EL731

EL731 MANUAL AC/DC SENSITIVE EARTH-LEAKAGE RELAY February 28, 2012 REVISION 2 www.DataSheet.co.kr Copyright © 2012 by Littelfuse Startco All rights reserved. Publication: EL731 Document: S95-P401-00001 Printed in Canada. Datasheet pdf - http://www.DataSheet4U.net/ Factory default password is 1111 New Password See Section 3.2.4. www.DataSheet.co.kr Pub. EL731, February 28, 2012 Datasheet pdf - http://www.DataSheet4U.net/ EL731 AC/DC Sensitive Earth-Leakage Relay Page i Rev. 2 TABLE OF CONTENTS PAGE Introduction ................................................................... 1 1.1 General .................................................................... 1 1.2 EL731 Features ....................................................... 1 1.2.1 Metering.......................................................... 1 1.2.2 Data Logging .................................................. 1 1.2.3 Inputs and Outputs ......................................... 1 1.2.4 Operator Interface .......................................... 1 1.2.5 Communications Interface ............................. 1 2. Installation ..................................................................... 2 2.1 System Wiring......................................................... 2 2.1.1 Supply Voltage ............................................... 2 2.1.2 Current Transformer Connections ................. 2 2.1.3 Analog Output ................................................ 2 2.1.4 PTC or RTD Input.............