3LD2766-1GP51-0US2

Data sheet 3LD2766-1GP51-0US2 SENTRON, Switch disconnector 3LD, main switch, 3-pole, Iu: 100 A, Operating power / at AC-23 A at 400 V: 37 kW, molded-plastic encapsulation for inch cable gland, 1 NC, 1 NO, rotary operating mechanism, black 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 PE type of device fixed mounting type of switch Molded-plastic enclosure for inch threaded joint size of switch disconnector 4 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 64 kA2.s let-through I2t value / with closed switch / at 440 V / for combination switch + gG fuse / maximum 64 kA2.s operating frequency / maximum 50 1/h Voltage insulation voltage / rated value 690 V surge voltage resistance / rated value 6 kV operational current / at AC / rated value 100 A Protection class protection class IP IP65 degree of protection NEMA rating 1, 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 7.5 W ● per conductor / typical 7.5 W Current operational current 3LD27661GP510US2 Page 1/2 1.21.2021 Subject to change without notice © Copyright Siemens ● at AC-23 A / at 400 V / rated value 70 A ● at AC-21 / at 690 V / rated value 100 A ● at AC-21 A / at 240 V / rated value 100 A ● at AC-21 A / at 440 V / rated value 100 A operational current / of upstream fuse / rated value 100 A let-through current / with closed switch ● at 440 V / for combination switch + gG fuse / maximum 10 kA ● at 690 V / for combination switch + gG fuse / maximum permissible 10 kA Main circuit operating power ● at AC-23 A / at 240 V / rated value 18.5 kW ● at AC-23 A / at 400 V / rated value 37 kW ● at AC-23 A / at 440 V / rated value 37 kW ● at AC-23 A / at 690 V / rated value 30 kW ● at AC-3 / at 240 V / rated value 18.5 kW ● at AC-3 / at 400 V / rated value 30 kW ● at AC-3 / at 690 V / rated value 22 kW operational current / rated value 100 A Auxiliary circuit number of CO contacts / for auxiliary contacts 0 number of NC contacts / for auxiliary contacts 1 number of NO contacts / for auxiliary contacts 1 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 function / 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 product extension / optional ● motor drive No ● voltage trigger No Short circuit conditional short-circuit current / with line-side fuse protection ● at 690 V / by gG fuse / rated value 50 kA according UL operational current / at AC / according to UL 508/UL 60947-4-1 / rated value 100 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 60 active power [hp] / at AC / at 600 V / according to UL 508/UL 60947-4-1 / rated value 75 short-time withstand current (SCCR) / at 600 V / according to UL 508/UL 60947-4-1 10 kA 3LD27661GP510US2 Page 2/3 1.21.2021 Subject to change without notice © Copyright Siemens continuous current / of upstream fuse / according to UL / rated value 200 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 3 number of connectable CO contacts / for auxiliary contacts / attachable / maximum 0 Connections AWG number / as coded connectable conductor cross section / solid ● maximum 1 ● minimum 12 type of connectable conductor cross-sections / for copper conductor ● solid 1x (4...50mm²) ● finely stranded / with core end processing 1x (4...35mm²) ● stranded 1x (4...50mm²) type of connectable conductor cross-sections / for auxiliary contacts ● solid lateral auxiliary switch 2x (0,75 ... 2,5mm²), 1x 4mm²; front auxiliary switch 1x (0,75 ... 2,5mm²) ● finely stranded / with core end processing lateral auxiliary switch 2x (0,75 ... 1,5mm²), 1x 2,5mm²; front auxiliary switch 1x 2,5mm² ● stranded lateral auxiliary switch 2x (0,75 ... 2,5mm²), 1x 4mm²; front auxiliary switch 1x (0,75 ... 2,5mm²) type of electrical connection ● for main current circuit box terminal ● for auxiliary contacts connection terminals Requirements design of the fuse link ● for short-circuit protection of the main circuit / required fuse gL/gG: 100 A ● for short-circuit protection of the auxiliary switch / required fuse gL/gG: 10 A Mechanical Design height 302 mm width 212 mm depth 181 mm fastening method Complete unit in enclosure fastening method ● 4-hole front mounting No ● front mounting with central attachment Yes ● rail mounting No net weight 1 844 g Environmental conditions ambient temperature / during operation ● minimum -25 °C ● maximum 55 °C ambient temperature / during storage / minimum -25 °C Certificates reference code ● acc. to DIN EN 61346-2 S ● acc. to IEC 81346-2 SF General Product Approval 3LD27661GP510US2 Page 3/4 1.21.2021 Subject to change without notice © Copyright Siemens Miscellaneous Declaration of Conformity Test Certificates Miscellaneous Marine / Shipping Special Test Certificate other Environmental Confirmations Further information Information- and Downloadcenter (Catalogs, Brochures,…) http://www.siemens.com/lowvoltage/catalogs Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3LD2766-1GP51-0US2 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3LD2766-1GP51-0US2 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...) http://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3LD2766-1GP51-0US2 Tender specifications http://www.siemens.com/specifications 3LD27661GP510US2 Page 4/5 1.21.2021 Subject to change without notice © Copyright Siemens 3LD27661GP510US2 Page 5/6 1.21.2021 Subject to change without notice © Copyright Siemens 3LD27661GP510US2 Page 6/6 1.21.2021 Subject to change without notice © Copyright Siemens