topstek true rms current trans ducer tfc30p80a.. tfc1500a-cl420 - 1 - www.topstek.com tfc30p-cl420 v081007 10/7/2008 true rms 4-20ma current loop output ct tfc30p80a~1500a-cl420 features ? highly reliable open loop hall effect device ? clamp on split core structure ? faster response time than temperature sensing ? excellent linearity of the output voltage over a wide input range ? vfd and scr type waveforms current measurement ? true rms output ? 4-20ma current loop output ? high isolation voltage between the measuring circuit and the current-carrying conductor (ac3kv) ? flame-retardant plastic case and silicone encapsulant, using ul classified materials, ensures protection against environmental contaminants and vibration over a wide temperature and humidity range applications ? power measurement, power panel ? true rms ac+dc current measurement options ? plastic case material: pbt+30%gf(white) standard and pc(blue) option ? operating temperature range: 70c standard and option 85c available ? connector type: specify ?e or ?m. if other types of connector required, please contact factory for other possibilities. ?m: molex 5045 type (2.54mm pitch) ?e: euro type connector (5.08mm pitch) specifications parameter symbol unit 80a 100a 200a 300a 400a 500a 600a 1000a 1500a nominal input current i pn a rms 80 100 200 300 400 500 600 1000 1500 max primary current peak i pmax a 400 400 800 1200 1600 2000 2400 3000 3000 current output protocol i out ma 4-20 ma current loop, 4ma@ i p =0a, 20ma@ i p = i pn output offset current i os ma +4 ma over-scale output current i ol ma <32 ma load resistance r l ? <300 ? supply voltage v cc v +20v .. +32v accuracy @ i pn % within 1% of i pn @25c(excluding offset) linearity % within 1% of i pn consumption current i cc ma 4-20 ma (= i out ) response time (90% i pn step) t r sec <150 msec frequency bandwidth (1db) f bw hz dc to 6khz thermal drift of output - %/ c within 0.1 %/c @ i pn thermal drift of zero current offset - a/c < 3 a/c(0-60c), < 6 a/c(-40 .. 70c) dielectric strength - v ac3kv x 60 sec isolation resistance @ 1000 vdc r is m ? >1000 m ? operating temperature t a c -40c to 70c storage temperature t s c -45c to 85c mass w g 240 g
topstek true rms current trans ducer tfc30p80a.. tfc1500a-cl420 - 2 - www.topstek.com tfc30p-cl420 v081007 10/7/2008 60.0 7.3 36.5 80.0 20.0 31.0 60.5 30.3 90.3 2.0 86.0 8.3 1.5 pin assignment 0v tp i out +24v 1 2 3 4 +24v i out tp gnd appearance, dimensions and pin identification of tfc30p-cl420-m all dimensions in mm 0.2, holes ?0, +0.2 except otherwise noted.
topstek true rms current trans ducer tfc30p80a.. tfc1500a-cl420 - 3 - www.topstek.com tfc30p-cl420 v081007 10/7/2008 +24v i out tp gnd 60.0 7.3 31.0 60.5 30.3 1.5 84.5 2.0 20.0 90.3 11.0 2.0 8.5 m4 tap 5.08x3 36.5 80.0 appearance, dimensions and pin identification of tfc30p-cl420-e all dimensions in mm 0.2, holes ?0, +0.2 except otherwise noted.
topstek true rms current trans ducer tfc30p80a.. tfc1500a-cl420 - 4 - www.topstek.com tfc30p-cl420 v081007 10/7/2008 application connections ttfc30p-cl420 can be used with two types of connections. in both cases, the gnd pin have no internal connection, and tp pin is for factory calibration only. connection 1 : the power supply is on the receiver side. only two connector pins are used. connection 2: the power supply is on the ct side. make sure you have a proper ground connection to prevent grounding noise.
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