Home › Manufacturers › Siemens › 3TH4391-0B

Siemens

Siemens Contactor Relay 3TH4391-0B

Siemens Contactor Relay 3TH4391-0B.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3TH4391-0B

Type Contactor Relay

Manufacturer Siemens

Part Number 3TH4391-0B

Get a price for 3TH4391-0B

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Reliable switching Industrial grade Designed for control circuits Robust construction Siemens quality

Product description

The Siemens 3TH4391-0B is a contactor relay, a crucial component in industrial control circuits for switching higher power loads. This device is designed to provide reliable electrical switching operations in various automation applications.

Contactor relays are essential for applications requiring the control of motors, lighting, heating elements, and other electrical equipment. They are used in panel building, machine control, and building automation systems where robust and safe switching is paramount.

Stanlo Automation, a veteran-owned business, is your reliable source for surplus industrial parts. We offer a wide selection of Siemens components, ensuring you find the quality parts you need for your automation projects. Trust Stanlo for exceptional service and value.

Technical specifications

Type	Contactor Relay
Manufacturer	Siemens
Part Number	3TH4391-0B

Common applications

Motor Control

Lighting Control

Heating Control

Industrial Control Panels

Machine Automation

Compatible systems

Siemens control systems Industrial automation panels

Also known as

Siemens Relay 3TH4391 3TH4391 Contactor

Replaces / compatible with

This contactor relay is designed to meet Siemens' high standards for industrial switching applications. Please refer to Siemens documentation for specific application guidelines.

Technical note

Expert tip

Ensure the coil voltage and contact ratings are properly matched to the controlled circuit for safe and efficient operation.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the purpose of a Siemens 3TH4391-0B contactor relay?

The Siemens 3TH4391-0B is a contactor relay used in industrial control circuits to reliably switch higher power loads, such as motors or heating elements, safely and efficiently.