Siemens 3RT2 Contactor, 72V dc Coil, 3-Pole, 40 A, 11 kW 72V dc, 1 NO/1 NC, 690V

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TH - SK- PDP
RS Stock No.:
156-177
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.:
3RT2026-2XJ40-0LA2
ผู้ผลิต:
Siemens
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Brand

Siemens

Product Type

Contactor

Coil Voltage

72V dc

Number of Poles

3

Contact Voltage

690V

Contact Current

40A

Power Rating

11kW

Series

3RT2

Function

Mirror Contact, Motor Control

Mount Type

DIN Rail

Normal State Configuration

1 NO/1 NC

Number of Auxiliary Contacts

2

Auxiliary Contact Configuration

1 NO/1 NC

Terminal Type

Spring Loaded

Control Circuit Voltage Uc

72V dc

Operational Current Ie

25A

Contactor Application

Traction Contactor

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

70°C

Depth

107mm

Length

102mm

Width

45mm

Standards/Approvals

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

Pole and Throw Configuration

3P

COO (Country of Origin):
DE

Siemens 3RT2 Series Contactor, 72V Control Circuit Voltage, 40A Contact Current - 3RT2026-2XJ40-0LA2


This contactor is a three-pole switching device designed for electrical control and motor switching in industrial installations. It operates within traction and AC motor control contexts and is built for DIN-rail mounting, offering a Compact switching solution for control panels and machinery where DC Coil operation is required.

Features and Benefits:


• 72V DC Coil enabling remote control with common DC supplies
• 40A rated contacts for handling medium load currents
• 690V contact rating allowing high-voltage switching
• 25A operational current suited to continuous motor duty
• 11kW power rating for managing moderate electric drives
• Spring-loaded terminals for secure, vibration-resistant connections

Applications


• Suitable for traction contactor roles in rail and transit systems
• Ideal for AC-3 motor switching in pump and fan drives
• Used with control cabinets requiring DIN-rail mounted devices
• Can be used for replacement in equipment needing mirror pipe S-type contacts
• Used for installations demanding a contactor with both NO and NC auxiliaries

What auxiliary switching options are available for control logic?


It provides one normally open and one normally closed auxiliary contact for interlocks and signalling.

How many main poles does it use and what switching configuration is offered?


The device uses three poles in a 3P arrangement to switch three-phase circuits.

Which Terminal arrangement helps with Rapid installation in panels?


Spring-loaded terminals reduce wiring time and maintain contact under vibration.

What ambient temperatures can the device tolerate during operation?


It is rated to function down to -40°C and up to 70°C for a wide range of environments.

Which standards describe its suitability for industrial electrical control?


It conforms to recognised international standards for contactors and associated control devices.

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