Siemens Control Relay: DIN-Rail & Surface Relay Mounting, 24V DC Coil Volt, 6NO/2NC
The SIEMENS IEC Control Relay (MPN 3RH22621BB40) is a combination DIN-rail and surface-mounted relay with a 24V DC coil voltage and 6NO/2NC contacts rated at 10 A. 3G Electric interprets this demand, sources the…
SKU 3G-OTH-37512
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Product Description
The SIEMENS IEC Control Relay (MPN 3RH22621BB40) is a combination DIN-rail and surface-mounted relay with a 24V DC coil voltage and 6NO/2NC contacts rated at 10 A. 3G Electric interprets this demand, sources the genuine Siemens part, provides a competitive quote, and supports your application across 14 industrial departments — with specialist depth in controls as an authorised distributor.
Frequently Asked Questions
What is the SIEMENS 3RH22621BB40 control relay used for?
The SIEMENS 3RH22621BB40 is an IEC control relay used for switching and isolating circuits in industrial automation, motor control centers, and panel building. Its 6NO/2NC contact configuration and 10 A rating suit high-density control logic in manufacturing, water treatment, and energy management systems.
What are the specifications of the SIEMENS 3RH22621BB40 relay?
This SIEMENS relay has a 24V DC coil voltage, 6 normally open and 2 normally closed contacts rated at 10 A. It mounts on DIN-rail or surface, with part number 3RH22621BB40. The compact design supports IEC standards for industrial control circuits.
Where to buy the SIEMENS 3RH22621BB40 relay worldwide?
You can source the SIEMENS 3RH22621BB40 relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this part.
How to install the SIEMENS 3RH22621BB40 control relay?
Mount the relay on a DIN-rail or surface using the integrated clip. Connect the 24V DC coil supply to the designated terminals, ensuring correct polarity. Wire the 6NO/2NC contacts per your control schematic. Follow standard IEC installation practices and verify coil voltage before energizing.
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Common applications for SiemensSiemens Products
3G Electric supplies Siemens combination din-rail & surface-mounted relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















