Siemens SIRIUS Direct-On-Line Starter 3.6A 690V AC Chassis Mount IP20 3 Poles

Siemens 3RA2120-1FA24-0BB4 Direct-On-Line Starter is a 3-pole motor starting device with a 3.6 amp current rating and supports operation at up to 690 volts AC. Designed for chassis mounting, this IP20 rated unit ensures secure installation and protection against solid objects larger than 12 mm. It includes a contactor with one normally open and one normally closed contact configuration, suited for controlling small motors in industrial environments.

The starter features compact overall dimensions of 193 mm length, 45 mm width, and 107 mm depth, enabling an efficient footprint in control panels or motor control centers. As part of the Siemens SIRIUS series, it delivers dependable performance in automation and electric motor applications.

This model complies with an extensive range of international certifications such as CSA, UL, EAC, ATEX, CE, RMRS, DNV-GL, RINA, and PRS, offering high confidence in product quality and safety. It is especially suitable for use in hazardous areas certified according to ATEX directives, making it ideal for industrial, manufacturing, HVAC, and automation sectors requiring explosion-proof components.

The unit accepts a 24 V DC screw terminal control voltage and supports installation on standard mounting rails. It incorporates type of coordination 1 and 2 with an interrupting capacity of 150 kA ensuring protection and rapid switch-off during faults.

Applications include motor starting and load control for industrial and commercial systems where robust and compact Motor Starters are essential. Rated current of 3.6 amps suitable for small motor applications. Chassis mount type allows easy installation on standard mounting rails.

IP20 rated enclosure providing protection against ingress of solid objects larger than 12 mm. Compatible with 690 V AC maximum operational voltage ensuring high-voltage capability. Includes 1 NO plus 1 NC contactor to enable load control and signaling.

Complies with multiple international standards including CSA, UL, EAC, ATEX, CE, RMRS, DNV-GL, RINA, PRS. Certified for ATEX hazardous area usage ensuring safety in explosive environments. Compact dimensions with overall length 193 mm, width 45 mm, and depth 107 mm.

Part of Siemens SIRIUS series known for reliable motor control components. Explore more Siemens automation and motor starter products on EnvMart for your industrial, laboratory, and construction electrical projects.