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Siemens 3TH4031-0BM4 Contactor Relay - 3NO+1NC, 220V DC

Siemens 3TH4031-0BM4 Contactor Relay with 3NO+1NC contacts, 220V DC.

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ManufacturerSiemens

Part number3TH4031-0BM4

Type Contactor Relay

Contacts 3 NO + 1 NC

Coil Voltage 220 V DC

Terminals Screw terminals

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3 Normally Open (NO) contacts 1 Normally Closed (NC) contact 220 V DC coil operation Screw terminal connections Conforms to EN 50 011 Reliable control switching

Product description

The Siemens 3TH4031-0BM4 is a contactor relay designed for control circuit applications. It adheres to EN 50 011 standards and features 3 normally open (NO) and 1 normally closed (NC) contacts. This relay operates with a 220 V DC coil and utilizes screw terminals for secure electrical connections.

This contactor relay is ideal for implementing logic functions, interlocks, and signaling within automation systems. Its application spans across various industries, including manufacturing, building automation, and control panel design, where reliable switching of auxiliary circuits is required.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3TH4031-0BM4. We provide a reliable source for quality surplus components, ensuring that your control systems can be maintained or expanded with cost-effective and dependable parts.

Technical specifications

Type	Contactor Relay
Contacts	3 NO + 1 NC
Coil Voltage	220 V DC
Terminals	Screw terminals
Standard	EN 50 011
Series	3TH40

Common applications

Control circuits

Interlocking functions

Logic control

Signaling circuits

Automation panels

Motor starters

Compatible systems

Compatible with Siemens control systems and suitable for use in standard industrial control panels with appropriate DC power sources.

Also known as

Siemens 3TH40 Contactor Relay 3TH4031 Relay Siemens 220V DC Relay

Replaces / compatible with

The 3TH4031-0BM4 is a standard component for control circuits and can be used to replace similar Siemens contactor relays or other relays with equivalent contact configurations and coil voltages. Always verify specifications.

Technical note

Expert tip

The 220 V DC coil of the 3TH4031-0BM4 requires a stable DC power supply and should be protected by an appropriate fuse or circuit breaker in the control circuit.

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Frequently asked questions

What is the contact configuration of the Siemens 3TH4031-0BM4 contator relay?

The Siemens 3TH4031-0BM4 contactor relay features a configuration of 3 normally open (NO) contacts and 1 normally closed (NC) contact. This setup is suitable for a variety of control and interlocking functions.