SE-105 Series - Trailing Cable Protection Protection Relays from Protection Relays and Controls

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

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.

Product Literature

For Technical Questions

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

Features and Benefits

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 Config	IEEE Device Numbers	Relay Contact Operating	Dimensions	Weight (lbs/g)	Auto Manual Reset	Conformally coated	Frequency	GF Trip Level A	GF Trip Time s	Harmonic Filtering	Reset Type	System type

SE-105	120		1 Form A (N.O.)	3GC - 50G - 50N - 51G - 51N	Fail-safe / Non Fail-safe	5.9 H x 4.3 W x 3.9 D in.	0 Kg	Autoreset GC; Latching GF	Standard	50; 60; ASD	0.5; 2.0; 4.0	0.1 - 2.0	Standard	Front-panel switch/Remote N.O. Contact	Resistance Grounded AC
SE-105D	120	120	1 Form A (N.O.)	3GC - 50G - 50N - 51G - 51N	Fail-safe / Non Fail-safe	5.9 H x 4.3 W x 3.9 D in.	0 Kg	Autoreset GC; Latching GF	Standard	50; 60; ASD	0.5; 2.0; 4.0	0.1 - 2.0	Standard	Front-panel switch/Remote N.O. Contact	Resistance Grounded AC
SE-105DL	120	120	1 Form A (N.O.)	3GC - 50G - 50N - 51G - 51N	Fail-safe / Non Fail-safe	5.9 H x 4.3 W x 3.9 D in.	0 Kg	Latching GC; Latching GF	Standard	50; 60; ASD	0.5; 2.0; 4.0	0.1 - 2.0	Standard	Front-panel switch/Remote N.O. Contact	Resistance Grounded AC
SE-105E	240		1 Form A (N.O.)	3GC - 50G - 50N - 51G - 51N	Fail-safe / Non Fail-safe	5.9 H x 4.3 W x 3.9 D in.	0 Kg	Autoreset GC; Latching GF	Standard	50; 60; ASD	0.5; 2.0; 4.0	0.1 - 2.0	Standard	Front-panel switch/Remote N.O. Contact	Resistance Grounded AC
SE-105EL	240		1 Form A (N.O.)	3GC - 50G - 50N - 51G - 51N	Fail-safe / Non Fail-safe	5.9 H x 4.3 W x 3.9 D in.	0 Kg	Latching GC; Latching GF	Standard	50; 60; ASD	0.5; 2.0; 4.0	0.1 - 2.0	Standard	Front-panel switch/Remote N.O. Contact	Resistance Grounded AC
SE-105L	120		1 Form A (N.O.)	3GC - 50G - 50N - 51G - 51N	Fail-safe / Non Fail-safe	5.9 H x 4.3 W x 3.9 D in.	0 Kg	Latching GC; Latching GF	Standard	50; 60; ASD	0.5; 2.0; 4.0	0.1 - 2.0	Standard	Front-panel switch/Remote N.O. Contact	Resistance Grounded AC

	SE-105 Manual The SE-105 is a combination ground-fault and groundcheck monitor for resistance-grounded systems in nonhazardous applications.
	SE-105 Manual French
	RK-105 CAD Drawing
	SE-105 CAD Drawing
	SE-MON GFGC Software
	TN GC-01 SE-105 Termination and Frequency Response
	TN GC-02 SE-105 Theory of Operation
	TN GC-03 SE-105 Settings Record
	TN GC-04 SE-105 Tests
	TN GC-05 GF-GC Monitor Comparison
	TN GC-08 Using GF GC Monitors Load Discrimination
	TN GC-09 Splitter-Box Dual-Cable Monitoring
	TN GC-10 Parallel Path Isolator
	TN GC-12 Ground Check Monitor Induced and Coupled AC Performance
	Protection Relays and Controls Catalog - Mandarin
	SE 105 107 Datasheet