TG30S 3 Phase Failure Loss Protection Sequence Relay TL-2238 Electronic Protection Protect Relay
Phase Failure Relay adalah sebuah Relay atau komponen yang sering digunakan untuk mengawasi perubahan kondisi tegangan listrik 3 fasa yang bekerja pada suatu rangkaian listrik.Prinsip kerja atau cara kerja alat ini akan berkerja pada saat ada salah satu fasa tidak ada tegangannya atau fasa R S T terbalik.Maka kontak NO,NC dari alat ini akan berkerja.semisal yang anda pasang adalah no maka akan menutup dan sebaliknya.
Characteristics of working
1. If the connection of L1, L2 and L3 phases are right, the green light of the relay illuminates and the relay closes. If they are wrong, the yellow light of the relay illuminates. Exchanging any two of them, the relay will accept the phase sequence and begin to work normally. In this case that there occurs yellow light illuminated and relay unclosed after the protected equipment works normally, it should be a wrong connection of external circuit. The relay has a function of protection against wrong connection.
2. While any of these L1, L2 and L3 phases is Na phase, the red light is lighted with the unlighted green light and the released relay. While the voltage come back to normal, it will recover immediately with lighted green light and closed relay.
3. L1, L2 and L3 connect with three phase AC. NO, COM are normally open contact point and NC, COM are normally closed contact point. Use lead to connect terminal directly.
Item Description:
1. Type : TG30S
2. Input Freqwency : 50/60Hz
3.Insulation Resistance : 20 MOhm min
4. Between external Terminal and Case
5. Between input terminals and output terminals
6. Dielectrix srength : 2,000VAC for one minute
7. Between external Terminal and Case
8. Between input terminals and output
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