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Posted: 2021-12-13 07:09 PM
The letters LSIG signify the type of protection and available adjustments on certain trip units.
LSIG = Long-time + Short-time + Instantaneous + Equipment Ground-fault Protection.
Pak @Dwinanto_Setyadi @HendySE @sesa23155 jika ada yang mau ditambahkan.
Posted: 2022-04-22 06:20 AM
Hi, guys.
Are Inverse time circuit breakers also known as thermal-magnetic circuit breakers?
Posted: 2022-04-24 07:23 PM
Breaker dengan LSIG protection digunakan untuk aplikasi dengan kebutuhan diskriminasi total sistem proteksi antar breaker terkait proteksi overload dan short circuit. Sedangkan proteksi arus gangguan tanah menggunakan metode residual netral protection. proteksi arus gangguan tanah ini digunakan untuk proteksi dari potensi kejadian short circuit phase ke ground atau ketidaksetimbangan sistem phase yang mengakibatkan arus mengalir di konduktor netral
Breaker dengan LSIG protection aplikasinya banyak digunakan di panel utama di breaker incoming dimana mendekati sistem penyulang utama. koordinasi proteksi dengan breaker dibawahnya dengan metode diskriminasi
Semoga membantu
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