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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.

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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SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 00, 9 A, 240V AC Coil (MPN 22BUB32AG). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 190-220/220-240V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
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SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC Coil (MPN 22DUE32AF). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 110/120V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
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SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, Electronic Protection (MPN 22DUA32AA). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 110-120/220-240V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
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SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, Electronic Protection (MPN 22DUA32AA). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 110-120/220-240V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 0, 18 A, 208V AC Coil (MPN 22CUA32AD). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 208V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
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SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 0, 18 A, 208V AC Coil (MPN 22CUA32AD). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 208V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).