Siemens 3RH21311BF40 IEC Control Relay, 3NO/1NC, 10 A, 110V DC Coil
The SIEMENS IEC Control Relay (MPN 3RH21311BF40) is a combination DIN-rail and surface-mounted relay with a 3NO/1NC contact configuration rated at 10 A and a 110V DC coil voltage. 3G Electric interprets this demand…
SKU 3G-OTH-37311
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SIEMENS IEC Control Relay (MPN 3RH21311BF40) is a combination DIN-rail and surface-mounted relay with a 3NO/1NC contact configuration rated at 10 A and a 110V DC coil voltage. 3G Electric interprets this demand and delivers the genuine Siemens part, backed by specialist expertise across 14 industrial departments — including electrical controls — to ensure you get the right solution, not just a part.
Frequently Asked Questions
What is the SIEMENS 3RH21311BF40 control relay used for?
The SIEMENS 3RH21311BF40 is an IEC control relay used for switching and controlling industrial circuits. It is commonly applied in automation panels, motor control centers, and machinery where reliable 110V DC coil operation and 10 A contact rating are required.
What are the specifications of the SIEMENS 3RH21311BF40 control relay?
The SIEMENS 3RH21311BF40 is a combination DIN-rail and surface-mounted relay with a 110V DC coil voltage, 3 normally open and 1 normally closed contacts, and a 10 A current rating. It is part of the Siemens 3RH2 series for industrial control applications.
Where to buy the SIEMENS 3RH21311BF40 control relay worldwide?
You can source the SIEMENS 3RH21311BF40 control relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the relay reaches your facility efficiently.
How to install the SIEMENS 3RH21311BF40 control relay?
To install the SIEMENS 3RH21311BF40, mount it on a DIN rail or surface using the integrated slots. Connect the 110V DC coil supply to the designated terminals and wire the 3NO/1NC contacts per your circuit diagram. Always follow Siemens' installation guidelines for safe operation.
Used in
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.
