Siemens Control Relay: DIN-Rail & Surface Relay Mounting, 24V DC Coil Volt, 4NO
The SIEMENS IEC Control Relay is a combination DIN-rail and surface-mounted relay with 4 normally open contacts rated at 10 A and a 24 V DC coil voltage (MPN 3RH21401BB40). 3G Electric interprets your demand for this…
SKU 3G-OTH-37400
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Product Description
The SIEMENS IEC Control Relay is a combination DIN-rail and surface-mounted relay with 4 normally open contacts rated at 10 A and a 24 V DC coil voltage (MPN 3RH21401BB40). 3G Electric interprets your demand for this specific control component, sources it from our extensive network across 14 industrial departments, and supports your application with specialist depth in electrical controls.
Frequently Asked Questions
What is the SIEMENS 3RH21401BB40 control relay used for?
The SIEMENS 3RH21401BB40 is an IEC control relay used for switching and controlling industrial loads such as motors, valves, and lighting. Its 4NO contacts and 10 A rating make it suitable for automation panels, conveyor systems, and machine control in manufacturing and process industries.
What are the specifications of the SIEMENS 3RH21401BB40 relay?
The SIEMENS 3RH21401BB40 is a 4NO, 10 A control relay with a 24 V DC coil voltage. It mounts on DIN-rail or surface, making it versatile for panel layouts. The part number is 3RH21401BB40, and it is designed for IEC industrial environments requiring reliable switching.
Where to buy the SIEMENS 3RH21401BB40 relay worldwide?
You can source the SIEMENS 3RH21401BB40 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 Siemens control relay.
How to install the SIEMENS 3RH21401BB40 relay on a DIN-rail?
To install the SIEMENS 3RH21401BB40 on a DIN-rail, snap the relay onto the rail until it locks. For surface mounting, use the provided screw holes. Ensure the 24 V DC coil voltage matches your control circuit. Wire the 4NO contacts according to your load requirements, and verify polarity if needed.
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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.
