Littelfuse SE-134C and SE-135 Ground Fault Monitor
The Littelfuse SE-134C/SE-135 is a microprocessor-based, combination ground-wire monitor and ground-fault relay for resistance-grounded or solidly grounded systems. It continuously monitors the integrity of the ground conductor to protect portable equipment from hazardous voltages caused by ground faults. The Littelfuse SE-134C/SE-135 is field proven in monitoring trailing cables on large mobile equipment such as drag-lines, mining shovels, shore-to-ship power cables, dock-side cranes, stacker-reclaimers, submersible pumps, and portable conveyors.
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Features & Benefits
Adjustable pickup (0.5 - 12.5 A for SE-CS10)(2 - 50 A for SE-CS40)
Unit can be used on a wide variety of trailing cable applications
Adjustable time delay(0.1 - 2.5 s)
Adjustable trip delay for quick protection and system coordination
Output contacts
Separate annunciation of ground-fault and ground-check faults
Ground-check LED indication
Indication of open or short ground-check wire makes it easier to find faults
CT-loop monitoring
Alarms when CT is not connected
High-induced-ac rejection
Makes unit suitable for applications with high voltages and long cables
DFT (Harmonic) filter
Prevents false operation
Zener-characteristic termination assembly
Provides reliable ground-check loop verification
Fail-safe circuits
Ensures ground-check and ground-fault circuits remain safe even in the event of equipment failure
Conformal coating
Additional coating protects circuit boards against harsh environment
XGC option
Increases maximum cable length for ground-check monitoring (10 km typical)
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| Littelfuse Ground Fault Check Monitor | - SE-134C & SE-135
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Specifications
IEEE Device Numbers Checking or Interlocking Relay (3GC), Ground fault (50G/N, 51G/N)
Input Voltage 65-265 V ac; 85-275 V dc; 18-72 V dc
Dimensions H 213 mm (8.4"); W 99 mm (3.9"); D 132 mm (5.2");
Trip Level Settings 0.5-12.5 A for SE-CS10, 2 - 50 A for SE-CS40
Trip Time Settings 0.1-2.5 s
Contact Operating Mode Selectable fail-safe or non-fail-safe
Harmonic Filtering Standard feature
Test Button Standard feature
Reset Button Standard feature
Output Contacts Isolated Form A and Form B, Two Form C
Approvals CSA certified, UL Listed (E340889), RCM (Australia)(3), CE(3)
Conformally Coated Standard feature
Warranty 5 years
Mounting Panel, Surface
GC Trip Resistance 28 Ω (Standard), 45Ω (XGC Option)
Accessories
SE-CS10 or SE-CS40 Series Ground-Fault Current Transformer
Required zero-sequence current transformer detects ground-fault current.
SE-TA6A Series, SE-TA12A Series Termination Assembly
Required termination assembly; temperature compensated.
Part Numbers:
Littelfuse SE-134C00 120/240 AC/DC
Littelfuse SE-134C10 24/48 VDC
Littelfuse SE-134CXGC00 120/240 AC/DC
Littelfuse SE-134CXGC10 24/48 VDC
Littelfuse SE-13500 120/240 AC/DC
Littelfuse SE-135XGC00 120/240 AC/DCLittelfuse SE-13503 120/240 AC/DC & Ethernet
Littelfuse SE-135XGC03 120/240 AC/DC & Ethernet
Littelfuse SE-13510 24/48 VDC
Littelfuse SE-135XGC10 24/48 VDCLittelfuse SE-13513 24/48 VDC & Ethernet
Littelfuse SE-135XGC13 24/48 VDC & Ethernet
To get a quote, please click HERE!
Sords Electric
216-765-4230
Littelfuse SE-134C...Littelfuse SE-135...Littelfuse SE-134C...Littelfuse SE-135
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