Siemens 3RH2 Contactor Relay, 110 V dc Coil, 10 A 110 V dc, 3 NO/1 NC, 690V ac

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RS Stock No.:
203-2156
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.:
3RH2131-1BF40
ผู้ผลิต:
Siemens
ค้นหาผลิตภัณฑ์ที่คล้ายกันโดยเลือกคุณลักษณะอย่างน้อยหนึ่งรายการ
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Brand

Siemens

Coil Voltage

110 V dc

Product Type

Contactor Relay

Contact Voltage

690V ac

Contact Current

10A

Series

3RH2

Mount Type

DIN Rail

Normal State Configuration

3 NO/1 NC

Auxiliary Contact Configuration

3 NO/1 NC

Number of Auxiliary Contacts

4

Terminal Type

Screw

Control Circuit Voltage Uc

110 V dc

Minimum Operating Temperature

-25°C

Operational Current Ie

10A

Maximum Operating Temperature

60°C

Standards/Approvals

CCC, CE, CSA, EAC, IEC 60529, IEC 60947-5-1, IEC 61508, UL

Depth

73mm

Length

57.5mm

Width

45 mm

COO (Country of Origin):
DE

Siemens 3RH2 Series Contactor Relay, 110V DC Coil Voltage, 10A Current Rating - 3RH2131-1BF40


This reversing contactor is a versatile component in the automation and electrical fields, built to efficiently control motor functions. Designed for industrial applications, it features a robust 3-pole configuration and operates seamlessly at a coil voltage of 24V DC. The compact dimensions of 68mm in height, 90mm in width, and 73mm in depth ensure easy integration into various setups.

Features & Benefits


• Facilitates motor reversing operations for enhanced functionality

• Compatible with 400V AC systems to meet diverse requirements

• Supports 9A current, suitable for significant load demands

• Designed for DIN rail mounting, simplifying installation

• Incorporates screw terminals for secure electrical connections

Applications


• Utilised in automation systems for motor control

• Used in manufacturing lines for directional control of machinery

• Suitable for HVAC systems enabling fan motor reversal

• Used in material handling equipment for improved operational efficiency

What are the thermal limits of operation for this component?


It can operate effectively within temperatures ranging from -25°C to +60°C, ensuring reliability in various environments.

How many operating cycles can it handle before maintenance is required?


This contactor typically offers a mechanical service life of around 10 million operating cycles, allowing for extensive use before service is needed.

What type of terminal connections does it use for the control circuit?


The reversing contactor employs screw-type terminals for both the main current and auxiliary circuits, ensuring stable connections.

What is the significance of the coil voltage rating?


The 24V DC coil voltage is essential for low-voltage control applications, enhancing safety and compatibility with existing control systems.

How does this reversing contactor manage short-circuit protection?


It is designed with specific fuse requirements to safeguard against short circuits, including a necessary gG fuse rating of 35A for the main circuit.

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