SE-703 Series - Earth-Leakage Monitor

Series: SE-703
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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

Operates on AC solidly grounded and AC resistance grounded systems.
The SE-703 is a microprocessor-based ground-fault relay for resistance and solidly-earthed systems. It offers sensitive ground-fault detection as low as 25 mA and can be used on systems with significant harmonic content. The SE-703 provides feeder-level protection or individual-load protection. The output contacts can be connected for use in protective tripping circuits or in alarm indication circuits. The analog output can be used with a PLC or a meter. The SE-703 is specifically designed to be Australian AS/NZS 2081 compliant.

Product Literature

For Technical Questions

Call +1 800-832-3873 or email us at relays@littelfuse.com 

Access specifications, certifications, check availability and order parts below

Catalog #Supply
Voltage
VAC		Supply
Voltage
VDC		Relay Contacts ConfigAnalog Output Voltage VIEEE Device NumbersRelay
Contact
Operating		DimensionsWeight (lbs/g)Auto Manual ResetConformally coatedCT Loop MonitoringFrequencyGF Trip Level AGF Trip Level Range pctGF Trip Time sSamplesCompare
SE-703-03-00242 Form C0 - 5 V50G - 50N - 51G - 51NFail-safe3 H x 2.2 W x 4.5 D in.0 KgLatchingOptionalStandard50; 60; ASDOrder
SE-703-03-02242 Form C0 - 5 V50G - 50N - 51G - 51NFail-safe / Non Fail-safe3 H x 2.2 W x 4.5 D in.0 KgLatchingOptionalStandard50; 60; ASDOrder
SE-703-0D12 - 241 Form A (N.O.); 1 Form B (N.C.)0 - 5 V50G - 50N - 51G - 51NFail-safe3 H x 2.2 W x 4.5 D in.LatchingOptionalStandard50; 60; ASD0.025 - 0.50.05 - 0.5
SE-703-0D-0012 - 242 Form C0 - 5 V50G - 50N - 51G - 51NFail-safe3 H x 2.2 W x 4.5 D in.0 KgLatchingOptionalStandard50; 60; ASDOrder
SE-703-0D-0212 - 242 Form C0 - 5 V50G - 50N - 51G - 51NFail-safe / Non Fail-safe3 H x 2.2 W x 4.5 D in.0 KgLatchingOptionalStandard50; 60; ASDOrder
SE-703-0T481 Form A (N.O.); 1 Form B (N.C.)0 - 5 V50G - 50N - 51G - 51NFail-safe3 H x 2.2 W x 4.5 D in.LatchingOptionalStandard50; 60; ASD1 - 99% of CT-Primary Rating0.5 - 2.5
SE-703-0T-00482 Form C0 - 5 V50G - 50N - 51G - 51NFail-safe3 H x 2.2 W x 4.5 D in.0 KgLatchingOptionalStandard50; 60; ASDOrder
SE-703-0T-02482 Form C0 - 5 V50G - 50N - 51G - 51NFail-safe / Non Fail-safe3 H x 2.2 W x 4.5 D in.0 KgLatchingOptionalStandard50; 60; ASDOrder
SE-703-0U120 / 240120 / 2401 Form A (N.O.); 1 Form B (N.C.)0 - 5 V50G - 50N - 51G - 51NFail-safe3 H x 2.2 W x 4.5 D in.LatchingOptionalStandard50; 60; ASD1 - 99% of CT-Primary Rating0.5 - 2.5
SE-703-0U-00120 / 240120 / 2402 Form C0 - 5 V50G - 50N - 51G - 51NFail-safe3 H x 2.2 W x 4.5 D in.0 KgLatchingOptionalStandard50; 60; ASDOrder
SE-703-0U-02120 / 240120 / 2402 Form C0 - 5 V50G - 50N - 51G - 51NFail-safe / Non Fail-safe3 H x 2.2 W x 4.5 D in.0 KgLatchingOptionalStandard50; 60; ASDOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
SE-703-0U-02 EARTH-LEAKAGE MON UNIVERSAL 2FORMC RoHS No 04/22/2021 PbFree No 04/22/2021 CoC_RoHS9_SE-703-0U-02 REACH197_Declaration_(Contain)_SE-703-0U-02 Yes
04/22/2021		 Contains
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