topstek current transducer tkv 3a .. tkv 50a - 77 - www.topstek.com tkv v080227 7/1/2008 tkv 3a~50a features highly reliable hall effect device compact and light weight fast response time excellent linearity of the output voltage over a wide input range excellent frequency response (> 50 khz) low power consumption (12 ma nominal) capable of measuring both dc and ac, both pulsed and mixed high isolation voltage between the measuring circuit and the current-carrying conductor (ac2.5kv) extended operating temperature range flame-retardant plastic case and silicone encapsulate, using ul classified materials, ensures protection against environmental contaminants and vibration over a wide temperature and humidity range applications ups systems industrial robots nc tooling machines elevator controllers process control devices ac and dc servo systems motor speed controller electrical vehicle controllers inverter-controlled welding machines general and special purpose inverters power supply for laser processing machines controller for traction equipment e.g. electric trains other automatic control systems specifications parameter symbol unit tkv3a .. tkv50a tkv3a-b12 .. tkv50a-b12 nominal input current i fn a dc 3 .. 50 linear range i fs a dc 9 .. 150 = 3x i fn 7.2 .. 120 = 2.4x i fn nominal output voltage v hn v 4 v1% at if=i fn ( r l =10k) offset voltage v os mv within 40 mv @ i f =0, t a =25c output resistance r out <100 hysteresis error v oh mv within 15 mv @ i f =i fn 0 supply voltage v cc /v ee v 15v 5% 12v 5% linearity % within 1% of i fn consumption current i cc ma 12 ma nominal, 16 ma max response time (90%v hn ) t r sec 3 sec max. @ d i f / dt = i fn / sec frequency bandwidth (-3db) f bw hz dc to 50khz thermal drift of output - %/c within 0.1 %/c @ i fn thermal drift of zero current offset - mv/c within 1.5 mv/c @ i fn dielectric strength - v ac2.5kv x 60 sec isolation resistance @ 1000 vdc r is m >1000 m operating temperature t a c -15c to 80c storage temperature t s c -20c to 85c mass w g 10 g
topstek current transducer tkv 3a .. tkv 50a - 78 - www.topstek.com tkv v080227 7/1/2008 p d [ 3 u l p d u \ [ g secondary pins 4x(0.5x0.25) 3a to 25a pcb mounting hole layout s [ [ g [ [ p d [ i - -15v v out 0v i + pin assignment +15v [ [ h bottom view t k v 3 a 0 7 2 6 2 [ appearance, dimensions and pin identification for tkv 3a .. tkv 25a models all dimensions in mm 0.2, holes C0, +0.2 except otherwise noted. nominal primary current 3--4a 5--7 a 7.5--12a 12.5?20a 21?30a d (mm) 0.6 0.8 1.0 1.2 1.6 e (mm) 1.2 1.4 1.6 1.8 2.2
topstek current transducer tkv 3a .. tkv 50a - 79 - www.topstek.com tkv v080227 7/1/2008 p d [ primary [ g secondary pins 4x(0.5x0.25) pcb mounting hole layout s [ [ g [ [ p d [ i - -15v v out 0v i + pin assignment +15v [ [ h bottom view t k v3 0 a 0 7 2 6 2 s [ appearance, dimensions and pin identification for tkv 30a..tkv 50a models all dimensions in mm 0.1, holes C0, +0.2 except otherwise noted. nominal primary current 30?37.5a 40--50a d (mm) 1.6 2.0 e (mm) 2.2 2.6
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