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Siemens 3RH1140-1BF40 SIRIUS Contactor Relay - 110V DC

Siemens 3RH1140-1BF40 SIRIUS Contactor Relay with 4 NO contacts.

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ManufacturerSiemens

Part number3RH1140-1BF40

Coil Voltage 110V DC

Contact Configuration 4 NO

Terminal Type Screw

Size S00

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12-month warranty

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Veteran-owned

CAGE: 9NK75

4 NO Contacts 110V DC Coil Screw Terminals Size S00 High Contact Reliability SIRIUS Series

Product description

The Siemens 3RH1140-1BF40 is a 4-pole contactor relay from the SIRIUS series, specifically designed for DC control applications. It features four normally open (NO) contacts and operates with a 110V DC coil. This model is equipped with screw terminals for reliable connections and is housed within the compact S00 frame size.

This relay is suitable for various industrial applications requiring DC switching, such as in control systems for machinery, material handling equipment, and automation panels where 110V DC is the standard control voltage. Its robust construction ensures dependable performance in demanding environments.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens 3RH1140-1BF40. We are dedicated to offering quality automation components and exceptional customer service to keep your operations running efficiently.

Technical specifications

Coil Voltage	110V DC
Contact Configuration	4 NO
Terminal Type	Screw
Size	S00
Insulation Voltage	690V
Max Operating Temp	60°C
Min Operating Temp	-25°C

Common applications

DC Control Systems

Industrial Machinery

Automation Panels

Material Handling

Control Circuits

Compatible systems

DC control systems Automation panels Industrial machinery

Also known as

Siemens SIRIUS 3RH1140-1BF40 DC Contactor Relay S00 110V DC Relay

Replaces / compatible with

This is a phased-out product. The preferred successor type is 3RH2140-1BF40.

Technical note

Expert tip

This relay has a mechanical service life of up to 30,000,000 cycles, ensuring long-term operational reliability.

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Frequently asked questions

What are the specifications of the Siemens 3RH1140-1BF40?

The Siemens 3RH1140-1BF40 is a Contactor Relay with 4 normally open (NO) contacts and a 110V DC coil. It features screw terminals, is size S00, and is part of the SIRIUS series.