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Marvo Part ID: MV-298L

£45.30 (ex. VAT)


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Specification Description
Part Number 3RH2140-1BB40
Alternative Part Number 3RH21401BB40
Manufacturer Siemens
Part Description This is a Siemens Contactor Relay with 4 Normally Open (4NO) contacts and 4 poles (4P). It has a power rating of 4 kW.
Short Description Contactor Relay
Country of Origin Not specified
Commodity Code 85364900

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3RH2140-1BB40 Product Description

The Siemens 3RH2140-1BB40 is a robust and reliable contactor relay, designed to offer superior performance in a variety of industrial applications. This compact device, part of the renowned SIRIUS product line, features four Normally Open (NO) contacts, making it a versatile choice for your control circuit needs.

With a control supply voltage rated at 24V DC and a holding power of 4W, this contactor relay ensures efficient operation. It boasts an impressive mechanical service life of approximately 30 million switching cycles, offering longevity and reducing the need for frequent replacements.

The 3RH2140-1BB40 is designed to withstand ambient temperatures ranging from -25 to +60 degrees Celsius during operation, and -55 to +80 degrees Celsius during storage. This makes it suitable for use in challenging environments.

The device also features a screw terminal connection, ensuring secure and stable connectivity. With an insulation voltage rated at 690V and a surge voltage resistance of 6kV, this contactor relay offers excellent protection against voltage fluctuations.

In summary, the Siemens 3RH2140-1BB40 contactor relay is a high-quality, durable and efficient device, designed to meet your industrial control circuit requirements.

Frequently Asked Questions

What is the function of this Siemens Contactor Relay?

The Siemens 3RH2140-1BB40 is a contactor relay that is primarily used to control electric motors and other high power electrical loads. It has 4 Normally Open (NO) contacts and operates at a power of 4 kW.

What are the key specifications of this contactor relay?

This Siemens Contactor Relay operates at a control supply voltage of 24V DC. It has a closing and holding power of magnet coil at DC of 4W. The relay can operate in an ambient temperature range of -25 to +60 degrees Celsius.

What is the size of this contactor relay?

The Siemens 3RH2140-1BB40 belongs to the S00 size category of contactors. This makes it compact and suitable for various industrial applications.

What is the insulation voltage of this contactor relay?

The Siemens 3RH2140-1BB40 has an insulation voltage rated value of 690V with a degree of pollution 3.

What is the mechanical service life of this contactor relay?

The Siemens 3RH2140-1BB40 has a mechanical service life of approximately 30 million switching cycles, making it a durable choice for industrial applications.

What is the surge voltage resistance of this contactor relay?

The Siemens 3RH2140-1BB40 has a surge voltage resistance rated value of 6kV.

What is the protection class of this contactor relay?

The Siemens 3RH2140-1BB40 has a protection class IP20 on the front.

What is the operating current of this contactor relay at AC-15?

At AC-15, the Siemens 3RH2140-1BB40 has an operating current of 10A at 230V, 3A at 400V, 2A at 500V, and 1A at 690V.