Data sheet
3LD2064-1GP51-0US2
SENTRON, Switch disconnector 3LD, main switch, 3-pole, Iu: 16 A,
Operating power / at AC-23 A at 400 V: 7.5 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
1
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
3 kA2.s
let-through I2t value / with closed switch / at 440 V / for
combination switch + gG fuse / maximum
2.5 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, 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
0.5 W
● per conductor / typical
1W
Current
operational current
● at 40 °C / rated value
16 A
● at 45 °C / rated value
16 A
● at 50 °C / rated value
16 A
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● at 55 °C / rated value
16 A
● at AC / rated value
16 A
● at AC-23 A / at 400 V / rated value
16 A
● at AC-21 / at 690 V / rated value
16 A
● at AC-21 A / at 240 V / rated value
16 A
● at AC-21 A / at 440 V / rated value
16 A
operational current / of upstream fuse / rated value
20 A
let-through current / with closed switch
● at 440 V / for combination switch + gG fuse /
maximum
3 kA
● at 690 V / for combination switch + gG fuse /
maximum permissible
3 kA
Main circuit
operating power
● at AC-23 A / at 240 V / rated value
4 kW
● at AC-23 A / at 400 V / rated value
8 kW
● at AC-23 A / at 440 V / rated value
7.5 kW
● at AC-23 A / at 690 V / rated value
8 kW
● at AC-3 / at 240 V / rated value
3 kW
● at AC-3 / at 400 V / rated value
6 kW
● at AC-3 / at 690 V / rated value
5.5 kW
operational current / rated value
16 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 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
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
16 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
7.5
active power [hp] / at AC / at 600 V / according to UL
508/UL 60947-4-1 / rated value
10
short-time withstand current (SCCR) / at 600 V / according
5 kA
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to UL 508/UL 60947-4-1
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
3
number of connectable CO contacts / for auxiliary contacts
/ attachable / maximum
0
Connections
AWG number / as coded connectable conductor cross
section / solid
● maximum
10
● minimum
18
type of connectable conductor cross-sections / for copper
conductor
● solid
1x (1...6mm²)
● finely stranded / with core end processing
1x (1...4mm²)
● stranded
1x (1..6mm²)
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: 20 A
● for short-circuit protection of the auxiliary switch /
required
fuse gL/gG: 10 A
Mechanical Design
height
164 mm
width
100 mm
depth
118 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
494 g
Environmental conditions
ambient temperature / during operation
● minimum
-25 °C
● maximum
55 °C
ambient temperature / during storage / minimum
-25 °C
General Product Approval
Confirmation
General Product
3LD20641GP510US2
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Declaration of Conformity
Miscellaneous
Test Certificates
7/5/2022
Marine / Shipping
Subject to change without notice
© Copyright Siemens
Approval
Special Test Certificate
Miscellaneous
other
Miscellaneous
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=3LD2064-1GP51-0US2
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/ww/en/ps/3LD2064-1GP51-0US2
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)
http://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3LD2064-1GP51-0US2
CAx-Online-Generator
http://www.siemens.com/cax
Tender specifications
http://www.siemens.com/specifications
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