Siemens AC-21 - User Manual

Siemens AC-21

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Table of Contents:

  • Page 2 – Switch Disconnectors and Fuses; Introduction; Overview
  • Page 3 – SENTRIC
  • Page 4 – SENTRIC Switch Disconnectors; General data; Technical specifications; Auxiliary switches
  • Page 5 – Front mounting; Area of application
  • Page 6 – • IP65 degree of protection at the front; Selector switch with knob mechanism, knob cannot be locked; • black actuator, IP65 degree of protection at the front
  • Page 7 – Mounting in distribution boards
  • Page 8 – Molded-plastic enclosures; Main control and EMERGENCY-STOP switches
  • Page 9 – Selector switch with knob mechanism, knob not lockable
  • Page 10 – Accessories; Selection and ordering data; For front mounting
  • Page 11 – For mounting on the front
  • Page 12 – SENTRIC K Switch Disconnectors from 63 A to 1000 A
  • Page 14 – Base mounting; -pole for motor loads
  • Page 15 – Benefits; • Lockable with 3 padlocks
  • Page 17 – SENTRIC NP Fuse Switch Disconnectors; SENTRIC NP size NH 000; SENTRIC NP fuse switch disconnectors; Design
  • Page 20 – For power distribution; For surface mounting and for installation
  • Page 22 – SENTRIC KL Switch Disconnectors with Fuses
  • Page 24 – Surface and flush mounting; -pole for LV HRC fuses
  • Page 27 – Circuit diagrams; Internal circuit diagram for SENTRIC KL
  • Page 28 – Fuses and Fuse Systems; Applications; NEOZED; and; DIAZED; Sizes
  • Page 29 – For SENTRIC 3NP fuse switch disconnectors
  • Page 30 – For 3NP fuse switch disconnectors
  • Page 32 – Further information; Further combinations are available on request!; For SENTRIC 3KL5, 3KL6 and 3KM5 switch disconnectors with fuses
  • Page 33 – NEOZED fuses; NEOZED fuse disconnectors
  • Page 34 – Mounting components for MINIZED DO2 switch disconnectors; Mounting components for NEOZED fuses; Busbars
  • Page 35 – End caps
  • Page 36 – DIAZED fuses; DIAZED bases
  • Page 37 – DIAZED screw caps
  • Page 38 – DIAZED fuse links
  • Page 39 – LV HRC fuses; LV HRC fuse bases; LV HRC contact covers
  • Page 40 – Mounting components for LV HRC fuses
  • Page 43 – Further variants are available on request!
  • Page 48 – Cylindrical fuses; Base for cylindrical fuses, draw-out version, 70 mm mounting depth
  • Page 50 – Notes
Loading the manual

Siemens LV 10 · 2004

7/2

Introduction

SENTRIC switch disconnectors

SENTRIC LD main control and
EMERGENCY-STOP switches from
16 A to 125 A

7/4

General data

7/5

Front mounting

7/7

Mounting in distribution boards

7/8

Molded-plastic enclosures

7/10

Accessories

SENTRIC K
switch disconnectors from 63 A to
1000 A

7/12

General data

7/14

Base mounting

7/15

Molded-plastic enclosures

7/16

Accessories

SENTRIC NP fuse switch disconnec-
tors

7/17

General data

7/20

For power distribution

7/21

Accessories

SENTRIC KL switch disconnectors
with fuses

7/22

General data

7/24

Surface and flush mounting

7/26

Accessories

Fuses and fuse systems

7/28

Introduction

7/29

SITOR semiconductor protection fuses

7/33

NEOZED fuses

7/36

DIAZED fuses

7/39

LV HRC fuses

7/48

Cylindrical fuses

Switch Disconnectors and
Fuses

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Summary

Page 2 - Switch Disconnectors and Fuses; Introduction; Overview

Siemens LV 10 · 2004 7/2 Switch Disconnectors and Fuses Introduction 7 ■ Overview Type 3LD20 3LD21 3LD22 3LD25 3LD27 3LD28 SENTRIC LD main control and EMERGENCY-STOP switches from 16 A to 125 A Rated uninterrupted current I U at 35 °C ambient temperature A 16 25 32 63 100 125 Rated operating voltage...

Page 3 - SENTRIC

Siemens LV 10 · 2004 7/3 Switch Disconnectors and Fuses Introduction 7 Type 3NP 3K SENTRIC Rated uninterrupted current I U at 35 °C ambient temperature A 160 ... 630 63 ... 1000 Rated operating voltage U e V 690 690 AC-21 at 400 V ✓ ✓ at 500 V ✓ ✓ at 690 V ✓ ✓ AC-22 at 400 V ✓ ✓ at 500 V ✓ ✓ at 690 ...

Page 4 - SENTRIC Switch Disconnectors; General data; Technical specifications; Auxiliary switches

Siemens LV 10 · 2004 7/4 SENTRIC Switch Disconnectors General data SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A 7 ■ Technical specifications 1) With appropriate operating mechanisms according to DIN VDE 0113 (see selection and ordering data). Standards DIN VDE 0660, IEC 609...

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