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Siemens 3RT2 Contactor, 24 V dc Coil, 3-Pole, 32 A, 15 kW 24 V dc, 1 NO/1 NC, 400V ac

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RS Stock No.:
210-4445
Mfr. Part No.:
3RT2027-1DB40
Manufacturer:
Siemens
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Brand

Siemens

Coil Voltage

24 V dc

Product Type

Contactor

Number of Poles

3

Contact Voltage

400V ac

Contact Current

32A

Series

3RT2

Power Rating

15kW

Function

Reversing

Mount Type

Snap-On

Normal State Configuration

1 NO/1 NC

Auxiliary Contact Configuration

1 NO/1 NC

Number of Auxiliary Contacts

2

Terminal Type

Screw Clamp

Contactor Application

Motor Control

Minimum Operating Temperature

-25°C

Control Circuit Voltage Uc

24 V dc

Operational Current Ie

32A

Maximum Operating Temperature

60°C

Standards/Approvals

CCC, UL, EAC, CSA

Length

85mm

Depth

107mm

Width

45 mm

Better World Product

Yes

Better World Claim

Low Carbon Manufacture

Pole and Throw Configuration

3P

COO (Country of Origin):
DE

Siemens size S0, 3RT2 Series Contactor, 32A Current Rating, 24V DC Coil Voltage - 3RT2027-1DB40


This contactor is a vital component for controlling electrical circuits, designed to handle up to 15kW of power at 400V. It features a compact size S0 design, measuring 85mm in length, 45mm in width, and 107mm in depth. The 24V DC contactor includes both auxiliary contacts configuration of 1NO + 1NC, making it ideal for various automation applications.

Features & Benefits


• Wide temperature range: -25°C to +60°C enhances durability

• Screw terminal type ensures reliable connections for easy installation

• DIN rail mounted design simplifies system integration

• Surge voltage resistance rated at 6kV for stability

Applications


• Used in industrial automation control systems

• Suitable for motor control in electric machinery

• Ideal for demanding high power switching

• Utilised in HVAC systems for efficient operations

What is the operational current rating for various voltages?


The contactor supports operational currents up to 50A at AC-1 for voltages up to 690 V, and maintains 32A at AC-3 for 400V.

How does the contactor's design support ease of installation?


It is designed for snap-on mounting onto a 35mm DIN rail, facilitating quick installation and maintenance in various setups.

What kind of auxiliary contacts does it offer?


The contactor includes 1 normally open and 1 normally closed auxiliary contact, allowing for flexible control options in automation setups.

What measures are in place for shock resistance?


It can withstand shock resistance of up to 15g with sine pulse and 10g with a rectangular impulse, ensuring reliability in dynamic environments.

What type of terminals does this contactor have for the main and control circuits?


Both the main current circuit and auxiliary control circuit are equipped with screw-type terminals, ensuring secure and stable connections.

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