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Siemens 3RH2422-1BW40 Latched Contactor Relay — 48V DC, 2 NO + 2 NC

Siemens 3RH2422-1BW40 Latched Contactor Relay, 48V DC.

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ManufacturerSiemens

Part number3RH2422-1BW40

Contacts 2 NO + 2 NC

Coil Voltage 48V DC

Terminal Type Screw

Frame Size S00

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Latched Operation 2 Normally Open Contacts 2 Normally Closed Contacts 48V DC Coil Screw Terminals Compact Size S00

Product description

The Siemens 3RH2422-1BW40 is a latched contactor relay designed for 48V DC control circuits, commonly found in various industrial and mobile applications. It is equipped with 2 normally open (NO) and 2 normally closed (NC) contacts, a 48V DC coil, and secure screw terminals. This relay is part of the compact 3RH2 series, offering reliability in a small footprint.

This latched relay is ideal for applications where 48V DC power is standard, such as in mobile equipment, certain railway applications, or specific industrial control systems. Its latched functionality allows for state retention without continuous power draw.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3RH2422-1BW40. We ensure that all our surplus components are quality-tested, providing you with dependable solutions at competitive prices.

Technical specifications

Contacts	2 NO + 2 NC
Coil Voltage	48V DC
Terminal Type	Screw
Frame Size	S00
Operation	Latched

Common applications

Mobile Equipment

Railway Applications

Industrial Control Systems

48V DC Power

Automation

Compatible systems

Siemens 3RT2 Contactors Siemens 3RH2 Series Components

Also known as

Siemens 3RH2 48V DC Relay 3RH2422 48V DC

Replaces / compatible with

This latched contactor relay is suitable for DC control applications using a 48V DC supply. It is compatible with Siemens 3RT2 contactors and other 3RH2 series accessories.

Technical note

Expert tip

The 48V DC coil rating makes this latched relay a good choice for systems powered by standard battery banks or DC power supplies in mobile and industrial settings.

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Frequently asked questions

What type of power supply is required for the Siemens 3RH2422-1BW40?

The Siemens 3RH2422-1BW40 requires a 48V DC power supply for its coil. This DC voltage is used to engage and hold the relay in its latched state.