3LD2103-1TL51

(EAN: 4011209402928 / UPC: 754554732701)

3LD switch disconnector, main switch

Product details
Technical data
CAx data

Technical data

SENTRON, Switch disconnector 3LD, main switch, 4-pole, Iu: 25 A, Operating power / at AC-23 A at 400 V: 9.5 kW, front-mounted, rotary operating mechanism, black, 4-hole mounting of the handle

Model

product brand name

SENTRON

product designation

Switch disconnector

design of the product

Main switch

display version for switch position indicator manual operation

1 ON - 0 OFF

type of switch

front mounted

design of the actuating element

Short rotary knob

color of the actuating element

black

design of handle

rotary operating mechanism, black

type of the driving mechanism motor drive

General technical data

number of poles

size of switch disconnector

mechanical service life (operating cycles) typical

100 000

electrical endurance (operating cycles)

● at AC-23 A at 690 V

6 000

operating frequency maximum

50 1/h

degree of pollution

Voltage

insulation voltage rated value

690 V

surge voltage resistance rated value

6 kV

operating voltage

● at AC rated value

690 V

operating frequency rated value

● minimum

50 Hz

● maximum

60 Hz

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

1.1 W

Main circuit

operational current

● at AC-21 at 690 V rated value

25 A

● at AC-21 A at 240 V rated value

25 A

● at AC-21 A at 400 V rated value

25 A

● at AC-21 A at 440 V rated value

25 A

● at AC-23 A at 400 V rated value

20 A

operating power

● at AC-23 A at 240 V rated value

5 kW

● at AC-23 A at 400 V rated value

10 kW

● at AC-23 A at 440 V rated value

9.5 kW

● at AC-23 A at 690 V rated value

10 kW

● at AC-3 at 240 V rated value

4 kW

● at AC-3 at 400 V rated value

8 kW

● at AC-3 at 690 V rated value

7.5 kW

Auxiliary circuit

number of CO contacts for auxiliary contacts

number of NC contacts for auxiliary contacts

number of NO contacts for auxiliary contacts

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

suitability for use switch disconnector

Yes

suitability for use EMERGENCY OFF switch

suitability for use safety switch

Yes

suitability for use maintenance/repair switch

Yes

Product details

product feature can be locked into OFF position

Yes

accessories

product extension optional

● motor drive

● voltage trigger

number of connectable NC contacts for auxiliary contacts attachable maximum

number of connectable NO contacts for auxiliary contacts attachable maximum

number of connectable CO contacts for auxiliary contacts attachable maximum

number of bracket locks maximum

hasp thickness of the bracket locks

4 ... 8 mm

Short circuit

conditional short-circuit current with line-side fuse protection

● at 690 V by gG fuse rated value

50 kA

let-through current with closed switch

● at 240 V for combination switch + gG fuse maximum

3.5 kA

● at 440 V for combination switch + gG fuse maximum

3.5 kA

● at 690 V for combination switch + gG fuse maximum permissible

4 kA

I2t value with closed switch

● at 240 V for combination switch + gG fuse maximum

4 kA2.s

● at 440 V for combination switch + gG fuse maximum

4 kA2.s

● at 690 V for combination switch + gG fuse maximum

4 kA2.s

design of the fuse link

● for short-circuit protection of the main circuit required

fuse gL/gG: 25 A

● for short-circuit protection of the auxiliary switch required

fuse gL/gG: 10 A

operational current of upstream fuse rated value

25 A

according UL

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

25 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

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

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

Connections

AWG number as coded connectable conductor cross section solid maximum

●

type of connectable conductor cross-sections for copper conductor

● solid

1x (1,5...16mm²)

● finely stranded with core end processing

1x (1,5...10mm²)

● stranded

1x (1,5...16mm²)

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

Mechanical Design

height

84 mm

width

67 mm

depth

92.5 mm

type of device

fixed mounting

fastening method

Built-in unit fixed-mounted version

fastening method

● 4-hole front mounting

Yes

● front mounting with central attachment

● rail mounting

net weight

236 g

Environmental conditions

ambient temperature during operation

● minimum

-25 °C

● maximum

55 °C

ambient temperature during storage

● minimum

-25 °C

● maximum

55 °C

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