The EL731 AC-DC sensitive earth-leakage relay can detect ground currents down to 0 Hz, even in resistance-grounded electrical systems. Suitable for use with AC, mixed AC-DC, and DC systems, including ...
Littelfuse, Inc. announced its new EL731 AC/DC Sensitive Earth-Leakage Relay, which can detect ground currents, even in resistance-grounded electrical systems,all the way down to 0 Hz. Littelfuse, Inc ...
A range of manufacturing and production processes rely on current-operated relays to provide a continuously adjustable trip-current setting. They are able to protect mechanical apparatus from jam-up ...
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