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Siemens 3RH1140-1BM40 SIRIUS Contactor Relay - 220V DC

Siemens 3RH1140-1BM40 SIRIUS Contactor Relay with 4 NO contacts.

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ManufacturerSiemens

Part number3RH1140-1BM40

Coil Voltage 220V DC

Contact Configuration 4 NO

Terminal Type Screw

Size S00

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Veteran-owned

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4 NO Contacts 220V DC Coil Screw Terminals Size S00 High Contact Reliability SIRIUS Series

Product description

The Siemens 3RH1140-1BM40 is a 4-pole contactor relay from the SIRIUS series, designed for DC control applications. It features four normally open (NO) contacts and operates with a 220V DC coil. This model is equipped with screw terminals for secure connections and is housed within the compact S00 frame size.

This relay is suitable for a variety of industrial applications requiring higher voltage DC switching, such as in heavy machinery, power control systems, and automation applications where 220V DC is utilized. The four NO contacts provide ample switching capability for demanding control tasks.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RH1140-1BM40. We provide high-quality industrial automation components and reliable service to meet your procurement needs.

Technical specifications

Coil Voltage	220V DC
Contact Configuration	4 NO
Terminal Type	Screw
Size	S00
Insulation Voltage	690V
Operating Temp	-25 to +60 °C

Common applications

DC Power Control

Heavy Machinery

Automation Systems

Industrial Control Panels

High Voltage DC

Compatible systems

High-voltage DC control systems Industrial automation panels Heavy-duty machinery

Also known as

Siemens SIRIUS 3RH1140-1BM40 DC Contactor Relay 220V DC Control Relay

Replaces / compatible with

This is a phased-out product. The preferred successor type is 3RH2140-1BM40.

Technical note

Expert tip

Designed for continuous duty, this relay's solenoid coil can handle prolonged energization without overheating.

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Frequently asked questions

What are the coil voltage and contact configuration of the Siemens 3RH1140-1BM40?

The Siemens 3RH1140-1BM40 is a contactor relay with a 220V DC coil and features four normally open (NO) contacts. It utilizes screw terminals and is built in the S00 frame size.