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AC Protective Device

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LYD-40 Surge Protective Device

LYD-40 Surge Protective Device

LYD-40 Surge Protective Device
Time:2019-11-25 Browse:869

Features · Protecting low-voltage consumers'installations against indirect lightning discharges · High performance varistor with thermaldisconnection tripping device · Plug-in module/base design facilitatereplacement of a failed module withou

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Features

· Protecting low-voltage consumers' installations against indirect lightning discharges

· High performance varistor with thermal disconnection tripping device

· Plug-in module/base design facilitate replacement of a failed module without the need to remove system wiring etc.

· Protection class: Type 2,Class I

· Pole number:4P

· surge areeare used to guard sensitive equipments from voltage spike


Application:

LY1-40 series spark gap power surge protector is designed and manufactured according to IEC61643-11 and GB18802.1 standards. The product has high lightning current discharge capacity, up to 50kA (10 350μS), which can prevent direct lightning strikes and other surge current. This product can be mounted on a standard 35mm DIN rail mounting, it has high safety factor and long service life, it can be applied to single-phase or three-phase power supply in the class I lightning protection of equipment and power system with high lightning risk.


- Class II / Type 2 lightning protective device.
- Consisting of a base part and 4 MOV plug-in protection modules.
- For using in the lightning protection zones concept at boundary 1-2.
- The core parts are metal oxide vristor components with high discharge capacity.
- Low residual voltage and quick response
- Reliable control thanks to Thermo Dynamic Control disconnector.
- With remote signaling contact for control device.
- Fault indication via red mark in the inspection window.
- Protection mode: L/N-PE.


Technology characteristic



Product characteristics

Specification

LY1-40

Item name

Surge protection

SPD dassification according to EN61643-11

Type 2

power system

TT-TN-IT

Nominal voltage

220/380V

Max. continuous operating a.c. voltage  Uc

275/320/385V

Norminal discharge current (8/20μs)   In

20kA

Max. discharge current8/20us       Imax

40kA

Voltage protection level                UP

1.3/1.5/1.8 kV

Remote communication alarm

selectable

Operating state/ fault indication

green/ red

Cross-section area

4-35mm2

For mounting on

35mm Din rail

Degree of protection

IP20

Operating temperature range         Tu

-40~70

Enclosure material

Thermal plastic UL94-V0

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