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Earth-leakage protection relay EL731 series
1 NO/NCAC/DCdigital

earth-leakage protection relay
earth-leakage protection relay
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Characteristics

Measured/monitored value
earth-leakage
Contact configuration
1 NO/NC
Network
AC/DC
Other characteristics
digital, programmable, high-sensitivity, panel-mount
Trigger voltage

24 V, 48 V, 120 V, 240 V

Description

EL731 is an AC/DC sensitive earth-leakage relay that offers complete coverage for all frequencies, with values between 0 and 6,000Hz. In addition to this, users will require two CTs for the entire frequency range, or, alternatively, one CT for low- to high-frequency detection. Note that an RTD/PTC sensor input is also provided, allowing for over-temperature protection. EL731 also offers metering capabilities, along with trip settings and a password protected alarm, along with optional network communications. The product is also used to add low-level ground-fault protection to variable-speed drives, and can be connected to a network using a standard Ethernet patch cable. The use of a crossover cable can apply for connecting the EL731 directly to a computer running IP-configuration, but this action is not recommended. An IP address is assigned to all computers running DHCP by a typical router, but the EL731 does not support the use of DHCP.

Catalogs

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.