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Siemens 3RH2244-1BB40 Contactor Relay - 24V DC, 4 NO + 4 NC

Siemens 3RH2244-1BB40 Contactor Relay (4 NO + 4 NC).

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ManufacturerSiemens

Part number3RH2244-1BB40

Type Contactor Relay

Number of NO Contacts 4

Number of NC Contacts 4

Coil Voltage 24 V DC

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Veteran-owned

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4 Normally Open, 4 Normally Closed Contacts 24V DC Coil Screw Terminals Captive Auxiliary Switch Frame Size S00 High Switching Capacity

Product description

The Siemens 3RH2244-1BB40 is a versatile contactor relay featuring a combination of 4 normally open (NO) and 4 normally closed (NC) contacts. It operates with a 24V DC coil and utilizes screw terminals for secure connections. This relay is housed in frame size S00 and includes a captive auxiliary switch, ensuring its integrity.

This contactor relay is suitable for complex control circuits requiring both make and break capabilities within a single unit. It finds applications in motor control, automation systems, and control panel design where multiple contact configurations are necessary for interlocking or sequencing operations.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, provides the Siemens 3RH2244-1BB40. Leverage our expertise and inventory to find quality components for your automation projects, ensuring operational continuity and cost savings.

Technical specifications

Type	Contactor Relay
Number of NO Contacts	4
Number of NC Contacts	4
Coil Voltage	24 V DC
Terminal Type	Screw
Auxiliary Switch	Captive
Frame Size	S00

Common applications

Control Circuits

Automation Systems

Motor Control

Relay Logic

Interlocking

Signaling

Switchgear

Compatible systems

Siemens SIRIUS 3RT2 Contactors Siemens SIRIUS 3RH2 Contactor Relays Industrial Control Systems

Also known as

Siemens 3RH2244-1BB40 Relay 3RH22441BB40 Siemens 4NO4NC Contactor Relay

Replaces / compatible with

This contactor relay provides a high density of auxiliary contacts for complex control sequences. It is a direct replacement for previous versions within the SIRIUS 3RH2 series.

Technical note

Expert tip

The captive auxiliary switch on the 3RH2244-1BB40 cannot be removed or replaced, simplifying installation and reducing potential points of failure.

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Frequently asked questions

What type of auxiliary switch is included with the 3RH2244-1BB40?

The Siemens 3RH2244-1BB40 comes with a captive auxiliary switch. This ensures the auxiliary switch is securely attached and always operates with the main contactor relay.