3LD3454-0TK51

Data sheet 3LD3454-0TK51 Load disconnector 3LD3, Iu 63 A Main switch 3-pole Rated operating capacity at AC-23 A at 400V 22.0 kW Front plate mounting Basic switch with Central hole mounting 22.5mm Toggle drive black 66x66 mm Model product brand name SENTRON product designation 3LD Switch disconnector design of the product Main switch display version / for switch position indicator manual operation 1 ON - 0 OFF design of the actuating element Short rotary knob design of handle rotary operating mechanism, black type of the driving mechanism / motor drive No General technical data number of poles 3 number of poles / note 3 type of device fixed mounting type of switch front mounted mechanical service life (switching cycles) / typical 100 000 electrical endurance (switching cycles) ● at AC-23 A / at 690 V 6 000 I2t value / with closed switch / at 690 V / for combination switch + gG fuse / maximum 21 kA2.s let-through I2t value / with closed switch / at 440 V / for combination switch + gG fuse / maximum 21 kA2.s operating frequency / maximum 50 1/h Voltage insulation voltage / rated value 690 V surge voltage resistance / rated value 6 kV Protection class protection class IP IP65 degree of protection NEMA rating 1, 3R, 4X, 12 protection class IP / on the front IP65 Dissipation power loss [W] ● for rated value of the current / at AC / in hot operating state / per pole 4.5 W ● per conductor / typical 5W Current operational current ● at 40 °C / rated value 63 A ● at 45 °C / rated value 63 A ● at 50 °C / rated value 63 A ● at 55 °C / rated value 63 A 3LD34540TK51 Page 1/5 7/8/2022 Subject to change without notice © Copyright Siemens ● at AC / rated value 63 A ● at AC-23 A / at 400 V / rated value 43 A ● at AC-21 / at 690 V / rated value 63 A ● at AC-21 A / at 240 V / rated value 63 A ● at AC-21 A / at 440 V / rated value 63 A operational current / of upstream fuse / rated value 63 A let-through current / with closed switch ● at 440 V / for combination switch + gG fuse / maximum 6 kA ● at 690 V / for combination switch + gG fuse / maximum permissible 6 kA Main circuit operating power ● at AC-23 A / at 240 V / rated value 11 kW ● at AC-23 A / at 400 V / rated value 22 kW ● at AC-23 A / at 440 V / rated value 22 kW ● at AC-23 A / at 690 V / rated value 19 kW ● at AC-3 / at 240 V / rated value 11 kW ● at AC-3 / at 400 V / rated value 19 kW ● at AC-3 / at 690 V / rated value 15 kW operational current / rated value 63 A Auxiliary circuit number of CO contacts / for auxiliary contacts 0 number of NC contacts / for auxiliary contacts 0 number of NO contacts / for auxiliary contacts 0 operating voltage / of auxiliary contacts / at AC / maximum 500 V continuous current / of the auxiliary contact / rated value 10 A insulation voltage / of the auxiliary switch / rated value 500 V Suitability suitability for use ● main switch Yes ● switch disconnector Yes ● EMERGENCY OFF switch No ● safety switch Yes ● maintenance/repair switch Yes Appearance color / of the actuating element black Product details product feature ● can be locked into OFF position Yes number of bracket locks / maximum 3 hasp thickness / of the bracket locks / minimum 4 mm hasp thickness / of the bracket locks / maximum 8 mm special product feature Can be locked in zero position product extension / optional ● motor drive No ● voltage trigger No Short circuit conditional short-circuit current / with line-side fuse protection ● at 440 V / by gG fuse / rated value 10 kA ● at 690 V / by gG fuse / rated value 6 kA according UL operational current / at AC / according to UL 508/UL 60947-4-1 / rated value 63 A operating voltage / at AC / at 50/60 Hz / according to UL 508/UL 60947-4-1 / rated value 600 V active power [hp] / at AC / at 480 V / according to UL 508/UL 60947-4-1 / rated value 25 active power [hp] / at AC / at 600 V / according to UL 508/UL 60947-4-1 / rated value 30 3LD34540TK51 Page 2/5 7/8/2022 Subject to change without notice © Copyright Siemens short-time withstand current (SCCR) / at 600 V / according to UL 508/UL 60947-4-1 5 kA continuous current / of upstream fuse / according to UL / rated value 50 A type of fuse / according to UL RK5 Number number of connectable NC contacts / for auxiliary contacts / attachable / maximum 2 number of connectable NO contacts / for auxiliary contacts / attachable / maximum 4 number of connectable CO contacts / for auxiliary contacts / attachable / maximum 0 Connections AWG number / as coded connectable conductor cross section / solid ● maximum 6 ● minimum 14 type of connectable conductor cross-sections / for copper conductor ● solid 1x (2.5 to 16 mm²) ● finely stranded / with core end processing 1x (2.5...16 mm²) ● stranded 1x (2.5 to 16 mm²) type of connectable conductor cross-sections / for auxiliary contacts ● solid 2x (0.75 ... 2.5 mm²), 1x 4 mm² ● finely stranded / with core end processing 2x (0.75 ... 1.5 mm²), 1x 2.5 mm² ● stranded 2x (0.75 ... 2.5 mm²), 1x 4 mm² type of electrical connection ● for main current circuit box terminal ● for auxiliary contacts Box terminals Requirements design of the fuse link ● for short-circuit protection of the main circuit / required fuse gL/gG: 63 A ● for short-circuit protection of the auxiliary switch / required fuse gL/gG: 10 A Mechanical Design height 60 mm width 36 mm depth 114 mm fastening method Built-in unit fixed-mounted version fastening method ● 4-hole front mounting No ● front mounting with central attachment Yes ● rail mounting No net weight 200 g Environmental conditions ambient temperature / during operation ● minimum -25 °C ● maximum 55 °C ambient temperature / during storage / minimum -25 °C General Product Approval Declaration of Conformity Confirmation other 3LD34540TK51 Page 3/5 7/8/2022 Subject to change without notice © Copyright Siemens Miscellaneous Further information Information- and Downloadcenter (Catalogs, Brochures,…) http://www.siemens.com/lowvoltage/catalogs Industry Mall (Online ordering system) 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