Switch Disconnectors

Switch Disconnectors

3NJ62 In-Line Switch Disconnectors with Fuses up to 630 A

Introduction

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Siemens LV 10 · 2014

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Overview

3NJ62 switch disconnectors with fuses

All key product features at a glance

• In-line design

• Type-tested according to IEC EN 60947-3

• Voltage levels up to 690 V AC/440 V DC

• 160 A to 630 A for LV HRC and BS 88 fuse links, according to

IEC 60269-1/EN 60269-1

• 2-, 3- and 4-pole versions available

• 185 mm phase center distance of plug-in contacts

• Manually operated or with motorized operating mechanism

• Electronic fuse monitoring (EFM)

• Developed for switchgear in plug-in design

• Horizontal or vertical mounting position

• Front panel locked in ON position

• Degree of protection IP41

Overview of all components and accessory parts

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3NJ62 switch disconnector basic device

here in size 00, open, without front cover

Manual operating mechanism

Motorized operating mechanism

Connection module

Blanking cover

Guide rails

Busbar cover

Contact extension

Current transformer

Current transformer bar

Connection terminals

Stud terminal

Terminal cover

Multifunction plug

Holder for measuring device with electronic fuse monotoring (EFM 10)

Holder for measuring device with electronic fuse monotoring (EFM 20/25)

Holder for measuring device without EFM

Bimetal current measuring device

Moving-iron current measuring device

BS fuse

LV MRC fuse

Auxiliary switch