Home › Manufacturers › Siemens › 3RH2140-1BB40

Siemens

Siemens 3RH2140-1BB40 Contactor Relay: 4 NO, 24V DC

Siemens 3RH2140-1BB40 contactor relay with 4 NO contacts.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RH2140-1BB40

Contacts 4 NO

Coil Voltage 24V DC

Terminal Type Screw

Frame Size S00

Get a price for 3RH2140-1BB40

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

4 Normally Open Contacts 24V DC Coil Voltage Screw Terminal Connections Frame Size S00 DC Operation

Product description

The Siemens 3RH2140-1BB40 is a contactor relay featuring 4 normally open (NO) contacts. It operates on a 24V DC coil voltage and utilizes screw terminals for secure connections. This relay is built within the S00 frame size, making it a compact solution for control panels and automated systems.

This DC-operated relay is ideal for applications requiring multiple NO contacts under 24V DC control, commonly found in industrial automation, machine control, and low-voltage DC systems. Its configuration allows for versatile switching of loads or control circuits.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RH2140-1BB40. Sourcing from Stanlo ensures you get reliable, quality surplus components to maintain your operational uptime and manage costs effectively.

Technical specifications

Contacts	4 NO
Coil Voltage	24V DC
Terminal Type	Screw
Frame Size	S00

Common applications

Industrial Control Panels

DC Control Systems

Automation Machinery

Motor Control

Low-Voltage Applications

Compatible systems

DC Control Systems Industrial Automation Panels

Also known as

Siemens 3RH2140-1BB40 relay Siemens DC 4 NO relay 3RH21 DC Relay

Replaces / compatible with

This relay is a standard component for 24V DC control circuits. Ensure compatibility with your system's voltage and current requirements before replacement.

Technical note

Expert tip

The 24V DC coil of the 3RH2140-1BB40 makes it an excellent choice for integration into low-voltage control systems and applications where safety is a primary concern.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What type of terminals are used on the Siemens 3RH2140-1BB40?

The Siemens 3RH2140-1BB40 contactor relay uses screw terminals for its electrical connections. These screw terminals provide a secure and reliable connection, suitable for industrial environments.