Current Sense / Low Frequency Tr a n s f o r m e r s CSE187L-P Description: Triad’s low frequency current sense transformers are designed to monitor current from 0.1 to 30 amperes at frequencies from 50 Hz to 400 Hz. This product is also available in open coil construction as CSE187L. Electrical Specifications at 25º C: Turns ratio: Primary to sense 1: 500 Suggested burden resistor: 60for 110mV/A Primary DCR: 270 micro ohms maximum Sense DCR: 21 ohms maximum Operating Temperature: -40°C to 105°C Storage Temperature: -50°C to 125°C Maximum input: 30Arms, 0-240VAC circuit Maximum output voltage: 4.0Vrms. Burden resistor value must be selected to not exceed this voltage. .875 RE F .720 MA X Response Curve: .125 - .200 .025 SQ 2 P LCS STA ND OFF 4 P LCS LOC ATION MA Y VA RY .875 RE F .720 MA X .125 - .200 .080 DIA +/- .003 2 P LCS CL .600 .300 Construction: These transformers are provided with Recognized Component electrical insulation system (OBJY2), Class 130 (B), designated “B3”. Products are designed, built and 100% tested for a hi-pot of 4000V winding to winding. 8 .047 DIA 2 P LC S 5 .9 SQ .400 1A RE F 2A .262 RE F .185 .370 Agency Files: UL file E50476 – Electrical Insulation Systems, Class “B3”, 130C UL file E205349 – Component, Instrument Transformer (XODW2) .100 DIA 2 P LC S MOUN TIN G HOLE P ATTER N TOP OF P CB 2A 8 1A 5 RoHS Compliance: As of manufacturing date February 2005, all standard products meet the requirements of 2011/65/EU, known as the RoHS initiative. * Upon printing, this document is considered “uncontrolled”. Please contact Triad Magnetics’ website for the most current version. web:www.TriadMagnetics.com Phone 951-277-0757 Fax 951-277-2757 460 Harley Knox Blvd. Perris, California 92571 SCHEMATIC Publish Date: January 20, 2015