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Siemens 7PA1033-3EF Plug-in Relay, 6 C/O Contacts, 110V DC

Siemens 7PA1033-3EF Plug-in Relay with 6 Changeover Contacts, 110V DC.

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ManufacturerSiemens

Part number7PA1033-3EF

Type Plug-in Relay

Contacts 6 Changeover (C/O)

Contact Material Silver Nickel

Coil Voltage 110V DC

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6 Changeover contacts Silver Nickel contact material 110V DC coil Includes link and quenching diode Plug-in design for easy replacement Reliable switching

Product description

The Siemens 7PA1033-3EF is a plug-in relay featuring 6 changeover (C/O) contacts made of silver nickel for enhanced conductivity and durability. It is designed for operation with a 110V DC coil voltage and includes a built-in link and a quenching diode to protect the coil from voltage spikes and reduce switching noise.

This relay is suitable for a wide range of control and switching applications in industrial automation, power distribution, and building management systems. Its plug-in design allows for easy installation and replacement, making it ideal for systems where maintenance and flexibility are key.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 7PA1033-3EF. We understand the importance of reliable components for your operations and are committed to providing quality surplus parts to keep your systems running efficiently.

Technical specifications

Type	Plug-in Relay
Contacts	6 Changeover (C/O)
Contact Material	Silver Nickel
Coil Voltage	110V DC
Features	Link, Quenching Diode
Mounting	Plug-in Socket

Common applications

Industrial Control

Power Distribution

Building Automation

Relay Logic

Automation Systems

Signal Switching

Compatible systems

Standard 14-pin plug-in relay sockets Control systems requiring 6 C/O switching functions

Also known as

Siemens 6 C/O plug-in relay 110V DC 7PA1033-3EF relay Siemens industrial plug-in relay

Replaces / compatible with

This plug-in relay is designed to be compatible with standard 14-pin plug-in relay sockets and can replace other 6 C/O relays with similar coil voltages and pin configurations.

Technical note

Expert tip

The integrated quenching diode suppresses voltage transients when the coil is de-energized, protecting downstream electronic components.

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Frequently asked questions

What is the contact material and rating of the Siemens 7PA1033-3EF relay?

The Siemens 7PA1033-3EF relay features 6 changeover (C/O) contacts made from silver nickel. This material offers good electrical conductivity and resistance to wear, suitable for many industrial switching applications.