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Siemens 3RT2 Contactor, 24V dc Coil, 4-Pole, 22 A, 55 kW 24V dc, 4 NO, 400V ac

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MYR641.81

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RS Stock No.:
203-2555
Mfr. Part No.:
3RT2317-2BB40
Manufacturer:
Siemens
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Brand

Siemens

Product Type

Contactor

Coil Voltage

24V dc

Number of Poles

4

Contact Voltage

400V ac

Contact Current

22A

Series

3RT2

Power Rating

55kW

Mount Type

Snap-On

Function

Reversing

Normal State Configuration

4 NO

Auxiliary Contact Configuration

2 NO/2 NC

Number of Auxiliary Contacts

4

Terminal Type

Spring Loaded

Minimum Operating Temperature

-25°C

Contactor Application

Safety

Control Circuit Voltage Uc

24V dc

Operational Current Ie

12A

Maximum Operating Temperature

60°C

Length

70mm

Standards/Approvals

CCC, CSA, EAC, UL

Width

45mm

Depth

73mm

Better World Product

Yes

Better World Claim

Low Carbon Manufacture

Pole and Throw Configuration

4

Siemens size S00, 3RT23 Series Contactor, 22A Current Rating, 400V AC Voltage Rating - 3RT2317-2BB40


This contactor is designed for automation applications. Featuring a compact design of 70mm x 45mm x 73mm, it operates at a control voltage of 24V DC and supports 4 poles for efficient electrical control. The device is tailored for both performance and durability, supporting a maximum contact current of 22A with a voltage rating of 400V AC.

Features & Benefits


• Designed for reversing operations, enhancing versatility in applications

• Spring-loaded terminals ensure secure connections and ease of installation

• Includes four auxiliary contacts for expanded functionality

• High mechanical endurance rated at up to 30 million operating cycles

Applications


• Utilised in motor control setups requiring reversing functionality

• Suitable for use in industrial automation systems

• Effective in HVAC control circuits for efficient energy management

• Integrated within process control for reliable performance

What is the maximum operating temperature for safe use?


The device can function effectively in ambient temperatures ranging from -25°C to +60°C, making it suitable for diverse environments.

Can it handle different types of loads?


Yes, it is rated for AC-1 loads up to 22A at 400V, making it suitable for various electrical applications, including resistive loads.

What is the importance of having both NO and NC contacts?


The configuration with both normally open (4NO) and normally closed (2NC) auxiliary contacts allows for greater control and integration in electrical systems, supporting multiple circuit configurations.

What installation requirements should be considered?


The contactor is designed for DIN rail mounting and can be positioned optimally on vertical surfaces, allowing for efficient space utilisation and accessibility during operation.

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