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Siemens 3TH4280-0BB4 Contactor Relay - 8 NO, 24V DC

Siemens 3TH4280-0BB4 Contactor Relay with 8 NO contacts, 24V DC.

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ManufacturerSiemens

Part number3TH4280-0BB4

Type Contactor Relay

Manufacturer Siemens

Part Number 3TH4280-0BB4

Contacts 8 NO

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8 Normally Open (NO) Contacts DC Operation 24V DC Coil Voltage Screw Terminals Conforms to EN 50011 High Reliability

Product description

The Siemens 3TH4280-0BB4 is a contactor relay designed for reliable control applications. It conforms to EN 50011 standards and features 8 normally open (NO) contacts. This model operates on DC voltage, specifically 24V DC, and is equipped with convenient screw terminals for easy and secure wiring.

This contactor relay is suitable for a wide range of industrial automation tasks, including motor control, lighting control, and general switching applications. It is commonly found in control panels, machine building, and systems requiring precise electrical switching in sectors such as manufacturing, processing, and building automation.

Stanlo Automation, a veteran-owned business, offers this Siemens 3TH4280-0BB4 with a commitment to quality and service. We provide access to essential industrial parts, ensuring your operations run smoothly with reliable and readily available components.

Technical specifications

Type	Contactor Relay
Manufacturer	Siemens
Part Number	3TH4280-0BB4
Contacts	8 NO
Operation	DC
Voltage	24 V DC
Terminal Type	Screw Terminal
Standard	EN 50011

Common applications

Motor Control

Lighting Control

Automation Systems

Control Panels

Machine Building

Switching Applications

Compatible systems

Various Siemens control systems PLC control inputs General automation panels

Also known as

Siemens Contactor Relay 3TH4280-0BB4 Siemens 24V DC Relay 8 NO Contactor Relay

Replaces / compatible with

This contactor relay is designed to replace or supplement existing Siemens contactor relays in similar configurations. Refer to Siemens documentation for exact compatibility.

Technical note

Expert tip

Ensure proper ventilation around the contactor relay to maintain optimal operating temperature, especially in high-cycle applications.

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Frequently asked questions

What are the key specifications of the Siemens 3TH4280-0BB4 contactor relay?

The Siemens 3TH4280-0BB4 is a contactor relay with 8 normally open (NO) contacts, designed for 24V DC operation. It features screw terminals and conforms to the EN 50011 standard, making it suitable for various industrial switching applications.