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Siemens 3TH2722-0AM0 Contactor Relay — 22E, 2 NO + 2 NC, 220V AC

Siemens 3TH2722-0AM0 Contactor Relay, 2 NO + 2 NC, 220V AC

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ManufacturerSiemens

Part number3TH2722-0AM0

Part Number 3TH2722-0AM0

Manufacturer Siemens

Contacts 2 NO + 2 NC

Coil Voltage 220V AC 50 Hz / 264V AC 60 Hz

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2 Normally Open Contacts 2 Normally Closed Contacts Mechanical Latching 220V AC Coil EN 50011 Standard Screw Terminals

Product description

The Siemens 3TH2722-0AM0 is a contactor relay from the 22E series, designed for AC operation. It features 2 normally open (NO) and 2 normally closed (NC) contacts and includes mechanical latching for added functionality. The coil operates on 220V AC at 50 Hz or 264V AC at 60 Hz, with screw terminals for easy connection.

This relay is particularly useful in applications requiring sustained contact states or where manual override and holding mechanisms are beneficial. It's commonly applied in control panels, building automation, and light industrial machinery.

Stanlo Automation, a veteran-owned supplier, provides a reliable source for surplus Siemens automation components like the 3TH2722-0AM0. We ensure you get quality parts at competitive prices to keep your systems running.

Technical specifications

Part Number	3TH2722-0AM0
Manufacturer	Siemens
Contacts	2 NO + 2 NC
Coil Voltage	220V AC 50 Hz / 264V AC 60 Hz
Terminal Type	Screw
Latching	Mechanical
Standard	EN 50011
Operation	AC
Product Status	Phased-out

Common applications

Control Systems

Building Automation

Light Industrial Machinery

Relay Logic

Signaling

Interlocking Circuits

Compatible systems

Control Panels Automation Systems Machine Controls

Also known as

Siemens 3TH2722 Siemens 22E Contactor Relay Siemens 2 NO 2 NC Relay AC

Replaces / compatible with

This part is a phased-out product. The successor is the SIRIUS 3RH21 series. Compatible with Siemens 3RH21 accessories.

Technical note

Expert tip

The mechanical latching feature is ideal for applications where maintaining a switch state without continuous power consumption is critical.

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Frequently asked questions

Does the Siemens 3TH2722-0AM0 have a mechanical latching feature?

Yes, the Siemens 3TH2722-0AM0 contactor relay is equipped with a mechanical latching mechanism, allowing it to hold its state without continuous coil power.