Siemens 3RH2 Contactor Relay, 125V dc Coil, 3 A, 4 NO, 690V ac

RS Stock No.:: 216-2830
Mfr. Part No.:: 3RH2140-1BG40
Manufacturer:: Siemens

Siemens 3RH2 Contactor Relay, 125V dc Coil, 3 A, 4 NO, 690V ac

Subtotal (1 unit)*

SGD151.54

(exc. GST)

SGD165.18

(inc. GST)

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28 unit(s) ready to ship from another location

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Units	Per unit
1 +	SGD151.54

*price indicative

RS Stock No.:: 216-2830
Mfr. Part No.:: 3RH2140-1BG40
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	125V dc
	Contact Voltage	690V ac
	Contact Current	3A
	Series	3RH2
	Mount Type	DIN Rail
	Normal State Configuration	4 NO
	Number of Auxiliary Contacts	4
	Auxiliary Contact Configuration	4 NO
	Terminal Type	Screw
	Minimum Operating Temperature	-25°C
	Control Circuit Voltage Uc	690V ac
	Operational Current Ie	3A
	Maximum Operating Temperature	60°C
	Depth	73mm
	Standards/Approvals	IEC 60529, CCC, CE, CSA, EAC, IEC 60068-2-30, IEC 60947-5-1, IEC 61508, IEC 81346-2, UL
	Width	45mm
	Length	57.5mm
	Pole and Throw Configuration	4 NO

	Select all
	Brand Siemens
	Product Type Contactor Relay
	Coil Voltage 125V dc
	Contact Voltage 690V ac
	Contact Current 3A
	Series 3RH2
	Mount Type DIN Rail
	Normal State Configuration 4 NO
	Number of Auxiliary Contacts 4
	Auxiliary Contact Configuration 4 NO
	Terminal Type Screw
	Minimum Operating Temperature -25°C
	Control Circuit Voltage Uc 690V ac
	Operational Current Ie 3A
	Maximum Operating Temperature 60°C
	Depth 73mm
	Standards/Approvals IEC 60529, CCC, CE, CSA, EAC, IEC 60068-2-30, IEC 60947-5-1, IEC 61508, IEC 81346-2, UL
	Width 45mm
	Length 57.5mm
	Pole and Throw Configuration 4 NO

COO (Country of Origin):: DE

Siemens 3RH2 Series Contactor Relay, 125V DC Coil Voltage, 3A Current Rating - 3RH2140-1BG40

This contactor relay is designed for efficient automation applications, featuring a robust 4NO contact configuration. With a compact design measuring 57.5mm in length, 45mm in width, and 73mm in depth, it offers significant versatility and ease of installation on DIN rail systems. Operating at a coil voltage of 125V DC and an AC contact voltage rating of 690V, this device provides reliable performance across various industrial settings.

Features & Benefits

• Supports a maximum contact current rating of 3A for robust usage

• Mechanical life extends up to 30 million operating cycles for longevity

• Delivers a high insulation voltage of 690V for safety standards

• Auxiliary contact relay included for expanded functionality

• Shock resistance ratings ensure durability in demanding environments

• Designed for efficient heat dissipation with a power loss of only 4W

Applications

• Utilised in industrial automation systems for motor control

• Effective in power distribution for switching operations

• Suitable for controlling ancillary equipment in machinery

• Ideal for complex control systems requiring reliable relay activation

What is the range of ambient temperatures this device can operate in?

This contactor relay functions efficiently within an ambient temperature range of -25°C to +60°C, making it suitable for various operating environments.

How does the relay enhance safety in electrical systems?

With a high insulation voltage rating and several operational current ratings, it effectively manages electrical loads while reducing the risk of short circuits.

What type of mounting options are available for installation?

The relay can be easily mounted on standard 35mm DIN rails, enabling straightforward integration into existing electrical panels or enclosures.