3RH24221BB40 – Contactor Relay, Latched, 2 NO + 2 NC, 24 V DC, Size S00, Screw Terminal – Siemens

The Siemens 3RH24221BB40 is a high-quality latched contactor relay designed for reliable switching applications. It features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, making it versatile for various control circuits. The relay operates on a 24 V DC supply voltage, ensuring compatibility with low-voltage control systems.

This contactor relay is part of the Size S00 series, offering a compact design that saves space in control panels. It is equipped with screw terminals for secure and easy wiring, ensuring a stable connection in demanding industrial environments.

Key features of the 3RH24221BB40 include:

• Latched Functionality: Maintains its state even after power is removed, ideal for applications requiring memory or fail-safe operation.
• 2 NO + 2 NC Contacts: Provides flexibility for both switching and control tasks.
• 24 V DC Coil Voltage: Suitable for low-voltage control systems.
• Size S00: Compact design for space-saving installation.
• Screw Terminals: Ensures reliable and secure connections.

This contactor relay is widely used in industrial automation, machinery, and control systems where reliable switching and compact design are essential. Its robust construction and Siemens’ reputation for quality make it a dependable choice for demanding applications.