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Siemens Compact Magnetic Motor Starter: Reversing, 3 Poles, Electronic Protection - Reversing Starters with Electronic Overloads
SiemensReversing Starters with Electronic Overloads

Siemens Compact Magnetic Motor Starter: Reversing, 3 Poles, Electronic Protection

The SIEMENS Compact Magnetic Motor Starter: Reversing (SKU 19YM48, MPN 3RM12021AA14) is a reversing starter with electronic overloads, featuring 3 poles, electronic protection, a 2 A rating, and 110-230V AC…

SKU 3G-OTH-44073

Brand
Siemens
Item
Compact Magnetic Motor Starter: Reversing, 3 Poles, Electronic Protection
Category
Reversing Starters with Electronic Overloads
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Technical Specifications

Siemens
Manufacturer Part Number
3RM12021AA14
Type
Electronic Protection, 2 A
AC
110-230V
Poles
3
Pilot Lights Included
LED Status Indicator
Auxiliary Contacts Included
1NO/1NC
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Compact Magnetic Motor Starter: Reversing (SKU 19YM48, MPN 3RM12021AA14) is a reversing starter with electronic overloads, featuring 3 poles, electronic protection, a 2 A rating, and 110-230V AC operation. It includes an LED status indicator and 1NO/1NC auxiliary contacts.

Frequently Asked Questions

What is the SIEMENS 3RM12021AA14 reversing motor starter used for?

The SIEMENS 3RM12021AA14 is a compact reversing magnetic motor starter with electronic overload protection. It is used to control the forward and reverse rotation of three-phase motors in industrial applications such as conveyors, pumps, and hoists, where direction change is required.

What are the specifications of the SIEMENS 3RM12021AA14 reversing starter?

The SIEMENS 3RM12021AA14 is a 3-pole reversing starter with electronic protection rated at 2 A and 110-230V AC. It includes an LED status indicator and 1NO/1NC auxiliary contacts. The MPN is 3RM12021AA14, and it is part of the Siemens compact motor starter series.

Where to buy the SIEMENS 3RM12021AA14 reversing starter worldwide?

You can source the SIEMENS 3RM12021AA14 reversing starter through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the SIEMENS 3RM12021AA14 reversing motor starter?

Mount the SIEMENS 3RM12021AA14 on a DIN rail or panel, connect the 110-230V AC control voltage, and wire the motor to the output terminals. Ensure the electronic overload is set to the motor's full-load current. Refer to the Siemens manual for detailed wiring and safety instructions.

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 reversing starters with electronic overloads. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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