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Siemens Timing Relay: On Delay, 0.05 sec – 100 sec, 1NO - Front-Mounted IEC Delay Timers
SiemensFront-Mounted IEC Delay Timers

Siemens Timing Relay: On Delay, 0.05 sec – 100 sec, 1NO

The SIEMENS Timing Relay (MPN 3RA28111CW10) is a front-mounted IEC delay timer with an on-delay function, adjustable from 0.05 to 100 seconds, featuring one normally open contact and a 24-240V AC/DC coil. It has a…

SKU 3G-OTH-40479

Brand
Siemens
Item
Timing Relay: On Delay, 0.05 sec – 100 sec, 1NO
Category
Front-Mounted IEC Delay Timers
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Technical Specifications

Siemens
Manufacturer Part Number
3RA28111CW10
Mounting
Front
Compatible with Series
3RT2 Contactors
Maximum Voltage Rating
240V AC/DC
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Timing Relay (MPN 3RA28111CW10) is a front-mounted IEC delay timer with an on-delay function, adjustable from 0.05 to 100 seconds, featuring one normally open contact and a 24-240V AC/DC coil. It has a maximum voltage rating of 240V AC/DC and is compatible with 3RT2 contactors.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SIEMENS 3RA28111CW10 timing relay used for?

The SIEMENS 3RA28111CW10 timing relay provides an on-delay function for industrial motor control circuits. It is commonly used with 3RT2 contactors to sequence starting, staging, or protection delays in conveyor systems, pumps, and HVAC equipment, ensuring precise timing from 0.05 to 100 seconds.

What are the specifications of the SIEMENS 3RA28111CW10 timing relay?

The SIEMENS 3RA28111CW10 is a front-mounted IEC delay timer with an on-delay range of 0.05 to 100 seconds. It features one normally open contact, a 24-240V AC/DC coil, and a maximum voltage rating of 240V AC/DC. It is compatible with the 3RT2 contactor series.

Where to buy the SIEMENS 3RA28111CW10 timing relay worldwide?

3G Electric supplies the SIEMENS 3RA28111CW10 timing relay worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Siemens relay to any country.

How to install the SIEMENS 3RA28111CW10 timing relay?

Mount the SIEMENS 3RA28111CW10 relay on the front of a 3RT2 contactor using the provided clips. Wire the coil to a 24-240V AC/DC supply and connect the normally open contact per your control schematic. Adjust the delay via the front dial. Always de-energize circuits before installation.

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 front-mounted iec delay timers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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