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Siemens 3RT2037-3KB44-3MA0 Coupling relay 3 makers 30000 W 690 V AC + varistor Compatible with (relay brand): Siemens 1

An electrical contactor for controlling high-voltage equipment. Black and blue housing with multiple connection terminals.
An open electrical cabinet with various cables and components. To the right, a wet window with a blurred industrial environment.
'Diagram of a contactor configuration size S2 with auxiliary switches, coil connections, and interlocking. Components labelled with numerical identifiers.'
Electrical circuit diagram with connection and switching points, marked as 1L1, 2T1, 4/IT2, flow from A1+ to A2-.
Technical drawing of an electrical component with dimensions and connections in front, side, and top views.
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Product type
Coupling relay
No. of pins
3-pin
Nominal voltage
690 V AC
Power
30000 W
Connection
Screws
Datasheet (PDF)
EAN:
Part number:
Item no:
Dispatches on Thu 26 Nov
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Total (€ 565.00 / piece)
€ 565.00
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plus € 19.99 
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Technical specifications

  • Type of voltage: DC
  • Conductor cross-section single or multi-strand: 50 mm²
  • Conductor cross-section for finely-stranded: 35mm²
Product type

Coupling relay

Type

3RT2037-3KB44-3MA0

Type

S2

No. of pins

3-pin

Contact type

3 makers

Nominal voltage

690 V AC

Control voltage (min.)

19.2 V DC

Control voltage (max.)

28.8 V DC

Control voltage range

19.2 - 28.8 V DC

Switching voltage (max.)

690 V AC

Max. switching capacity

30000 W

Permanent current (max.)

65 A

30000 W

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

55 mm

Height

114 mm

Depth

178 mm

Dim

(W x H x D) 55 x 114 x 178 mm

Content

1 pc(s)

RoHS-compliant

Yes

TRUE

30 kW

3

2

2

65 A

80 A

Screw connection

DC

55 A

36.7749375

UKCA

yes

Documents & Downloads

Datasheet

Datasheet 1745612 Siemens 3RT2037-3KB44-3MA0 Coupling relay 3 makers 30000 W 690 V AC + varistor Compatible with (relay brand): Siemens 1

User & Safety Instructions

User & Safety Instructions 1745612 Siemens 3RT2037-3KB44-3MA0 Coupling relay 3 makers 30000 W 690 V AC + varistor Compatible with (relay brand): Siemens 1

Description

Reversing starter Electronic switching Electronic overload protection up to 0.25 kW / 400 V 0.3 A...1 A High-Feature Option: 3DI/LC module PROFIenergy

Accessories

(*All information is plus legal VAT)

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

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