Siemens 3RT2 Contactor, 24V dc, 34 V dc Coil, 3-Pole, 20 A, 5.5 kW 34V dc, 1 NC, 400V

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THB6,316.49

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THB6,758.64

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RS Stock No.:
156-159
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.:
3RT2017-1XB42-0LA2
ผู้ผลิต:
Siemens
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Brand

Siemens

Coil Voltage

24, 34V dc

Product Type

Contactor

Number of Poles

3

Contact Voltage

400V

Contact Current

20A

Series

3RT2

Power Rating

5.5kW

Function

Mirror Contact, Motor Control

Mount Type

DIN Rail

Normal State Configuration

1 NC

Number of Auxiliary Contacts

1

Auxiliary Contact Configuration

1 NC

Terminal Type

Screw

Contactor Application

Traction Contactor

Minimum Operating Temperature

-40°C

Operational Current Ie

12A

Control Circuit Voltage Uc

34V dc

Maximum Operating Temperature

70°C

Length

58mm

Width

45mm

Depth

73mm

Standards/Approvals

PRS, IEC 60947-5-1, IEC 61508, RCM, RMRS, UKCA, UL, ABS, CCC, CE, CSA, DNV, EAC, IEC 60947-4-1

Pole and Throw Configuration

3P

COO (Country of Origin):
DE

Siemens 3RT2 Series Contactor, 24/34V DC Coil Voltage, 20A Contact Current - 3RT2017-1XB42-0LA2


This contactor is an electromagnetic switching device designed for controlling three-phase loads in industrial and rail traction environments. It operates with a DC Coil and is suited to switch AC circuits under defined utilisation categories, providing a Compact DIN-rail mount solution for control panels and traction equipment.

Features and Benefits:


• 24/34V DC Coil delivers controlled actuation for DC-operated systems
• Three poles with 400V rating enable three-phase switching for motors
• 20A contact capacity supports moderate current AC loads
• 12A operational current for defined continuous use cases
• Single NC auxiliary contact offers interlock or signalling capability
• Screw terminals ensure secure electrical connections under vibration

Applications


• Suitable for motor starters in AC-3 switching
• Used for traction control modules in railway equipment
• Ideal for remote switching in industrial control cabinets
• Can be used for pipe S-type mirror contact arrangements in panels

What ambient temperatures can it tolerate during operation?


It is specified to operate between -40°C and 70°C, accommodating cold starts and elevated enclosure temperatures.

How is the unit mounted within control gear?


The product is designed for DIN-rail mounting, enabling Rapid installation and alignment in standard switchgear racks.

What approvals support its use in rail applications?


It carries approvals relevant to railway service including PRS and RMRS, permitting deployment in rolling stock and related systems.

How does the Terminal type affect maintenance?


Screw terminals allow torque-controlled connections and straightforward replacement or retightening during scheduled service.

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