Current Transducer CAS series I = 6, 15, 25, 50 A PN Ref: CAS 6-NP, CAS 15-NP, CAS 25-NP, CAS 50-NP For the electronic measurement of current: DC, AC, pulsed..., with galvanic isolation between the primary and the secondary circuit. Features Applications Closed loop (compensated) multi-range AC variable speed and servo motor drives current transducer Static converters for DC motor drives Voltage output Battery supplied applications Single supply Uninterruptible Power Supplies (UPS) Isolated plastic case material recognized Switched Mode Power Supplies (SMPS) according to UL 94-V0 Power supplies for welding applications. Compact design for PCB mounting. Standards Advantages EN 50178 Very low temperature coefficient of offset UL 508 Very good dv/dt immunity IEC 61010-1 (safety). LTS compatible footprint Application Domain Reduced height. Industrial. Page 1/16 8March2012/version 7 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com CAS series Absolute maximum ratings Parameter Symbol Unit Value Supply voltage V 7 V C Primary conductor temperature C 110 Maximum primary current I A 20 x I P max PN ESD rating, Human Body Model (HBM) kV 4 Stresses above these ratings may cause permanent damage. Exposure to absolute maximum ratings for extended periods may degrade reliability. Isolation characteristics Parameter Symbol Unit Value Comment RMS voltage for AC isolation test 50/60Hz/1 min V kV 4.2 d Impulse withstand voltage 1.2/50 s V kV 7.6 w Partial discharge extinction voltage 10 pC (rms) V V 1000 e Shortest distance through Clearance distance (pri. - sec.) dCI mm 7.7 air Shortest path along device Creepage distance (pri. - sec.) dCp mm 7.7 body When mounted on PCB Creepage distance (pri- sec.) - mm 6.3 with recommended layout V0 according Case material - - to UL 94 Comparative tracking index CTI V 600 Reinforced isolation, non 300 V CAT III Application example - - uniform field according to PD2 EN 50178, EN 61010 Simple isolation, non 600 V CAT III Application example - - uniform field according to PD2 EN 50178, EN 61010 According to UL 508: For use in a pollution - V 600 primary potential involved in Volts RMS AC or DC degree 2 environment Environmental and mechanical characteristics Parameter Symbol Unit Min Typ Max Comment Ambient operating temperature C -40 85 T A Ambient storage temperature C -55 105 T S Mass m g 9 Standards EN 50178, IEC 60950-1, IEC 61010-1, IEC 61326-1, UL 508 Page 2/16 8March2012/version 7 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com