SENTRON, Switch disconnector 3LD, main switch, 3-pole, Iu: 100 A, Operating power / at AC-23 A at 400 V: 37 kW, front-mounted, rotary operating mechanism, black, 4-hole mounting of the handle More
SENTRON, Switch disconnector 3LD, main switch, 3-pole, Iu: 100 A, Operating power / at AC-23 A at 400 V: 37 kW, front-mounted, rotary operating mechanism, black, 4-hole mounting of the handle More
690 VVoltage / operating voltage / at AC rated value
Application and selection
Compare the complete order number and specifications below with the original part and machine wiring. Check the design, interfaces, supply voltage or connection method as applicable to this product.
Technical specifications
Manufacturer
Siemens
Order number
3LD2704-0TK51
Model / product brand name
SENTRON
Model / product designation
Switch disconnector
Model / design of the product
Main switch
Model / display version for switch position indicator manual
1 ON - 0 OFF
Model / type of switch
front mounted
Model / design of the actuating element
Short rotary knob
Model / color of the actuating element
black
Model / design of handle
rotary operating mechanism, black
Model / type of the driving mechanism motor drive
No
General technical data / number of poles
3
General technical data / size of switch disconnector
4
General technical data / mechanical service life (operating cycles) typical
100 000
General technical data / electrical endurance (operating cycles) / at AC-23 A at 690 V
6 000
General technical data / operating frequency maximum
50 1/h
General technical data / degree of pollution
3
Voltage / insulation voltage rated value
690 V
Voltage / surge voltage resistance rated value
6 kV
Voltage / operating voltage / at AC rated value
690 V
Voltage / operating frequency rated value / minimum
50 Hz
Voltage / operating frequency rated value / maximum
60 Hz
Protection class / protection class IP
IP65
Protection class / degree of protection NEMA rating
1, 3R, 4X, 12
Protection class / protection class IP on the front
IP65
Dissipation / power loss [W] for rated value of the current at AC in hot
2.77 W
Main circuit / operational current / at AC-21 at 690 V rated value
100 A
Main circuit / operational current / at AC-21 A at 240 V rated value
100 A
Main circuit / operational current / at AC-21 A at 400 V rated value
100 A
Main circuit / operational current / at AC-21 A at 440 V rated value
100 A
Main circuit / operational current / at AC-23 A at 400 V rated value
70 A
Main circuit / operating power / at AC-23 A at 240 V rated value
18.5 kW
Main circuit / operating power / at AC-23 A at 400 V rated value
37 kW
Main circuit / operating power / at AC-23 A at 440 V rated value
37 kW
Main circuit / operating power / at AC-23 A at 690 V rated value
30 kW
Main circuit / operating power / at AC-3 at 240 V rated value
18.5 kW
Main circuit / operating power / at AC-3 at 400 V rated value
30 kW
Main circuit / operating power / at AC-3 at 690 V rated value
22 kW
Auxiliary circuit / number of CO contacts for auxiliary contacts
0
Auxiliary circuit / number of NC contacts for auxiliary contacts
0
Auxiliary circuit / number of NO contacts for auxiliary contacts
0
Auxiliary circuit / operating voltage of auxiliary contacts at AC maximum
500 V
Auxiliary circuit / continuous current of the auxiliary contact rated value
10 A
Auxiliary circuit / insulation voltage of the auxiliary switch rated value
500 V
Suitability / suitability for use main switch
Yes
Suitability / suitability for use switch disconnector
Yes
Suitability / suitability for use EMERGENCY OFF switch
No
Suitability / suitability for use maintenance/repair switch
Yes
Product details / product feature can be locked into OFF position
Yes
Accessories / product extension optional / motor drive
No
Accessories / product extension optional / voltage trigger
No
Accessories / number of connectable NC contacts for auxiliary contacts
3
Accessories / number of connectable NO contacts for auxiliary contacts
3
Accessories / number of connectable CO contacts for auxiliary contacts
0
Accessories / number of bracket locks maximum
3
Accessories / hasp thickness of the bracket locks
4 ... 8 mm
Short circuit / protection / at 690 V by gG fuse rated value
50 kA
Short circuit / let-through current with closed switch / at 240 V for combination switch + gG fuse maximum
10 kA
Short circuit / let-through current with closed switch / at 440 V for combination switch + gG fuse maximum
10 kA
Short circuit / let-through current with closed switch / at 690 V for combination switch + gG fuse maximum
10 kA
Short circuit / I2t value with closed switch / at 240 V for combination switch + gG fuse maximum
64 kA²·s
Short circuit / I2t value with closed switch / at 440 V for combination switch + gG fuse maximum
64 kA²·s
Short circuit / I2t value with closed switch / at 690 V for combination switch + gG fuse maximum
64 kA²·s
Short circuit / design of the fuse link / for short-circuit protection of the main circuit
fuse gL/gG: 100 A
Short circuit / design of the fuse link / for short-circuit protection of the auxiliary switch
fuse gL/gG: 10 A
Short circuit / operational current of upstream fuse rated value
100 A
according UL / operational current at AC according to UL 508/UL 60947-4-1
100 A
according UL / operating voltage at AC at 50/60 Hz according to UL 508/UL
600 V
according UL / active power [hp] at AC at 480 V according to UL 508/UL
60
according UL / active power [hp] at AC at 600 V according to UL 508/UL
75
according UL / short-time withstand current (SCCR) at 600 V according to
10 kA
according UL / continuous current of upstream fuse according to UL rated
200 A
according UL / type of fuse according to UL
RK5
Connections / section solid maximum /
1
Connections / section solid maximum /
12
Connections / conductor / solid
1x (4...50mm²)
Connections / conductor / finely stranded with core end processing
Environmental conditions / ambient temperature during operation / minimum
-25 °C
Environmental conditions / ambient temperature during operation / maximum
55 °C
Environmental conditions / ambient temperature during storage / minimum
-25 °C
Environmental conditions / ambient temperature during storage / maximum
55 °C
Product description
SENTRON
Connections and conditions of use
Voltage / insulation voltage rated value: 690 V
Voltage / surge voltage resistance rated value: 6 kV
Voltage / operating voltage / at AC rated value: 690 V
Voltage / operating frequency rated value / minimum: 50 Hz
Voltage / operating frequency rated value / maximum: 60 Hz
Dissipation / power loss [W] for rated value of the current at AC in hot: 2.77 W
Main circuit / operational current / at AC-21 at 690 V rated value: 100 A
Main circuit / operational current / at AC-21 A at 240 V rated value: 100 A
Scope of supply
We will confirm the exact version, package contents and related accessories before ordering. Package information in the technical table applies to the stated order number.
Frequently asked questions
Is the same product family enough to identify a replacement?
The complete order number is essential. If the type changes, compare the electrical and mechanical design, connections and requirements of the original application.
What information is needed to check connections and accessories?
Send a nameplate photo, the designations of related modules and connectors and, where needed, a wiring diagram. We will check the specific version for your application.
Can you assess a faulty part?
Yes. Send the complete order number and a description of the fault. We will check the diagnostic and professional repair options for your specific unit.
Why buy from FOXON
1
Replacement part availability
We will check current part availability and confirm the possible delivery date before you order.
2
New original and refurbished parts
We will specify the available version and condition of the particular unit in the quotation.
3
Parts with a warranty
We will confirm the warranty period according to the part condition and specific quotation.
4
Diagnostics and repairs
For a faulty unit, we will check the options for diagnostics and professional repair.
More than 3,500customers
We deliver tomore than 100 countries
Express delivery?We will check. Contact us now.
Part conditions available for sale
Part conditions and warranty
New, sealed (NC): Brand-new, unused part in unopened original packaging. 12-month warranty.
New, opened (NO): Brand-new and unused part, but the original packaging has been opened. 12-month warranty.
New, without packaging (NW): Brand-new and unused part, supplied without original packaging. 12-month warranty.
New (N): New and unused part, typically smaller components supplied in multi-packs in one original package. 12-month warranty.
Refurbished (R): Part has been removed from service, cleaned, inspected and tested to meet original functionality and quality. 12-month warranty.
Used, tested (T): Functional used part that has passed full testing. 6-month warranty.
Used (U): Functional used part. 3-month warranty.
Sales, repairs and buyback of automation parts
We supply replacement parts for industrial automation and assess faulty units for diagnostics and repair. We also buy surplus parts. Send the exact designation and required quantity.
