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Siemens 3TH2022-7BB4 DC Contactor Relay — 2 NO + 2 NC, 24V DC

Siemens 3TH2022-7BB4 2 NO + 2 NC Contactor Relay with 24V DC coil.

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ManufacturerSiemens

Part number3TH2022-7BB4

Type Contactor Relay

Series 22E (EN 50011)

Contacts 2 NO + 2 NC

Coil Voltage 24 V DC

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2 Normally Open contacts 2 Normally Closed contacts DC coil operation Flat connector terminals EN 50011 standard Phased-out product

Product description

The Siemens 3TH2022-7BB4 is a 22E series contactor relay, built to EN 50011 standards, featuring 2 normally open (NO) and 2 normally closed (NC) contacts. It is designed for DC operation with a 24 V DC coil and utilizes flat connector terminals for connection.

This DC contactor relay is used in control circuits where 24V DC is the standard control voltage. Its 2 NO and 2 NC contact configuration provides essential logic functions for automation systems, and the flat terminals allow for quick and efficient wiring in control panels and machinery.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3TH2022-7BB4. This product is phased out, and the SIRIUS 3RH21 series is its successor. We aim to provide reliable surplus components to keep your operations running efficiently.

Technical specifications

Type	Contactor Relay
Series	22E (EN 50011)
Contacts	2 NO + 2 NC
Coil Voltage	24 V DC
Terminals	Flat Connector
Operation	DC

Common applications

DC control circuits

Automation panels

Motor starter auxiliaries

Industrial machinery

Quick connect applications

Compatible systems

DC control panels Automation systems Machine wiring

Also known as

Siemens 24V DC flat relay 3TH2022 DC flat terminal 2NO2NC 24V DC flat relay Siemens 22E DC relay

Replaces / compatible with

This part is phased out and succeeded by the Siemens SIRIUS 3RH21 series. It can be used to replace other Siemens 22E series contactor relays with flat connectors and a 24V DC coil.

Technical note

Expert tip

This unit requires a 24V DC power source for the coil. Ensure the flat connectors are properly seated for a reliable connection. It's a phased-out model, with SIRIUS 3RH21 as the successor.

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Frequently asked questions

What is the DC coil voltage for the Siemens 3TH2022-7BB4 contactor relay with flat terminals?

The Siemens 3TH2022-7BB4 contactor relay with flat terminals is designed for DC operation and features a 24 V DC coil. Ensure your control system provides this specific DC voltage for proper activation of the relay.