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Siemens Control Relay: DIN-Rail & Surface Relay Mounting, 240V AC Coil Volt, 3NO/1NC - Combination DIN-Rail & Surface-Mounted Relays
SiemensCombination DIN-Rail & Surface-Mounted Relays

Siemens Control Relay: DIN-Rail & Surface Relay Mounting, 240V AC Coil Volt, 3NO/1NC

The SIEMENS IEC Control Relay is a combination DIN-rail and surface-mounted relay with a 3NO/1NC contact configuration rated at 10 A and a 240V AC coil voltage (MPN 3RH21311AN20). 3G Electric interprets your demand…

SKU 3G-OTH-37566

Brand
Siemens
Item
Control Relay: DIN-Rail & Surface Relay Mounting, 240V AC Coil Volt, 3NO/1NC
Category
Combination DIN-Rail & Surface-Mounted Relays
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Technical Specifications

Siemens
Manufacturer Part Number
3RH21311AN20
Type
3NO/1NC, 10 A
AC Coil Volt
240V
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Control Relay is a combination DIN-rail and surface-mounted relay with a 3NO/1NC contact configuration rated at 10 A and a 240V AC coil voltage (MPN 3RH21311AN20). 3G Electric interprets your demand for this specific Siemens control component, sourcing it with full accountability and supporting your industrial application across 14 departments — with specialist depth in controls as an authorised distributor.

Frequently Asked Questions

What is the SIEMENS 3RH21311AN20 control relay used for?

The SIEMENS 3RH21311AN20 is an IEC control relay used for switching and controlling industrial circuits. It is commonly applied in motor control centers, conveyor systems, and automation panels where reliable 240V AC coil operation and 10 A contact rating are required.

What are the specifications of the SIEMENS 3RH21311AN20 relay?

This SIEMENS relay features a 240V AC coil voltage, 3 normally open and 1 normally closed contact configuration (3NO/1NC), and a 10 A rated current. It mounts on DIN-rail or surface, with part number 3RH21311AN20.

Where to buy the SIEMENS 3RH21311AN20 relay worldwide?

You can source the SIEMENS 3RH21311AN20 relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to install the SIEMENS 3RH21311AN20 control relay?

Mount the relay on a DIN-rail or surface using the integrated clip. Connect the 240V AC coil supply to the designated terminals, and wire the 3NO/1NC contacts per your control circuit. Ensure the load does not exceed 10 A. Follow standard electrical safety practices.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens 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.

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