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Siemens 3RT2045-3KB40 Electrical contactor 3 makers 37 kW 1000 V AC + varistor Compatible with (relay brand): Siemens 1

'Contactor for electrical control systems, comprising several blue and black components, with connections for electrical circuits.'
An open electrical cabinet next to a window with water droplets. Blurred industrial machinery is visible in the background.
Circuit diagram of a motor starter with contactor and overload relay. Shows connections: A1, A2, 1L1, 3L2, 5L3, 13 NO, 21 NC, 14 NO, 22 NC.
Technical Drawing of an Electrical Device in Three Views: Front View with Switch Details, Side View, and Rear View. Dimensions Indicated.
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Product type
Electrical contactor
No. of pins
3-pin
Nominal voltage
1000 V AC
Power
37 kW
Connection
Screws
Datasheet (PDF)
EAN:
Part number:
Item no:
Dispatches on Thu 19 Nov
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Total (€ 615.00 / piece)
€ 615.00
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plus € 19.99 
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Highlights & Details

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Technical specifications

  • Type of voltage: DC
  • Conductor cross-section single or multi-strand: 70 mm²
  • Conductor cross-section for finely-stranded: 50 mm²
Product type

Electrical contactor

Type

3RT2045-3KB40

Type

S3

No. of pins

3-pin

Contact type

3 makers

Nominal voltage

1000 V AC

Switching voltage (max.)

1000 V AC

Permanent current (max.)

80 A

37 kW

Compatible with

Siemens

Compatible with series

Siemens Sirius series

Features

+ varistor

Mounting type

Snap-in

Screw-fit

Connection

Screws

Durability

1000 0000

IP20

Min. temperature

-25 °C

Max. temperature

+60 °C

Width

70 mm

Height

140 mm

Depth

152 mm

Dim

(W x H x D) 70 x 140 x 152 mm

Content

1 pc(s)

RoHS-compliant

Yes

TRUE

37 kW

3

1

1

80 A

125 A

Screw connection

DC

66 A

44.129925

UKCA

not relevant

Documents & Downloads

Datasheet

Datasheet 1704966 Siemens 3RT2045-3KB40 Electrical contactor 3 makers 37 kW 1000 V AC + varistor Compatible with (relay brand): Siemens 1

User & Safety Instructions

User & Safety Instructions 1704966 Siemens 3RT2045-3KB40 Electrical contactor 3 makers 37 kW 1000 V AC + varistor Compatible with (relay brand): Siemens 1

Description

Illuminated pushbutton, 22mm, round, metal, blue, pushbutton, flat, with holder for 3 elements, with holder !!! Phased-out product !!! SIRIUS ACT 3SU1 is successor Preferred successor type is 3SU1051-0AB50-0AA0 + 3SU1550-0AA10-0AA0

Accessories

(*All information is plus legal VAT)

The necessary accessories are required to use the article as described.

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