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Siemens 3TH4244-0BB4 Contactor Relay | 4 NO, 4 NC, 24V DC

Siemens 3TH4244-0BB4 Contactor Relay with 4 NO + 4 NC contacts.

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ManufacturerSiemens

Part number3TH4244-0BB4

Contacts 4 NO + 4 NC

Operation DC

Coil Voltage 24V DC

Terminal Type Screw

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4 Normally Open, 4 Normally Closed Contacts 24V DC Coil Operation Screw Terminal Connections EN 50011 Compliant DC Switching Capability

Product description

The Siemens 3TH4244-0BB4 is a contactor relay from the 44E series, built to EN 50011 standards, specifically designed for DC operation. It features 4 normally open (NO) and 4 normally closed (NC) contacts, with screw terminals for secure and reliable connections. This model operates on a 24V DC coil voltage.

This DC-operated contactor relay is essential for control systems that utilize DC power, such as in renewable energy applications, battery-backed systems, or specific industrial machinery. It provides reliable switching for various loads within these DC environments.

Stanlo Automation, your trusted veteran-owned surplus parts distributor, offers the Siemens 3TH4244-0BB4. We are committed to providing high-quality, tested industrial components at competitive prices, ensuring your automation projects are supported by reliable surplus parts.

Technical specifications

Contacts	4 NO + 4 NC
Operation	DC
Coil Voltage	24V DC
Terminal Type	Screw
Standard	EN 50011
Series	44E

Common applications

DC control systems

Renewable energy

Battery backup systems

Industrial machinery

Automation panels

DC motor control

Compatible systems

Siemens DC Control Systems Automation Equipment Renewable Energy Systems

Also known as

Siemens 3TH4244 DC Relay 44E Contactor Relay DC

Replaces / compatible with

Compatible with Siemens control systems and accessories designed for DC voltage. Suitable for replacing older 24V DC contactor relays.

Technical note

Expert tip

Ensure proper polarity when connecting the 24V DC coil to avoid damage to the relay.

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Frequently asked questions

What is the coil voltage and type of operation for the Siemens 3TH4244-0BB4?

The Siemens 3TH4244-0BB4 contactor relay is designed for DC operation with a 24V DC coil voltage, ensuring compatibility with DC control power sources.