LEM APR 400 B420L, Split Core AC Current Sensor, selectable 200, 300, 400 Amp, True RMS 4-20mA output, Infinite Overload Capability

Compact and versatile Split Core AC current sensor, selectable 200, 300, 400 Amp True RMS 4-20mA output

Features

• Split Core
• True RMS output
• 4-20mA current output
• Busbar, or Din Rail
• Isolated plastic case recognised according to UL94-V0

Advantages

• Large aperture for busbar/cable up to 18.5mm x 18.5mm
• High isolation between primary and secondary circuits
• Easy installation
• DIN Rail Mount

Applications

-Automation Systems

Analogue current reading for remote monitoring (e.g. Motor)

-Data Loggers

Self Powered. Will not drain data logger batteries

-Panel Meters

Simple connection displays power consumption

Specification

LEM Part Number	APR 400 B420L
Technology	AC Current Transformer with Process Output
ROHS	Yes
Supply Voltage	24VDC @ 30mA
Nominal Current (RMS + DC)	200,300,400 Amp Selectable
Overload	Infinite
Output	4-20mA True RMS
Isolation	5kV (AC, 50Hz, 1 min)
Bandwidth	30-2000Hz
Mounting Style	Din Rail mount or Busbar mount
Operating Temperature Range	-40°C / 85°C
Accuracy	1%
Termination Style	Spring Terminal Block (Female Included)
Unit Weight	90g
Factory Pack Qty	6

Datasheet

• Product Datasheet

Application Notes

• LEM Applications Manual 3rd Edition