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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/...
Rev. 2 ABLE OF ONTENTS IST OF IGURES EL731 Outline and Mounting Details ......3 Introduction ..............1 AC700-SMK Outline and Mounting Details ....4 1.1 General ..............1 Panel and Surface Mounting Connections ....4 1.2 EL731 Features ............1 Connection Diagram ............
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AC Earth-Leakage Current Transformer (CT2) 1.1 G ENERAL AC/DC Earth-leakage Current Transformer (CT1) The EL731 is a microprocessor-based earth-leakage Remote Reset Input (one shot operation) relay for AC, DC, combined AC/DC, and variable- Network Communications (Ethernet/IP – Optional) frequency power circuits supplied by solidly or ...
Outline and details for panel-mounting an EL731 are connection is shown in Fig. 4. The analog output is shown in Fig. 1. Insert the EL731 through the cutout and isolated to 120 Vac from all other EL731 terminals. slip the panel-mount clamp over the EL731 body. Slide the panel-mount clamp forward to engage the latch tabs 2.1.4 PTC...
The ENTER key is used to select menu items and to Green, flashing On-line, no connections choose settings. established All EL731 settings can be accessed using the EL731 Duplicate IP address, menu system or the optional network communications FATAL error interface. In the following sections, menu items and...
The Calibrate menu applies to CT1 (0 to 100 Hz). When energized) or non-fail-safe (normally de-energized). CT1 is used, the EL731 must be calibrated after The Test function performs a test of the specified installation, with CT1 connected and power removed from relay’s operation.
Menu: Setup | System Config | Change Password Menu: Setup | System Config | Password Enable Used to enable and change the EL731 password (four- character numeric field). When enabled, the password must be entered to change a set point.
Page 12 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 68.0 68.0 (2.68) (2.68) 17.0 34.0 (0.67) (1.34) M4 OR 8-32 TAP M5 SCREWS MOUNTING DETAIL 26.5 25.0 (0.98) (1.04) E F C T- 1 E A R T H FA U LT C T...
EMORY PDATE CT1 and CT2 have independent Trip and Alarm The EL731 control program is stored in flash memory. current-level and time-delay set points and independent This allows field upgrades to be made through the metering. This enables different protection levels and upgrade module (optional).
Window Diameter ....82 mm (3.2") an EL731 that is determined by Littelfuse Startco to be Shipping Weight ....900 g (2.0 lb) defective if it is returned to the factory, freight prepaid, within the warranty period.
ESULTS 10% of the SE-400 setting. Set the test current to 120% of the EL731 setting. Inject the test current through the current-sensor window. Verify that the circuit under test has reacted properly. Correct any problems and re-test until the proper reaction is verified.
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Page 18 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 Menu Level PPENDIX EL731 M Earth Leakage Current {CT1 and/or CT2 current in percent as value and bar graph} Metering CT1 Current {CT1 Current in Milliamperes} CT2 Current {CT2 Current in Milliamperes} Full Current...