Reliable Type 2 AC Surge Protection for Low-Voltage Systems
LY1-C40/4(S) is a Type 2 AC surge protective device designed for low-voltage AC distribution systems. It helps limit transient overvoltage and protect electrical equipment in power cabinets, distribution boards, industrial control systems, and commercial electrical installations.
Type 2 AC SPD for low-voltage distribution protection
20kA nominal discharge current and 40kA maximum discharge current
Available with optional remote signalling contact for status monitoring
35mm DIN-rail mounting for quick installation in electrical panels
Aplikasi Yang Sesuai
LY1-C40/4(S) is suitable for AC power systems where surge protection is required for distribution equipment, electrical panels, and sensitive loads.
AC Distribution Boards
For protecting low-voltage AC distribution boards from transient surge events.
Power Cabinets
Suitable for installation in industrial power cabinets and control panels.
Gedung Komersial
Helps protect commercial electrical systems, office buildings, and facility power distribution.
Solar AC Side Protection
Can be used in AC-side protection panels where the selected voltage and system design match the SPD rating.
FAQ
Common questions about LY1-C40/4(S) AC surge protective device selection and application.
Jenis perlindungan lonjakan apa yang disediakan oleh LY1-C40/4(S)?
LY1-C40/4(S) adalah perangkat pelindung lonjakan AC Tipe 2 yang dirancang untuk sistem AC tegangan rendah. Ini membantu membatasi kelebihan tegangan transien dan melindungi peralatan listrik yang berada di hilir.
Opsi tegangan apa yang tersedia?
Opsi tegangan yang tersedia meliputi 75V, 150V, 275V, 320V, 385V, dan 440V AC. Rating tegangan yang benar harus dipilih sesuai dengan tegangan sistem dan kebutuhan perlindungan.
Apa rating arus keluarnya?
Arus pelepasan nominal In adalah 20kA dan arus pelepasan maksimum Imax adalah 40kA, diuji dengan bentuk gelombang lonjakan 8/20μs.
Apakah model ini mendukung sinyal jarak jauh?
Yes. The “S” version includes a floating remote signalling contact for status indication. Models without “S” do not include remote signalling contact.
Can LY1-C40/4(S) be mounted on a DIN rail?
Yes. LY1-C40/4(S) is designed for standard 35mm DIN-rail mounting, making it suitable for distribution boards, cabinets, and electrical panels.
Apa yang harus dikonfirmasi sebelum memesan?
Please confirm system voltage, pole number, protection mode, remote signalling requirement, installation space, backup fuse, and applicable standard before ordering.












