Siemens AC-21, AC-21A, AC-3

7/50 Siemens LV 10 · 2004

Fuses and Fuse Systems

Notes

Contents

Main Switch Disconnectors and Fuses Siemens LV 10 2004 Switch Disconnectors and Fuses Overview SENTRIC LD main control and EMERGENCY-STOP switches from 16 A to 125 A I Switch Disconnectors and Fuses SENTRIC I Siemens LV 10 2004 Auxiliary switches SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A Front mounting Main control and EMERGENCY-STOP switch with rotary operating mechanism SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A Main control and EMERGENCY-STOP switch with rotary operating mechanism 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 Mounting in distribution boards ON/OFF and EMERGENCY-STOP switches with masking plate and se- lector switch Main control and EMERGENCY-STOP switches Main control and EMERGENCY-STOP switches Lockable in 0 position with max. 3 padlocks IP65 degree of protection at the front Main control and EMERGENCY-STOP switches with rotary operating mechanism IP65 degree of protection Selector switch with knob mechanism, knob not lockable Black actuator Siemens LV 10 2004 For front mounting For front and base mounting For base mounting and for distribution board mounting For mounting on the front For front and base mounting For base mounting and for distribution board mounting Page Page Base mounting 3-pole for motor loads 3-pole for power distribution 4-pole1) for power distribution Page Page SENTRIC NP fuse switch disconnectors Auxiliary switches Page Page Siemens LV 10 2004 For power distribution Selection and ordering data For surface mounting and for installation For snapping onto busbars, 40 mm busbar center-line spacing For snapping onto busbars, 60 mm busbar center-line spacing Page requirements of IEC60947-1, IEC60 947-3 and VDE0660 Par t 107. Page Surface and flush mounting Selection and ordering data 3-pole for LV HRC fuses 4-pole for LV HRC fuses 3-pole for fuses to BS 88 Surface and flush mounting 3-pole for LV HRC fuses 4-pole for LV HRC fuses 3-pole for fuses to BS 88 4-pole for fuses to BS 88 Page Page Applications Fuse systems Sizes Operational classes Planning, characteristics Page For 3NP fuse switch disconnectors For SENTRIC 3KL5, 3KL6 and 3KM5 switch disconnectors with fuses For SENTRIC 3NP fuse switch disconnectors For SENTRIC 3KL5, 3KL6 and 3KM5 switch disconnectors with fuses NEOZED fuse disconnectors MINIZED switch disconnectors NEOZED bases Mounting components for MINIZED DO2 switch disconnectors Mounting components for NEOZED fuses Busbars End caps Terminals for busbars NEOZED screw caps NEOZED fuse links NDz, DII, DIII AC/DC 500 V Snap-on mounting DIAZED bases DIAZED cover rings DIAZED busbars DIAZED guide screws for DIAZED and SILIZED fuse link DIAZED screw caps DIAZED fuse links SILIZED fuse links LV HRC fuse bases LV HRC contact covers LV HRC barriers Mounting components for LV HRC fuses LV HRC fuse links with integrated indicator Duty class gL/gG for cable and line protection LV HRC fuses with combination indicator Operational class gL/gG, for cable and line protection Characteristics are available on the Internet at Further variants are available on request! LV HRC fuses with combination indicator Page Page LV HRC fuse links Operational class aM, for switchgear protection in the short-circuit range Page Cylindrical fuses Base for cylindrical fuses, draw-out version, 70 mm mounting depth Cylindrical fuses