 100-S-0100 - HO 150-S-0100 - HO 200-S-0100 - HO 250-S-0100 Application information ●● HOxx-S series is designed to use a bus-bar or a cable 2) to carry the current through out the aperture with a maximum capacity of 15 x 8 mm ●● Use of naked conductor is not recommended for panel mounting horizontal or vertical, insulation distance might not be respected between busbar and fixation screw head. Insulation distance (nominal values): dCp Between primary busbar and secondary pin dCI 14.6 mm - Between primary busbar and core - 11.34 mm Between core and secondary terminal - 1.18 mm Notes: 1) For dedicated settings, minimum quantities apply, please contact your local LEM support. 2) The maximum magnetic offset referred to primary is inversely proportional to the number of turns, thus is divided by 2 with 2 turns Page 10/14 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com HO 50 .. 250-S series Definition of typical, minimum and maximum values Minimum and maximum values for specified limiting and safety conditions have to be understood as such as well as values shown in “typical” graphs. On the other hand, measured values are part of a statistical distribution that can be specified by an interval with upper and lower limits and a probability for measured values to lie within this interval. Unless otherwise stated (e.g. “100 % tested”), the LEM definition for such intervals designated with “min” and “max” is that the probability for values of samples to lie in this interval is 99.73 %. For a normal (Gaussian) distribution, this corresponds to an interval between -3 sigma and +3 sigma. If “typical” values are not obviously mean or average values, those values are defined to delimit intervals with a probability of 68.27 %, corresponding to an interval between -sigma and +sigma for a normal distribution. Typical, maximal and minimal values are determined during the initial characterization of a product. Remark Installation of the transducer must be done unless otherwise specified on the datasheet, according to LEM Transducer Generic Mounting Rules. Please refer to LEM document N°ANE120504 available on our Web site: Products/Product Documentation Safety This transducer must be used in limited-energy secondary circuits according to IEC 61010-1. This transducer must be used in electric/electronic equipment with respect to applicable standards and safety requirements in accordance with the manufacturer’s operating instructions. Caution, risk of electrical shock. When operating the transducer, certain parts of the module can carry hazardous voltage (e.g. primary bus bar, power supply). Ignoring this warning can lead to injury and/or cause serious damage. This transducer is a build-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. Page 11/14 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com HO 50 .. 250-S series Dimensions HO-S series (mm, general linear tolerance ±0.3 mm) Mounting example: horizontal Connection Vref Vout Ip UC C1 47 nF C2 4.7 nF C3 47 nF Remarks: ●● VOUT is positive with respect to Vref when positive IP flows in direction of the arrow shown on the drawing above. ●● Connection system: equivalent to JST B5B-PH type. Page 12/14 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com HO 50 .. 250-S series Dimensions HO-S series (mm, general linear tolerance ± 0.3 mm) Mounting example: vertical Connection Vref Vout Ip UC C1 47 nF C2 4.7 nF C3 47 nF Remarks: ●● VOUT is positive with respect to Vref when positive IP flows in direction of the arrow shown on the drawing above. ●● Connection system: equivalent to JST B5B-PH type. Page 13/14 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com HO 50 .. 250-S series Dimensions HO-S series (mm, general linear tolerance ± 0.3 mm) Mounting example: busbar Connection Vref Vout Ip UC C1 47 nF C2 4.7 nF C3 47 nF Remarks: ●● VOUT is positive with respect to Vref when positive IP flows in direction of the arrow shown on the drawing above. ●● Connection system: equivalent to JST B5B-PH type. Page 14/14 24July2014/Version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com