Product Overview

Reversing starter, 3RM1, 500 V, 0.55 - 3 kW, 1.6 - 7 A, 24 V DC, screw terminals

This SIRIUS 3RM1 reversing starter (Article Number: 3RM1207-1AA04) is a compact, intelligent motor starter that combines multiple functions in a single 22.5 mm wide enclosure. The device features hybrid switching technology with electronic overload protection, providing efficient and reliable bidirectional control for three-phase motors up to 3 kW. With its 500 V rating and adjustable current range of 1.6 to 7 A, this reversing starter offers excellent performance for medium-power motor applications requiring direction change capability.

Key Features

• Compact 22.5 mm width for space-efficient installation
• Reversing starter configuration for bidirectional motor control
• High power capability up to 3 kW motor rating
• Electronic overload protection with Class 10A characteristics
• Hybrid switching technology combining relay contacts and power semiconductors
• LED diagnostics for fast error identification
• Test/reset button for easy operation and maintenance
• Energy efficient design with reduced power consumption
• Screw terminals for main and control circuits
• DIN rail mounting for standard panel installation
• Wide current setting range from 1.6 to 7 A

Technical Specifications

• Net Weight: 0.327 kg
• Packaging Dimensions: 36.00 x 109.00 x 167.00 mm
• Packaging Quantity: 1 piece
• Quantity Unit: 1 Piece
• Country of Origin: Germany
• Rated Voltage: 500 V
• Power Rating: 0.55 - 3 kW
• Current Range: 1.6 - 7 A (adjustable)
• Control Voltage: 24 V DC
• Protection Class: IP20
• Width: 22.5 mm
• Overall Length: 141.6 mm
• Short Circuit Rating: 60 kA (480 V AC; UL489/CSA rating)
• Connection Type: Screw-clamp connections

Applications

• Heavy-duty conveyor systems requiring bidirectional operation
• Large machine tools with reversing motor requirements
• Industrial material handling equipment needing forward/reverse control
• Manufacturing machinery with directional control needs
• Process control applications requiring medium-power motor reversal
• Pumping systems with reversible flow requirements
• Mixing and agitation equipment needing bidirectional operation

Advanced Features

• Solid-state overload relay for precise motor protection
• Fast diagnostics with LED status indication
• Reduced wiring requirements for simplified installation
• Multifunctional design combining multiple protection functions
• Innovative enclosure concept with labeled cover caps
• Removable terminals for easy maintenance
• Reversing capability with integrated direction control
• Interlocking protection to prevent simultaneous forward/reverse operation
• Higher current capacity for demanding applications

Safety Features

• Electronic interlocking prevents simultaneous activation of forward and reverse contactors
• Overload protection for each direction of rotation
• Short circuit protection with integrated circuit breaker
• Thermal monitoring for motor protection
• Enhanced protection for higher power applications

Product Classifications

• Product Lifecycle: PM300 Active Product
• eClass: 27-37-09-05 (versions 6-14)
• ETIM: EC001037 (versions 7, 8 & 9)
• UNSPSC: 39-12-15-21

Compliance & Certifications

• Export Control: AL: N / ECCN: N
• RoHS Compliance: Since 01.03.2017
• WEEE Take-Back Obligation: Yes
• Certifications: CCC, CSA, UL, EAC, ATEX available

REACH Compliance

Information obligation imposed by Article 33, REACH Regulation: This product includes articles containing substances from the candidate list in concentrations higher than 0.1% weight by weight (w/w): Lead, Lead monoxide (lead oxide), 2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol, 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one, and 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol. Based on current information, these substances do not pose risk when used as intended, including disposal. Please refer to product documentation for additional guidance.

Download existing graphical data for this product:

For technical documentation and CAD files, please visit:

• Official Product Datasheet (PDF)
• SIRIUS 3RM1 Motor Starter Manual
• Siemens Industry Mall Product Page
• Siemens PARTcommunity for 3D CAD Models
• Siemens Technical Support Center for technical documentation requests