SE-105, se-107 series ground-fault ground-check monitor description 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. specifcations ieee d evice numbers checking or interlocking relay (3gc), ground fault (50g/n, 51g/n) input voltage see ordering information dimensions h 150 mm (5.9); w 109 mm (4.3); d 100 mm (4.0) trip level settings 0.5, 2.0, 4.0 a trip time settings 0.1 -1.0 s contact operating mode selectable fail-safe or non-fail-safe (SE-105) fail-safe only (se-107) harmonic filtering standard feature reset button local and remote output contacts isolated form a approvals csa certifed, ul listed (e340889) , c-tick (australian) conformally coated standard feature warranty 5 years mounting surface ordering number control power SE-105 120 vac SE-105d 120 vac/vdc SE-105e 240 vac se-107 120 vac se-107d 120 vac/vdc se-107e 240 vac ordering information consult manual online for additional ordering options. simplifed circuit diagram ct200 series current transformer required ct detects ground-fault current. 1n5339b termination device 5 w axial-lead ground-check termination ; included with SE-105/se-107. se-ta6 termination assembly optional termination assembly with convenient terminals and mounting holes se-ta6-sm stud-mount termination assembly optional 50 w ground-check termination that is robust and compact for submersible pumps. wire lead simplifies installation. accessories a b trailing cable ct l2 l1 termina tion device a g gc c b grounded supply m SE-105 series se-107 series (ground-fault ground-check monitor) b 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 flter prevents false operation zener-characteristic termination assembly provides reliable ground-check loop verifcation 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: s electable uv- or shunt-trip mode provides flexibility for different applications se-107: uv-trip mode only eliminates chance of unauthorized change to trip circuit features & benefts accessories requirement ct200 series required 1n5339b included se-ta6, se-ta6-sm optional se-ta6a series optional rk-102, rk-105, rk-105i optional rk-13 optional ppi-600v optional a trailing cable protectionCground-fault ground-check monitoring littelfuse.com/SE-105, littelfuse.com/se-107 rev: 4-b-102214 SE-105 based on manual rev: 13-d-050315 se-107 based on manual rev: 5-c-050715 protection relays & controls ? 2015 littelfuse protection relays & controls
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