Current Sense / Low Frequency
Transformers
web:www.TriadMagnetics.com
Phone 951-277-0757
Perris, California 92571
Publish Date: June 8, 2016
CSE187L
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 potted coil construction as CSE187L-P.
Electrical Specifications at 25º C:
Turns ratio: Primary to sense 1: 500
Suggested burden resistor: 60Ω for 110mV/A
Primary DCR: 250 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.
Response Curve:
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 2500V, winding to winding and
1250V, winding to core.
Agency Files:
UL file E50476 – Electrical Insulation Systems, Class “B3”, 130C
UL file E205349 – Component, Instrument Transformer (XODW2)
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. For soldering and washing information please see
http://www.triadmagnetics.com/faq.html
8
5
.12
1A
2A
.37
.600
.100 DIA.
.080 DIA+/-.003
.025 SQ
4 PLCS
2 PLCS
(.125 - .200)
MAX
.40
.710
±0.015
1
4
5
8
0.600
0.11
0.37
1A
2A
±0.015
0.86 MAX
0.85 MAX
.72
±0.015
±0.005