SE-601 DC GROUND-FAULT PROTECTION Technical Note

PublishTime：2022-05-24

●The SE-601 is a microprocessor-based ground-fault monitor for ungrounded dc systems. Ground-fault current is sensed by monitoring a voltage-reference point established with the SE-GRM.
●When there is no ground fault, 12 mA of current will flow through the SE GRM. When a ground fault occurs, ground-fault current will flow through the ground to the SE 601, through internal 25-Ω resistance in the SE-601, to the S terminal, and through the SE GRM to the unfaulted line (refer to Fig. 2). The resistance of the SE-GRM will limit the ground-fault current to a maximum of 25 mA. The SE-601 has a digital-switch selectable ground-fault current trip range from 1 to 20 mA, and a digital-switch selectable trip delay time range of 50 ms to 2.5 s. The SE-601 will trip when the ground-fault current exceeds the selected settings.

Brand of Product：	Littelfuse
Part#：	SE-601 More Part#
Product Category：	ground-fault monitor More
Application：	[ DC GROUND-FAULT PROTECTION ] More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	110818
Version Number：	Rev: 110818
Data Encoding：	TN-GF06
Data Size：	222 KB

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