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Siemens 3RH1244-1BB40 4 NO + 4 NC Contactor Relay (24V DC)

Siemens 3RH1244-1BB40 DC Contactor Relay with 4 NO + 4 NC contacts.

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ManufacturerSiemens

Part number3RH1244-1BB40

Type Contactor Relay

Manufacturer Siemens

Part Number 3RH1244-1BB40

Coil Voltage 24V DC

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4 Normally Open Contacts 4 Normally Closed Contacts Size S00 24V DC Coil Screw Terminal Connections Captive Auxiliary Contacts

Product description

The Siemens 3RH1244-1BB40 is a contactor relay designed with 4 normally open (NO) and 4 normally closed (NC) auxiliary contacts. It operates on a 24V DC coil and is suitable for size S00 applications, featuring screw terminals.

This relay is commonly used in control systems for motor starters, automation equipment, and power distribution panels where DC control voltage is prevalent. Its robust design ensures reliable switching in demanding industrial environments.

Stanlo Automation, a veteran-owned surplus distributor, provides access to essential industrial components like the 3RH1244-1BB40. Secure your automation projects with our reliable and competitively priced surplus parts.

Technical specifications

Type	Contactor Relay
Manufacturer	Siemens
Part Number	3RH1244-1BB40
Coil Voltage	24V DC
Auxiliary Contacts	4 NO + 4 NC
Size	S00
Terminal Type	Screw Terminal
Series	SIRIUS 3RH1

Common applications

DC Control Systems

Motor Control

Automation Panels

Industrial Control

Machine Building

Relay Logic

Compatible systems

Compatible with Siemens control systems and panels requiring a 24V DC auxiliary relay.

Also known as

Siemens 3RH1244-1BB40 24VDC Relay SIRIUS 3RH1244-1BB40 Siemens DC Contactor Relay

Replaces / compatible with

This is a phased-out product. The preferred successor is the SIRIUS 3RH2244-1BB40. Consult the successor for current product availability.

Technical note

Expert tip

Ensure the DC control voltage is stable at 24V to prevent premature coil failure.

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Frequently asked questions

What is the preferred successor for the Siemens 3RH1244-1BB40?

The preferred successor for the Siemens 3RH1244-1BB40 is the SIRIUS 3RH2244-1BB40. This newer series offers similar functionality and specifications for modern control systems.