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Siemens 3LD2766-7UB01

SENTRON, Switch disconnector 3LD, change-over switch, 3-pole, Iu: 100 A, Operating power / at AC-23 A at 400 V: 37 kW, molded-plastic encapsulation for metric cable screw connection, knob-operated mechanism, black

SiemensMFR # 3LD2766-7UB01SKU # CEY-8EF3B03083DB

product brand nameSENTRON

product designationSwitch disconnector

design of the productSelector switch

design of the actuating elementselector switch

color of the actuating elementblack

design of handleknob-operated mechanism, black

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About This Product

Siemens 3LD2766-7UB01

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

Model

product brand nameSENTRON

product designationSwitch disconnector

design of the productSelector switch

display version for switch position indicator manual operation1 ON - 0 OFF - 2 ON

type of switchMolded-plastic enclosure for metric threaded joint

design of the actuating elementselector switch

color of the actuating elementblack

design of handleknob-operated mechanism, black

type of the driving mechanism motor driveNo

General technical data

number of poles3

number of poles noteN + PE

size of switch disconnector4

mechanical service life (operating cycles) typical100 000

at AC-23 A at 690 V6 000

operating frequency maximum50 1/h

degree of pollution3

Voltage

insulation voltage rated value690 V

surge voltage resistance rated value6 kV

at AC rated value690 V

minimum50 Hz

maximum60 Hz

Protection class

protection class IPIP65

degree of protection NEMA rating1, 4X, 12

protection class IP on the frontIP65

Dissipation

power loss [W] for rated value of the current at AC in hot operating state per pole2.77 W

Main circuit

at AC-21 at 690 V rated value100 A

at AC-21 A at 240 V rated value100 A

at AC-21 A at 400 V rated value100 A

at AC-21 A at 440 V rated value100 A

at AC-23 A at 400 V rated value70 A

at AC-23 A at 240 V rated value18.5 kW

at AC-23 A at 400 V rated value37 kW

at AC-23 A at 440 V rated value37 kW

at AC-23 A at 690 V rated value30 kW

at AC-3 at 240 V rated value18.5 kW

at AC-3 at 400 V rated value30 kW

at AC-3 at 690 V rated value22 kW

Auxiliary circuit

number of CO contacts for auxiliary contacts0

number of NC contacts for auxiliary contacts0

number of NO contacts for auxiliary contacts0

operating voltage of auxiliary contacts at AC maximum500 V

continuous current of the auxiliary contact rated value10 A

insulation voltage of the auxiliary switch rated value500 V

Suitability

suitability for use main switchYes

suitability for use switch disconnectorYes

suitability for use EMERGENCY OFF switchNo

suitability for use maintenance/repair switchYes

Product details

product feature can be locked into OFF positionNo

Accessories

motor driveNo

voltage triggerNo

number of connectable NC contacts for auxiliary contacts attachable maximum2

number of connectable NO contacts for auxiliary contacts attachable maximum4

number of connectable CO contacts for auxiliary contacts attachable maximum0

Short circuit

at 690 V by gG fuse rated value50 kA

at 240 V for combination switch + gG fuse maximum10 kA

at 440 V for combination switch + gG fuse maximum10 kA

at 690 V for combination switch + gG fuse maximum permissible10 kA

at 240 V for combination switch + gG fuse maximum64 kA²·s

at 440 V for combination switch + gG fuse maximum64 kA²·s

at 690 V for combination switch + gG fuse maximum64 kA²·s

for short-circuit protection of the main circuit requiredfuse gL/gG: 100 A

for short-circuit protection of the auxiliary switch requiredfuse gL/gG: 10 A

operational current of upstream fuse rated value100 A

according UL

operational current at AC according to UL 508/UL 60947-4-1 rated value100 A

operating voltage at AC at 50/60 Hz according to UL 508/UL 60947-4-1 rated value600 V

active power [hp] at AC at 480 V according to UL 508/UL 60947-4-1 rated value60

active power [hp] at AC at 600 V according to UL 508/UL 60947-4-1 rated value75

short-time withstand current (SCCR) at 600 V according to UL 508/UL 60947-4-110 kA

continuous current of upstream fuse according to UL rated value200 A

type of fuse according to ULRK5

Connections

solid1x (4...50mm²)

finely stranded with core end processing1x (4...35mm²)

stranded1x (4...50mm²)

solidlateral auxiliary switch 2x (0,75 ... 2,5mm²), 1x 4mm²; front auxiliary switch 1x (0,75 ... 2,5mm²)

finely stranded with core end processinglateral auxiliary switch 2x (0,75 ... 1,5mm²), 1x 2,5mm²; front auxiliary switch 1x 2,5mm²

strandedlateral auxiliary switch 2x (0,75 ... 2,5mm²), 1x 4mm²; front auxiliary switch 1x (0,75 ... 2,5mm²)

for main current circuitbox terminal

for auxiliary contactsconnection terminals

Mechanical Design

height302 mm

width212 mm

depth181 mm

type of devicefixed mounting

fastening methodComplete unit in enclosure

4-hole front mountingNo

front mounting with central attachmentYes

rail mountingNo

Net Weight2.309 kg

Environmental conditions

minimum-25 °C

maximum55 °C

minimum-25 °C

maximum55 °C

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Siemens 3LD2766-7UB01

About This Product

Siemens 3LD2766-7UB01

Specifications

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