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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 (MPN 3RM12021AA04) is a reversing starter with electronic overloads, featuring 3 poles, 2 A rating, and 24V DC control voltage. It includes an LED status…

SKU 3G-OTH-43792

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
3RM12021AA04
Type
Electronic Protection, 2 A
DC
24V
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 (MPN 3RM12021AA04) is a reversing starter with electronic overloads, featuring 3 poles, 2 A rating, and 24V DC control voltage. It includes an LED status indicator and 1NO/1NC auxiliary contacts for monitoring and control integration.

Frequently Asked Questions

What is the SIEMENS 3RM12021AA04 reversing motor starter used for?

The SIEMENS 3RM12021AA04 compact magnetic motor starter is used to reverse the direction of a three-phase motor in industrial applications such as conveyors, hoists, and pumps. It integrates electronic overload protection and an LED status indicator for monitoring, making it suitable for automated control systems.

What are the specifications of the SIEMENS 3RM12021AA04?

The SIEMENS 3RM12021AA04 is a reversing starter with 3 poles, a 2 A rating, and 24V DC control voltage. It features electronic overload protection, an LED status indicator, and 1NO/1NC auxiliary contacts. This compact unit integrates reversing and overload functions in a single device for space-saving panel installation.

Where to buy the SIEMENS 3RM12021AA04 worldwide?

3G Electric supplies the SIEMENS 3RM12021AA04 reversing motor starter to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this SIEMENS compact starter with electronic overload protection.

How to select the correct SIEMENS reversing starter for a motor?

To select the correct SIEMENS reversing starter like the 3RM12021AA04, match the motor's full-load current (2 A max for this model) and control voltage (24V DC). Ensure the starter's pole count (3) matches the motor phases. Verify auxiliary contact requirements (1NO/1NC included) for integration with your PLC or control system.

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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