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Siemens 3TH4040-0A Contactor Relay | 4 NO Contacts

Siemens 3TH4040-0A Contactor Relay with 4 NO contacts.

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ManufacturerSiemens

Part number3TH4040-0A

Contacts 4 NO

Terminal Type Screw

Operation AC

Standard EN 50011

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4 Normally Open Contacts Screw Terminal Connections Compliant with EN 50011 AC Operation Robust Siemens Quality

Product description

The Siemens 3TH4040-0A is a robust contactor relay designed for reliable switching applications. It features 4 normally open (NO) contacts and utilizes screw terminals for secure connections. This relay operates on AC power and is built to meet EN 50011 standards, ensuring dependable performance in industrial environments.

This contactor relay is suitable for a wide range of applications, including motor control, lighting control, and automation systems across various industries such as manufacturing, building automation, and power distribution.

As a veteran-owned business, Stanlo Automation is committed to providing high-quality surplus industrial parts. We offer competitive pricing and fast shipping on the Siemens 3TH4040-0A and other essential components, ensuring your operations run smoothly without unnecessary downtime.

Technical specifications

Contacts	4 NO
Terminal Type	Screw
Operation	AC
Standard	EN 50011

Common applications

Motor control

Lighting control

Automation systems

Control panels

Power distribution

Compatible systems

Siemens Industrial Control Systems

Also known as

Siemens 3TH4040 Relay 3TH4040 Contactor

Replaces / compatible with

Replaces older versions of Siemens 3TH contactor relays. Compatible with Siemens control system accessories.

Technical note

Expert tip

Ensure proper wiring according to EN 50011 standards for optimal performance and safety.

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Frequently asked questions

What are the contact specifications for the Siemens 3TH4040-0A?

The Siemens 3TH4040-0A features 4 normally open (NO) contacts. These contacts are designed for AC operation and ensure reliable switching in various industrial control circuits.