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...
Page 5 - Front mounting; Area of application
Siemens LV 10 · 2004 7/5 SENTRIC Switch Disconnectors SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A Front mounting 7 ■ Area of application The SENTRIC 3LD2 switches are used for switching main control and auxiliary circuits, but they are also implemented for switch-ing three...
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
Siemens LV 10 · 2004 7/6 SENTRIC Switch Disconnectors Front mounting SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A 7 Number and version of the contacts Rated data at 50 Hz ... 60 Hz 380 V ... 440 V DT Order No. PS* Weight per PU approx. Maincontacts Auxiliarycontacts P / AC-...
Page 7 - Mounting in distribution boards
Siemens LV 10 · 2004 7/7 SENTRIC Switch Disconnectors SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A Mounting in distribution boards 7 1) 4th contact as N-conductor to be ordered separately; see Accessories for base mounting and distribution board mounting. Number and version...
Page 8 - Molded-plastic enclosures; Main control and EMERGENCY-STOP switches
Siemens LV 10 · 2004 7/8 SENTRIC Switch Disconnectors Molded-plastic enclosures SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A 7 1) 4th contact as N-conductor to be ordered separately; see Accessories for base mounting and distribution board mounting. Number and version of co...
Page 9 - Selector switch with knob mechanism, knob not lockable
Siemens LV 10 · 2004 7/9 SENTRIC Switch Disconnectors SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A Molded-plastic enclosures 7 Number and version of contacts Rated data at 50 Hz ... 60 Hz 380 V ... 440 V DT Order No. PS* Weight per PU approx. Maincontacts Auxiliarycontacts ...
Page 10 - Accessories; Selection and ordering data; For front mounting
Siemens LV 10 · 2004 7/10 SENTRIC Switch Disconnectors Accessories SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A 7 ■ Selection and ordering data DT 3LD2 0 PS* Weight per PU approx. DT 3LD2 1 and 3LD2 2 PS* Weight per PU approx. Order No. kg Order No. kg For front mounting 3L...
Page 11 - For mounting on the front
Siemens LV 10 · 2004 7/11 SENTRIC Switch Disconnectors SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A Accessories 7 DT 3LD2 5 PS* Weight per PU approx. DT 3LD2 7 and 3LD2 8 PS* Weight per PU approx. Order No. Order No. For mounting on the front 3LD9 2.0-0B 3LD9 2.0-2B 4th con...
Page 12 - SENTRIC K Switch Disconnectors from 63 A to 1000 A
Siemens LV 10 · 2004 7/12 SENTRIC Switch Disconnectors General data SENTRIC K Switch Disconnectors from 63 A to 1000 A 7 ■ Technical specifications 1) Technical specifications for CSA approval on request. 2) Configuring note: max. permissible operating temperature at connections 100 °C. 3) With 3KA5...
Page 14 - Base mounting; -pole for motor loads
Siemens LV 10 · 2004 7/14 SENTRIC Switch Disconnectors Base mounting SENTRIC K Switch Disconnectors from 63 A to 1000 A 7 ■ Area of application SENTRIC KA switch disconnectors are implemented as main control switches and EMERGENCY-STOP switches for normal switching duty and isolation of main circuit...
Page 15 - Benefits; • Lockable with 3 padlocks
Siemens LV 10 · 2004 7/15 SENTRIC Switch Disconnectors SENTRIC K Switch Disconnectors from 63 A to 1000 A Molded-plastic enclosures 7 ■ Benefits • Lockable with 3 padlocks • Generous terminal compartment • IP65 degree of protection • Maintenance-free • Easy to install. ■ Area of application Our mast...
Page 17 - SENTRIC NP Fuse Switch Disconnectors; SENTRIC NP size NH 000; SENTRIC NP fuse switch disconnectors; Design
Siemens LV 10 · 2004 7/17 SENTRIC NP Fuse Switch Disconnectors General data 7 ■ Area of application SENTRIC NP fuse switch disconnectors are switching devices for the occasional manual connection and disconnection of loads and distribution boards. They are designed to connect the specified rated nom...
Page 20 - For power distribution; For surface mounting and for installation
Siemens LV 10 · 2004 7/20 SENTRIC NP Fuse Switch Disconnectors For power distribution 7 ■ Selection and ordering data For all fuse switch disconnectors with flat connection, the appro-priate cable lug covers (3NY7 101 to 3NY7 141) must be used for finger-safe cover acc. to VBG4, see Accessories. 1) ...
Page 22 - SENTRIC KL Switch Disconnectors with Fuses
Siemens LV 10 · 2004 7/22 SENTRIC KL Switch Disconnectors with Fuses General data 7 ■ Area of application SENTRIC KL switch disconnectors with fuses protect against overload and short-circuits as main control and EMERGENCY-STOP switches of switchpanels, distribution boards, power sup-ply and motor f...
Page 24 - Surface and flush mounting; -pole for LV HRC fuses
Siemens LV 10 · 2004 7/24 SENTRIC KL Switch Disconnectors with Fuses Surface and flush mounting 7 ■ Selection and ordering data All switch disconnectors in IP00 degree of protectionConductor connecting screws and fuse partitions are generally included in the scope of delivery Fuse monitoring through...
Page 27 - Circuit diagrams; Internal circuit diagram for SENTRIC KL
Siemens LV 10 · 2004 7/27 SENTRIC KL Switch Disconnectors with Fuses Accessories 7 ■ Circuit diagrams Internal circuit diagram for SENTRIC KL (for 3KL50 and 3KL51, only one auxiliary switch possible, not included in scope of supply; 4th pole is possible as main contact) Internal circuit diagram for ...
Page 28 - Fuses and Fuse Systems; Applications; NEOZED; and; DIAZED; Sizes
Siemens LV 10 · 2004 7/28 Fuses and Fuse Systems Introduction 7 ■ Overview Applications Applications for fuses range from installation systems in residen-tial buildings, non-residential buildings, trade and industry through to switchgear installations of the utilities. Fuses protect cables and condu...
Page 29 - For SENTRIC 3NP fuse switch disconnectors
Siemens LV 10 · 2004 7/29 Fuses and Fuse Systems Introduction 7 ■ Benefits For the 3KL switch disconnectors with fuse, a UL approval has been granted in combination with the new 3NE1 ...–2 fuse series. ■ Area of application When SITOR semiconductor protection fuses are used in SENTRIC NP, SENTRIC KL...
Page 30 - For 3NP fuse switch disconnectors
Siemens LV 10 · 2004 7/30 Fuses and Fuse Systems Introduction 7 ■ Selection and ordering data 1) If a cyclic load is applied, it may be necessary to further reduce the cur- rents (please inquire about precise values). 2) Values in brackets apply to the 3NP4 fuse switch disconnector. 3) Values in bra...
Page 32 - Further information; Further combinations are available on request!; For SENTRIC 3KL5, 3KL6 and 3KM5 switch disconnectors with fuses
Siemens LV 10 · 2004 7/32 Fuses and Fuse Systems Introduction 7 1) If a cyclic load is applied, it may be necessary to further reduce the cur- rents (please inquire about precise values). ■ Further information Further combinations are available on request! For further information on fuses, see Catal...
Page 33 - NEOZED fuses; NEOZED fuse disconnectors
Siemens LV 10 · 2004 7/33 Fuses and Fuse Systems NEOZED fuses * This quantity or a multiple thereof can be ordered. 7 ■ Selection and ordering data No. of poles Size Rated current I n MW DT Order No. PS* Weight per PUapprox. A kg NEOZED fuse disconnectors Draw-out version, FR1 box terminal, 70 mm mo...
Page 34 - Mounting components for MINIZED DO2 switch disconnectors; Mounting components for NEOZED fuses; Busbars
Siemens LV 10 · 2004 7/34 Fuses and Fuse Systems NEOZED fuses * This quantity or a multiple thereof can be ordered. 7 ■ Selection and ordering data Version Size For fuses up to Identifi-cationcolor DT Order No. PS* Weight per PUapprox. A kg Mounting components for MINIZED DO2 switch disconnectors Gu...
Page 35 - End caps
Siemens LV 10 · 2004 7/35 Fuses and Fuse Systems NEOZED fuses * This quantity or a multiple thereof can be ordered. 7 ■ Selection and ordering data Size Rated current I n Identification color DT Order No. PS* Weight per PUapprox. A kg End caps For 5SH5 320, 5SH5 323, 5SH5 512, 5U2 204 A 5SH5 514 10 ...
Page 36 - DIAZED fuses; DIAZED bases
Siemens LV 10 · 2004 7/36 Fuses and Fuse Systems DIAZED fuses * This quantity or a multiple thereof can be ordered. 7 ■ Selection and ordering data • NDz, DII, DIII• AC/DC 500 V• Snap-on mounting Terminal Rated current I n Conductorcross-section Basewidth Thread DT Order No. PS* Weight per PUapprox....
Page 37 - DIAZED screw caps
Siemens LV 10 · 2004 7/37 Fuses and Fuse Systems DIAZED fuses * This quantity or a multiple thereof can be ordered. 7 ■ Selection and ordering data Size Rated current I n Identificationcolor Thread DT Order No. PS* Weight per PUapprox. A kg DIAZED screw caps Molded plastic, not suitable for SILIZED ...
Page 38 - DIAZED fuse links
Siemens LV 10 · 2004 7/38 Fuses and Fuse Systems DIAZED fuses * This quantity or a multiple thereof can be ordered. 7 ■ Selection and ordering data Size Rated current I n Identificationcolor Thread DT Order No. PS* Weight per PUapprox. A kg DIAZED fuse links AC 50 kA, DC 8 kA; AC 500 V, DC 500 V Ope...
Page 39 - LV HRC fuses; LV HRC fuse bases; LV HRC contact covers
Siemens LV 10 · 2004 7/39 Fuses and Fuse Systems LV HRC fuses * This quantity or a multiple thereof can be ordered. 7 ■ Selection and ordering data Version Size Rated current I n DT Order No. PS* Weight per PUapprox. A kg LV HRC fuse bases Size 0 ... 4: AC 690 V, DC 440 V, size 000 and 00: AC 690 V,...
Page 40 - Mounting components for LV HRC fuses
Siemens LV 10 · 2004 7/40 Fuses and Fuse Systems LV HRC fuses * This quantity or a multiple thereof can be ordered. 7 ■ Selection and ordering data Version Size DT Order No. PS* Weight per PUapprox. kg Mounting components for LV HRC fuses LV HRC signaling output For LV HRC fuse links with non-insula...
Page 43 - Further variants are available on request!
Siemens LV 10 · 2004 7/43 Fuses and Fuse Systems LV HRC fuses * This quantity or a multiple thereof can be ordered. 7 ■ Selection and ordering data Characteristics are available on the Internet at www.siemens.de/installationstechnik Further variants are available on request! Size Ratedcurrent I n Ra...
Page 48 - Cylindrical fuses; Base for cylindrical fuses, draw-out version, 70 mm mounting depth
Siemens LV 10 · 2004 7/48 Fuses and Fuse Systems Cylindrical fuses * This quantity or a multiple thereof can be ordered. 7 ■ Selection and ordering data Contacts Rated current I n For fuses of size MW DT Order No. PS* Weight per PUapprox. A mm x mm kg Base for cylindrical fuses, draw-out version, 70...
Page 50 - Notes
7/50 Siemens LV 10 · 2004 Fuses and Fuse Systems Notes 7