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Siemens 3RH2122-1BM40 Contactor Relay - 220V DC, 2 NO + 2 NC

Siemens 3RH2122-1BM40 Contactor Relay with 220V DC coil, 2 NO + 2 NC contacts.

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ManufacturerSiemens

Part number3RH2122-1BM40

Coil Voltage 220V DC

Contacts 2 NO + 2 NC

Terminal Type Screw

Frame Size S00

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2 Normally Open (NO) and 2 Normally Closed (NC) contacts 220V DC coil voltage Screw terminals for secure connection Compact frame size S00 High DC voltage rating for coil

Product description

The Siemens 3RH2122-1BM40 is a contactor relay from the SIRIUS 3RH2 series, specifically designed for 220V DC control circuits. It features a 220V DC coil and offers a contact configuration of 2 normally open (NO) and 2 normally closed (NC) contacts. The relay utilizes screw terminals for secure electrical connections and is built in the compact frame size S00.

This high-voltage DC contactor relay is employed in industrial applications requiring robust switching capabilities with DC control power. It is suitable for use in high-power DC motor control, industrial process automation, and control systems where 220V DC is the standard control voltage. The 2 NO + 2 NC contacts provide flexibility for complex control and signaling logic.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RH2122-1BM40. We specialize in providing quality industrial automation components, including surplus and obsolete items. Trust Stanlo Automation for reliable parts and dedicated service for your industrial control needs.

Technical specifications

Coil Voltage	220V DC
Contacts	2 NO + 2 NC
Terminal Type	Screw
Frame Size	S00
Series	SIRIUS 3RH2

Common applications

High-voltage DC control

Industrial automation

Motor control

Control panels

Power systems

Specialized DC applications

Compatible systems

Siemens Control Systems DC Control Circuits Industrial Automation Panels

Also known as

Siemens 3RH2122-1BM40 DC relay Siemens 220V DC contactor relay 3RH2122-1BM40 SIRIUS relay

Replaces / compatible with

This 220V DC contactor relay is a suitable replacement for Siemens 3RH2 or 3RH1 series contactor relays with a 220V DC coil requirement.

Technical note

Expert tip

When operating the 3RH2122-1BM40 with a 220V DC coil, ensure the power source is stable and consider appropriate DC-rated surge protection devices.

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Frequently asked questions

What is the coil voltage and contact configuration of the Siemens 3RH2122-1BM40 contactor relay?

The Siemens 3RH2122-1BM40 contactor relay is designed for a 220V DC coil voltage. It is equipped with 2 normally open (NO) and 2 normally closed (NC) contacts, making it suitable for various industrial control applications requiring high DC voltage.