Siemens Control Relay: DIN-Rail & Surface Relay Mounting, 250V DC Coil Volt, 3NO/1NC
The SIEMENS IEC Control Relay is a combination DIN-rail and surface-mounted relay (MPN 3RH21311BM40) with a 3NO/1NC contact configuration rated at 10 A and a 250V DC coil voltage. 3G Electric interprets this demand…
SKU 3G-OTH-37300
Need installation or engineering help?
Ask a question
Product Description
The SIEMENS IEC Control Relay is a combination DIN-rail and surface-mounted relay (MPN 3RH21311BM40) with a 3NO/1NC contact configuration rated at 10 A and a 250V DC coil voltage. 3G Electric interprets this demand and delivers it across 14 industrial departments — with specialist depth in controls as an authorised distributor alongside brands such as Schneider, ABB, and Siemens.
Frequently Asked Questions
What is the SIEMENS 3RH21311BM40 IEC control relay used for?
This SIEMENS IEC control relay is used for switching and controlling industrial circuits up to 10 A. It is commonly applied in motor control centers, conveyor systems, and automation panels where reliable DC coil operation at 250 V is required.
What are the specifications of the SIEMENS 3RH21311BM40 relay?
The SIEMENS 3RH21311BM40 is a 3NO/1NC control relay rated for 10 A. It features a 250 V DC coil voltage and mounts on both DIN-rail and surface. This combination mounting flexibility suits panel builders and maintenance teams.
Where to buy the SIEMENS 3RH21311BM40 relay worldwide?
3G Electric supplies the SIEMENS 3RH21311BM40 relay to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this IEC control relay.
How to install the SIEMENS 3RH21311BM40 relay on a DIN rail?
To install the SIEMENS 3RH21311BM40, snap the relay onto a standard 35 mm DIN rail until it locks. For surface mounting, use the integrated mounting holes. Always verify the 250 V DC coil polarity and torque connections per the manufacturer's instructions.
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.
