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

RS Stock No.:: 203-2156
Mfr. Part No.:: 3RH2131-1BF40
Manufacturer:: Siemens

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

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PHP4,942.91

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PHP5,536.06

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RS Stock No.:: 203-2156
Mfr. Part No.:: 3RH2131-1BF40
Manufacturer:: Siemens

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Product Type	Contactor Relay
	Coil Voltage	110 V dc
	Contact Voltage	690V
	Contact Current	10A
	Series	3RH2
	Mount Type	DIN Rail
	Normal State Configuration	3 NO/1 NC
	Number of Auxiliary Contacts	4
	Auxiliary Contact Configuration	3 NO/1 NC
	Terminal Type	Screw
	Control Circuit Voltage Uc	110 V
	Minimum Operating Temperature	-25°C
	Operational Current Ie	10A
	Maximum Operating Temperature	60°C
	Depth	73mm
	Length	57.5mm
	Standards/Approvals	CCC, CE, CSA, EAC, IEC 60529, IEC 60947-5-1, IEC 61508, UL
	Width	45 mm

	Select all
	Brand Siemens
	Product Type Contactor Relay
	Coil Voltage 110 V dc
	Contact Voltage 690V
	Contact Current 10A
	Series 3RH2
	Mount Type DIN Rail
	Normal State Configuration 3 NO/1 NC
	Number of Auxiliary Contacts 4
	Auxiliary Contact Configuration 3 NO/1 NC
	Terminal Type Screw
	Control Circuit Voltage Uc 110 V
	Minimum Operating Temperature -25°C
	Operational Current Ie 10A
	Maximum Operating Temperature 60°C
	Depth 73mm
	Length 57.5mm
	Standards/Approvals CCC, CE, CSA, EAC, IEC 60529, IEC 60947-5-1, IEC 61508, UL
	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.