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Basic Circuit Diagram Dimension drawing

Discharge capacity up to 100kA (10/350us)

Total current arrester specifically designed for installation in"3+1" and "1+1" circuits of TT systems according toIEC 60364-5-53 between neutral conductor N and protectiveconductor PE

Creepage discharge spark gap technology

Operating state / fault indication by green / red indicator flag inthe inspection window

Coordinated and modular single-pole N-PE SPD for Uc=255V; with remote signalling contact formonitoring system (floating changeover contact).

CAT.No.EN-AS-04 `17.08

Class (TYPE1) SPD(GDT) LD-PNP25100S

[Fixing]

Installing the fixing base

Connection

Fix detent

Push into

LD-PNP25100S

After positioning the fixingbase on DIN rail, pull theslider of the fixing base andpush the fixing base into DINrail. Release the slider,locking the fixing base on tothe rail.

Fix the detent to DINrail and push into sliderside of fixing base

Deterioration contact terminal

Protection of monitoring device

Installation example is shown in above diagram. Ifmonitoring device is far from the SPDs, install the SPDadjacent to the monitoring device to protect it from thelightning surge that invades from signal line.

Regular maintenance

During the lightning season and after lightning strikes, maintain the SPD asfollows.Before maintenance, switch off the isolating switch for inspection (or EarthLeakage Current Breaker (ELCB) ) on the electric input side of the SPD.

Pass criteria for SPDReplace the SPD main unit if the SPD is under follow condition.(If the fixing base has also changed color or shape, replace the fixing base.)

Appearance check

The plastic housing has changed color or shape.

Status indicator color.

After status indicator change red, the SPD cannot be reused.

Leakage current check

Earth Leakage Circuit Breaker (ELCB) has operated any times. (After replacing

SPD, confirm the ELCB has no operation.)

LD-PNP25100S

LD-PNP25100S

red

Statusindicato