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Siemens AC-21 - page 1
Siemens L V 10 · 2004 7/2 Introduction SENTRIC switch disconnector s SENTRIC LD main control and EMERGENCY-ST OP switches fr om 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 disconnector s from 63 A to 1000 A 7/12 General data 7/14 Base mounting ...
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Siemens AC-21 - page 2
Siemens L V 10 · 2004 7/2 Switch Disconnectors and Fuses Introduction 7 ■ Overview Ty p e 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 volta ge U e V 690 690 690 690 690 690 A C-3 motor ...
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Siemens AC-21 - page 3
Siemens L V 10 · 2004 7/3 Switch Disconnectors and Fuses Introduction 7 Ty p e 3NP 3K SENTRIC Rated uninterrupted current I U at 35 °C ambient temperature A 160 ... 630 63 ... 1000 Rated operating volta ge U e V6 9 0 6 9 0 AC - 2 1 at 400 V ✓ ✓ at 500 V ✓✓ at 690 V ✓ ✓ AC - 2 2 at 400 V ✓ ✓ at 500 V ✓✓ at 690 V ✓ ✓ AC - 2 ...
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Siemens AC-21 - page 4
Siemens L V 10 · 2004 7/4 SENTRIC Switch Disconnectors General data SENTRIC LD Main Control and EMERGENCY ST OP Switches from 16 A to 125 A 7 ■ T echnical specifications 1) With appropriate operating mechanisms accor ding to DIN VDE 0113 (see selection and ordering data). Standards DIN VDE 0660, IEC 60947 Switch T ype 3LD2 0 3LD2 1 3LD2 2 3LD2 5 ...
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Siemens AC-21 - page 5
Siemens L V 10 · 2004 7/5 SENTRIC Switch Disconnectors SENTRIC LD Main Control and EMERGENCY ST OP Switches from 16 A to 125 A Front mounting 7 ■ Area of application The SENTRIC 3LD2 switches are used for switching main contr ol and auxiliary circuits, but they are also implemented for switch- ing three-phase induction motors and other loads for ...
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Siemens AC-21 - page 6
Siemens L V 10 · 2004 7/6 SENTRIC Switch Disconnectors Front mounting SENTRIC LD Main Control and EMERGENCY ST OP 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. Main contacts Auxiliary contacts P / AC-3 P / AC- 23A I u kW kW A kg 3LD2 103-3VK53 ...
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Siemens AC-21 - page 7
Siemens L V 10 · 2004 7/7 SENTRIC Switch Disconnectors SENTRIC LD Main Control and EMERGENCY ST OP Switches from 16 A to 125 A Mounting in distribution boar ds 7 1) 4th contact as N-conductor to be order ed separately; see Accessories for base mounting and distribution board mounting. Number and version of contacts Rated data at 50 Hz ... 60 Hz 38 ...
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Siemens AC-21 - page 8
Siemens L V 10 · 2004 7/8 SENTRIC Switch Disconnectors Molded-plastic enclosures SENTRIC LD Main Control and EMERGENCY ST OP Switches from 16 A to 125 A 7 1) 4th contact as N-conductor to be order ed separately; see Accessories for base mounting and distribution board mounting. Number and version of contacts Rated data at 50 Hz ... 60 Hz 380 V ... ...
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Siemens AC-21 - page 9
Siemens L V 10 · 2004 7/9 SENTRIC Switch Disconnectors SENTRIC LD Main Control and EMERGENCY ST OP 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* Weig ht per PU approx. Main contacts Auxiliary contacts P / AC-3 P / AC-23A I u kW kW A kg Main con ...
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Siemens AC-21 - page 10
Siemens L V 10 · 2004 7/10 SENTRIC Switch Disconnectors Accessories SENTRIC LD Main Control and EMERGENCY ST OP 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 3LD9 2.0-0B 3LD9 2.0-2B 4th contact (N conducto ...
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Siemens AC-21 - page 11
Siemens L V 10 · 2004 7/11 SENTRIC Switch Disconnectors SENTRIC LD Main Control and EMERGENCY ST OP 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 contact (N conductor) for front mounting leading s ...
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Siemens AC-21 - page 12
Siemens L V 10 · 2004 7/12 SENTRIC Switch Disconnectors General data SENTRIC K Switch Disconnectors from 63 A to 1000 A 7 ■ T echnical specifications 1) T echnical specifications for CSA approval on request. 2) Configuring note: max. permissible operating temperature at connections 100 °C. 3) With 3KA58 for operation –25 °C ... +35 °C, 570 ...
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Siemens AC-21 - page 13
Siemens L V 10 · 2004 7/13 SENTRIC Switch Disconnectors SENTRIC K Switch Disconnectors from 63 A to 1000 A General data 7 1) T echnical specifications for CSA approval on request. Standards IEC 60947-1, IEC 60947-3, VDE 0660 Part 107 Ty p e 3KA50 3KA51 3KA52 3KA53 1) 3KA55 3KA57 1) 3KA58 Mechanical endurance operations 15000 15000 15000 15000 1200 ...
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Siemens AC-21 - page 14
Siemens L V 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 circuits and auxiliary cir- cuits. Another area of a ...
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Siemens AC-21 - page 15
Siemens L V 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 pr otection • Maintenance-free • Easy to install. ■ Area of application Our master and EMERCENCY -STOP switches p ...
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Siemens AC-21 - page 16
Siemens L V 10 · 2004 7/16 SENTRIC Switch Disconnectors Accessories SENTRIC K Switch Disconnectors from 63 A to 1000 A 7 ■ Selection and ordering data 4) For further 3SB14 00–0 switching elements with other contact types, see “Pushbuttons and Indicator Lights". DT 3KA50 30/ 3KA51 30 PS* Weig ht per PU approx. DT 3KA50 40/ 3KA51 40/ 3KA5 ...
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Siemens AC-21 - page 17
Siemens L V 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 ar e designed to connect the specified rated nominal current (including a specified overload) ...
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Siemens AC-21 - page 18
Siemens L V 10 · 2004 7/18 SENTRIC NP Fuse Switch Disconnectors General data 7 ■ T echnical specifications 1) 125/160 A only with 3NY1 236 supply terminals and with 21 mm wide fuse links 3NY1 822 (125 A) and 3NY1 824 (160 A); see Accessories. 2) Only for isolating links; otherwise note instructions of the fuse manufac- turer . 3) For no-load swi ...
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Siemens AC-21 - page 19
Siemens L V 10 · 2004 7/19 SENTRIC NP Fuse Switch Disconnectors General data 7 1) Only for isolating links; otherwise note instructions of the fuse manufac- turer . Standards IEC 60 947-1, IEC 60 947-3, VDE 0660 Part 107 Ty p e 3NP40 1 3NP40 7 3NP42 7 3NP43 7 3NP44 7 Capacitor switching capacity at AC 400 V Capacitor power kvar 50 50 – – – R ...
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Siemens AC-21 - page 20
Siemens L V 10 · 2004 7/20 SENTRIC NP Fuse Switch Disconnectors For power distrib ution 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) For fuse links, see BET A protect installat ...
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Siemens AC-21 - page 21
Siemens L V 10 · 2004 7/21 SENTRIC NP Fuse Switch Disconnectors Accessories 7 ■ Selection and ordering data 1) The fuse switch disconnector can be used in the meter cabinet with the cable lug cover mounted in combination with molded-plastic masking frames for the distribution board or switchpanel or the incoming-feeder panel without any problems ...
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Siemens AC-21 - page 22
Siemens L V 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 feeders. In conjunction with SITOR semicondu ...
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Siemens AC-21 - page 23
Siemens L V 10 · 2004 7/23 SENTRIC KL Switch Disconnectors with Fuses General data 7 ■ Accessories For the SENTRIC KL switch disconnectors, complete kits for standard and EMERCENCY -STOP use are available for installa- tion in the side and rear panels of switchgear cabinets. Specifications IEC 60 947-1, IEC 60 947-3, VDE 0660 Part 107 Ty p e 3KL ...
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Siemens AC-21 - page 24
Siemens L V 10 · 2004 7/24 SENTRIC KL Switch Disconnectors with Fuses Surface and flush mounting 7 ■ Selection and ordering data All switch disconnector s in IP00 degree of protection Conductor connecting screws and fuse partitions are generally included in the scope of delivery Fuse monitoring through 5TT3 170 safety monitor with a floating 1S ...
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Siemens AC-21 - page 25
Siemens L V 10 · 2004 7/25 SENTRIC KL Switch Disconnectors with Fuses Surface and flush mounting 7 All switch disconnector s in IP00 degree of protection Conductor connecting screws and fuse partitions are generally included in the scope of delivery Fuse monitoring through 5TT3 170 safety monitor with a floating 1S signal contact, see Catalog ET B ...
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Siemens AC-21 - page 26
Siemens L V 10 · 2004 7/26 SENTRIC KL Switch Disconnectors with Fuses Accessories 7 ■ Selection and ordering data 1) For further 3SB14 00–0 switching elements with other contact types, see “Pushbuttons and Indicator Lights". 2) For 3KX3 527–3AA: Not suitable for use with type A BS fuses. DT 3KL50 30 PS* We ig ht per PU approx. DT 3KL5 ...
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Siemens AC-21 - page 27
Siemens L V 10 · 2004 7/27 SENTRIC KL Switch Disconnectors with Fuses Accessories 7 ■ Circuit dia grams Internal circuit dia gram 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 f or SENTRIC KL (auxiliary switch not included i ...
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Siemens AC-21 - page 28
Siemens L V 10 · 2004 7/28 Fuses and Fuse Systems Introduction 7 ■ Overview Applications Applications for fuses range from installation systems in r esiden- tial buildings, non-residential buildings, trade and industry through to switchgear installations of the utilities. Fuses protect cables and conductors against overload and short-circuit cur ...
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Siemens AC-21 - page 29
Siemens L V 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 ar e used in SENTRIC NP , SENTRIC KL and 3KM switch disconnectors, a partial ...
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Siemens AC-21 - page 30
Siemens L V 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 fur ther reduce the cur- rents (please inquir e about precise values). 2) V alues in brackets apply to the 3NP4 fuse switch disconnector . 3) V alues in brackets apply to the 3KL5/3KM5 switch disco ...
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Siemens AC-21 - page 31
Siemens L V 10 · 2004 7/31 Fuses and Fuse Systems Introduction 7 1) If a cyclic load is applied, it may be necessary to fur ther reduce the cur- rents (please inquir e about precise values). 2) If overvoltage category 2 (instead of 3) and pollution degree 2 (instead of 3) in accordance with EN 60947-1 is maintained, the rated insulation volt- age ...
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Siemens AC-21 - page 32
Siemens L V 10 · 2004 7/32 Fuses and Fuse Systems Introduction 7 1) If a cyclic load is applied, it may be necessary to fur ther reduce the cur- rents (please inquir e about precise values). ■ Further information Further combinations are available on request! For further infor mation on fuses, see Catalog SITOR Configuration, Order No.: E20001-A ...
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Siemens AC-21 - page 33
Siemens L V 10 · 2004 7/33 Fuses and Fuse Systems NEOZED fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data No. of poles Size Rated current I n MW DT Order No. PS* Weight per PU approx. A kg NEOZED fuse disconnectors Draw-out version, FR1 box terminal, 70 mm mounting depth Single-pole D01 16 1 A 5SG7 610 ...
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Siemens AC-21 - page 34
Siemens L V 10 · 2004 7/34 Fuses and Fuse Systems NEOZED fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Ve r s i o n S i z e For fuses up to Identifi- cation color DT Order No. PS* Weight per PU approx. A kg Mounting components for MINIZED DO2 switch disconnectors Guide piece 20 blue A 5SH5 521 50 un ...
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Siemens AC-21 - page 35
Siemens L V 10 · 2004 7/35 Fuses and Fuse Systems NEOZED fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Size Rated current I n Identification color DT Order No. PS* Weight per PU approx. A kg End caps For 5SH5 320, 5SH5 323, 5SH5 512, 5U2 204 A 5SH5 514 10 units 0.001 For 5SH5 515, 5SH5 517, 5SH5 324 ...
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Siemens AC-21 - page 36
Siemens L V 10 · 2004 7/36 Fuses and Fuse Systems DIAZED fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data • NDz, DII, DIII • AC/DC 500 V • Snap-on mounting T er minal Rated current I n Conductor cross-section Base width Thread DT Order No. PS* W eight per PU approx. Size A up to mm 2 mm kg DIAZED ...
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Siemens AC-21 - page 37
Siemens L V 10 · 2004 7/37 Fuses and Fuse Systems DIAZED fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Size Rated current I n Identification color Thread DT Or der No. PS* Weight per PU approx. A kg DIAZED screw caps Molded plastic, not suitable for SILIZED fuse links With inspection hole, gray DII ...
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Siemens AC-21 - page 38
Siemens L V 10 · 2004 7/38 Fuses and Fuse Systems DIAZED fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Size Rated current I n Identification color Thread DT Or der No. PS* Weight per PU approx. A kg DIAZED fuse links AC 50 kA, DC 8 kA; AC 500 V , DC 500 V Operational class gL/gG DIII 32 black E 33 A ...
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Siemens AC-21 - page 39
Siemens L V 10 · 2004 7/39 Fuses and Fuse Systems L V HRC fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data V ersion Size Rated curr ent I n DT Order No. PS* Weight per PU approx. A kg LV HRC fuse bases Size 0 ... 4: AC 690 V , DC 440 V , size 000 and 00: AC 690 V , DC 250 V Single-pole Flat connector , ...
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Siemens AC-21 - page 40
Siemens L V 10 · 2004 7/40 Fuses and Fuse Systems L V HRC fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Ve r s i o n Size DT Order No. PS* Weight per PU approx. kg Mounting components for LV HRC fuses L V HRC signaling output For L V HRC fuse links with non-insulated grip lugs of size 000 ... 4a, Ra ...
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Siemens AC-21 - page 41
Siemens L V 10 · 2004 7/41 Fuses and Fuse Systems L V HRC fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Characteristics are available on the Internet at www .siemens.de/installationstechnik Size Rated cur- ren t I n Rated voltage U N DT Non-insulated grip lugs PS* Weight per PU approx. DT Insulated ...
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Siemens AC-21 - page 42
Siemens L V 10 · 2004 7/42 Fuses and Fuse Systems L V HRC fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Characteristics are available on the Internet at www .siemens.de/installationstechnik Size Rated current I n Rated voltage U N DT Insulated grip lugs PS* Weight per PU approx. Order No. AV kg LV H ...
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Siemens AC-21 - page 43
Siemens L V 10 · 2004 7/43 Fuses and Fuse Systems L V HRC fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Characteristics are available on the Internet at www .siemens.de/installationstechnik Further variants are available on request! Size Rated current I n Rated volt- age U N DT Non-insulated grip lu ...
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Siemens AC-21 - page 44
Siemens L V 10 · 2004 7/44 Fuses and Fuse Systems L V HRC fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Characteristics are available on the Internet at www .siemens.de/installationstechnik Size Rated current I n Rated voltage U N DT Non-insulated grip lugs PS* Weight per PU approx. Order No. AV kg ...
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Siemens AC-21 - page 45
Siemens L V 10 · 2004 7/45 Fuses and Fuse Systems L V HRC fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Characteristics are available on the Internet at www .siemens.de/installationstechnik Size Rated current I n Rated voltage U N DT Non-insulated metal grip lugs PS* Weight per PU approx. Order No. ...
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Siemens AC-21 - page 46
Siemens L V 10 · 2004 7/46 Fuses and Fuse Systems L V HRC fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Characteristics are available on the Internet at www .siemens.de/installationstechnik Size Rated current I n Rated voltage U N DT Non-insulated grip lugs PS* Weight per PU approx. Order No. AV kg ...
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Siemens AC-21 - page 47
Siemens L V 10 · 2004 7/47 Fuses and Fuse Systems L V HRC fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Characteristics are available on the Internet at www .siemens.de/installationstechnik Size Rated current I n Rated voltage U N DT Non-insulated grip lugs PS* Weight per PU approx. Order No. AV kg ...
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Siemens AC-21 - page 48
Siemens L V 10 · 2004 7/48 Fuses and Fuse Systems Cylindrical fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Contacts Rated current I n For fuses of size MW DT Order No. PS* Weight per PU approx. A mm x mm kg Base for cylindrical fuses, draw-out version, 70 mm mounting depth Without signal output Sin ...
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Siemens AC-21 - page 49
Siemens L V 10 · 2004 7/49 Fuses and Fuse Systems Cylindrical fuses * This quantity or a multiple thereof can be or dered. 7 ■ Selection and ordering data Size Rated current I n Rated volt- age U N DT Operational class gG PS* Weight per PU approx. DT Operational class aM PS* Weight per PU approx. Order No. Order No. mm × mm A V kg kg Cylindrica ...
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Siemens AC-21 - page 50
7/50 Siemens L V 10 · 2004 Fuses and Fuse Systems Notes 7 ...
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