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Siemens 3RA28111CW10 Front-Mounted IEC Delay Timer - Front-Mounted IEC Delay Timers
SiemensFront-Mounted IEC Delay Timers

Siemens 3RA28111CW10 Front-Mounted IEC Delay Timer

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
3RA28111CW10 Front-Mounted IEC Delay Timer
Category
Front-Mounted IEC Delay Timers
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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

Technical Specifications

Siemens
Manufacturer Part Number
3RA28111CW10
Mounting
Front
Compatible with Series
3RT2 Contactors
Maximum Voltage Rating
240V AC/DC

Technical Documents

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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.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
DIN-rail mounted time delay relay with pulse (delayed/instantaneous) function. Input voltage 12 to 240V AC/DC. Contact rating 3 A at 24/250/400V AC. 10 terminals. Suitable for timing and pulse control in industrial automation panels
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This DIN-rail mounted time delay relay from Siemens provides an On Delay function. It operates on a universal input voltage of 12 to 240V AC/DC and has a contact rating of 3 A at 24/250/400V AC. The 7-pin/terminal device is suited for industrial control applications such as motor sequencing and conveyor timing
DIN-rail mounted time delay relay with passing make contact function and control signal input. Operates on 12 to 240V AC/DC and switches up to 3 A at 24/250/400V AC. Suitable for industrial control panels requiring precise timing in automation, conveyor, and process control applications
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DIN-rail mounted time delay relay with passing make contact function and control signal input. Operates on 12 to 240V AC/DC and switches up to 3 A at 24/250/400V AC. Suitable for industrial control panels requiring precise timing in automation, conveyor, and process control applications
This front-mounted on-delay timer provides adjustable timing from 0.1 to 60 seconds with 2 normally open and 2 normally closed contacts. It operates with a 120V AC coil and is rated for a maximum voltage of 600V AC. Typical applications include industrial control panels for motor starters, conveyor systems, and HVAC sequencing requiring timed start delays
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This front-mounted on-delay timer provides adjustable timing from 0.1 to 60 seconds with 2 normally open and 2 normally closed contacts. It operates with a 120V AC coil and is rated for a maximum voltage of 600V AC. Typical applications include industrial control panels for motor starters, conveyor systems, and HVAC sequencing requiring timed start delays
Front-mounted on-delay timer for TeSys Deca series. Delay range 0.3 sec to 3 sec with 1NO/1NC contacts. Maximum voltage rating 690V AC. Used in industrial motor control and automation circuits to introduce a programmable delay before energizing the load
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Front-mounted on-delay timer for TeSys Deca series. Delay range 0.3 sec to 3 sec with 1NO/1NC contacts. Maximum voltage rating 690V AC. Used in industrial motor control and automation circuits to introduce a programmable delay before energizing the load
On-delay timer module for TeSys Deca series contactors and starters. Provides adjustable timing from 0.1 to 30 seconds with 1 normally open and 1 normally closed contact. Rated for 690V AC. Used in motor control and automation systems to introduce a timed delay before energizing loads
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On-delay timer module for TeSys Deca series contactors and starters. Provides adjustable timing from 0.1 to 30 seconds with 1 normally open and 1 normally closed contact. Rated for 690V AC. Used in motor control and automation systems to introduce a timed delay before energizing loads

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Front-mounted IEC off-delay timer with adjustable timing range from 0.05 to 100 seconds. Features a 1 normally open contact and operates on a 24-240V AC/DC coil with a maximum voltage rating of 240V AC/DC. Compatible with 3RT2 contactors for use in industrial motor control and automation systems such as conveyor sequencing and pump control
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Front-mounted IEC off-delay timer with adjustable timing range from 0.05 to 100 seconds. Features a 1 normally open contact and operates on a 24-240V AC/DC coil with a maximum voltage rating of 240V AC/DC. Compatible with 3RT2 contactors for use in industrial motor control and automation systems such as conveyor sequencing and pump control