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Siemens 3TH4031-0BB4 DC Contactor Relay - 3 NO, 1 NC

Siemens 3TH4031-0BB4 DC Contactor Relay, 3 NO + 1 NC.

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ManufacturerSiemens

Part number3TH4031-0BB4

Contacts 3 NO + 1 NC

Coil Voltage DC 24V

Terminals Screw

Standards EN 50 011

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3 Normally Open, 1 Normally Closed Contacts DC Operation Screw Terminals EN 50 011 Compliant Versatile Control

Product description

The Siemens 3TH4031-0BB4 is a DC-operated contactor relay designed with 3 normally open (N/O) and 1 normally closed (N/C) auxiliary contacts. It utilizes a DC 24V solenoid system for reliable operation in DC control circuits. The relay features screw terminals for secure and efficient wiring and adheres to EN 50 011 standards.

This contactor relay is ideal for DC control applications in industrial automation, control panels, and machinery control where a combination of normally open and normally closed contacts is required. Its configuration supports complex control logic and safety interlocks.

As a veteran-owned surplus parts distributor, Stanlo Automation offers the Siemens 3TH4031-0BB4. We provide high-quality surplus components with excellent service and competitive pricing.

Technical specifications

Contacts	3 NO + 1 NC
Coil Voltage	DC 24V
Terminals	Screw
Standards	EN 50 011

Common applications

DC Control Circuits

Automation Systems

Control Panels

Machinery Control

Industrial Automation

Compatible systems

DC control systems Automation panels

Also known as

Siemens 3TH4031-0BB4 DC Relay

Replaces / compatible with

This part is a Siemens 3TH4031-0BB4 DC auxiliary contactor relay.

Technical note

Expert tip

Ensure a stable 24V DC power supply to the coil for consistent and reliable operation of the contacts.

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Frequently asked questions

What are the contact arrangement and coil voltage for the Siemens 3TH4031-0BB4?

The Siemens 3TH4031-0BB4 contactor relay has a 3 normally open (NO) and 1 normally closed (NC) contact arrangement and operates on a 24V DC coil.