SE-105 Series - Ground-Fault Ground-Check Monitor

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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.

The SE-105/SE-107 is a combination ground-wire monitor and ground-fault relay for resistance-grounded systems. It continuously monitors the integrity of the ground conductor to protect portable equipment from hazardous voltages caused by ground faults. The SE-105/SE-107 is an excellent choice for trailing cables 5 kV and under in underground mining applications. For higher voltages or long-cable applications, see the SE-134C/SE-135.

FEATURES

BENEFITS

Adjustable pickup
(0.5, 2.0, 4.0 A)

Unit can be used on a wide variety of trailing cable applications

Adjustable time delay
(0.1 - 2.0 s)

Adjustable trip delay for quick protection and system coordination

Harmonic filter

Prevents false operation

Zener-characteristic termination assembly

Provides reliable ground-check loop verification

Fail-safe ground-check circuit

Ensures ground-check circuit remains safe even in the event of equipment failure

Conformal coating

Additional coating protects circuit boards against harsh environment

SE-105: selectable UV- or shunt-trip mode

Provides flexibility for different applications

SE-107: UV-trip mode only

Eliminates chance of unauthorized change to trip circuit

Access specifications, certifications, check availability and order parts below

Catalog #Supply
Voltage
VAC
Supply
Voltage
VDC
Relay Contacts ConfigIEEE Device NumbersRelay
Contact
Operating
DimensionsWeight (lbs/g)Auto Manual ResetConformally coatedFrequencyGF Trip Level AGF Trip Time sHarmonic FilteringReset TypeSystem typeCompare
SE-1051201 Form A (N.O.)3GC - 50G - 50N - 51G - 51NFail-safe / Non Fail-safe5.9 H x 4.3 W x 3.9 D in.0 KgAutoreset GC; Latching GFStandard50; 60; ASD0.5; 2.0; 4.00.1 - 2.0StandardFront-panel switch/Remote N.O. ContactResistance Grounded AC
SE-105D1201201 Form A (N.O.)3GC - 50G - 50N - 51G - 51NFail-safe / Non Fail-safe5.9 H x 4.3 W x 3.9 D in.0 KgAutoreset GC; Latching GFStandard50; 60; ASD0.5; 2.0; 4.00.1 - 2.0StandardFront-panel switch/Remote N.O. ContactResistance Grounded AC
SE-105DL1201201 Form A (N.O.)3GC - 50G - 50N - 51G - 51NFail-safe / Non Fail-safe5.9 H x 4.3 W x 3.9 D in.0 KgLatching GC; Latching GFStandard50; 60; ASD0.5; 2.0; 4.00.1 - 2.0StandardFront-panel switch/Remote N.O. ContactResistance Grounded AC
SE-105E2401 Form A (N.O.)3GC - 50G - 50N - 51G - 51NFail-safe / Non Fail-safe5.9 H x 4.3 W x 3.9 D in.0 KgAutoreset GC; Latching GFStandard50; 60; ASD0.5; 2.0; 4.00.1 - 2.0StandardFront-panel switch/Remote N.O. ContactResistance Grounded AC
SE-105L1201 Form A (N.O.)3GC - 50G - 50N - 51G - 51NFail-safe / Non Fail-safe5.9 H x 4.3 W x 3.9 D in.0 KgLatching GC; Latching GFStandard50; 60; ASD0.5; 2.0; 4.00.1 - 2.0StandardFront-panel switch/Remote N.O. ContactResistance Grounded AC
SE-105EL
Obsolete: 2020 -10-07
2401 Form A (N.O.)3GC - 50G - 50N - 51G - 51NFail-safe / Non Fail-safe5.9 H x 4.3 W x 3.9 D in.0 KgLatching GC; Latching GFStandard50; 60; ASD0.5; 2.0; 4.00.1 - 2.0StandardFront-panel switch/Remote N.O. ContactResistance Grounded AC

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Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
SE-105E GF-GC Monitor c/w 1N5339B term 240VAC RoHS No 05/03/2021 PbFree No 05/03/2021 CoC_RoHS9_SE-105E REACH197_Declaration_(Contain)_SE-105E
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