3RA2912-2H

The 3RA2912-2H is a side mechanical interlock accessory specifically for Siemens SIRIUS S00 class contactors. It is applicable to the 3RT201x (3RT2.1) series contactors. Each set includes two connectors and one interlocking plate, which can prevent two contactors from operating simultaneously. It supports combinations of 3-pole and 4-pole contactors. It is an original factory product. Contact Kenxin Motor for supply inquiries.

Share To

Siemens 3RA2912-2H S00 contactor side mechanical interlock

Product Positioning

The 3RA2912-2H is a side mechanical interlock accessory specifically for Siemens SIRIUS S00 class contactors. It is installed between two gapless 3RT201x series contactors arranged side by side. Through a mechanism, it prevents both from engaging simultaneously. It is an indispensable safety accessory when assembling forward and reverse starters and is suitable for combinations of 3-pole and 4-pole contactors.

Core Product Advantages and Features

Side mechanical interlock

Installed on the sides of the two contactors to prevent simultaneous engagement via a mechanism.

Kit contents

One set includes 2 connectors and 1 interlocking plate; no additional parts required.

Supports 3/4 pole combinations

3RT201x series contactor combinations can be used with 3-pole or 4-pole contactors.

gapless installation

Two contactors are assembled side-by-side with a 0mm gap.

Safety protection

Reduce the risk of short circuits caused by malfunctions in forward and reverse configurations.

project	Specification
brand	Siemens
series	SIRIUS 3RA29
model	3RA2912-2H
use	S00 contactor side mechanical interlock
Applicable contactors	3RT201x (3RT2.1) series, S00 grade
Kit contents	Two connectors and one interlocking piece.
Applicable number of poles	3-pole, 4-pole
Assembly spacing	Contactors installed in parallel with no gap (0mm)
country of origin	Germany

Recommend

3RA2913-2AA1-C

The 3RA2913-2AA1-C is a wiring kit for Siemens SIRIUS S00 reversible starters, 3RA2913-2AA1. It features a 3-pole screw terminal design, includes a mechanical interlock and connecting clip, and can assemble two S00 contactors into a reversible starter. Please confirm with Kenxin Motor before placing an order if there are any differences in the actual version.

3RA2912-0

The 3RA2912-0 is a basic module for Siemens SIRIUS star-delta (Y-Δ) starters, used to connect 3RT2 series contactors to assemble star-delta starters. It is one of the basic components for forming a complete Y-Δ starter assembly. Limited information is available in the catalog. Please refer to the actual product or the manufacturer's data for detailed dimensions and weight. Supplied directly by the manufacturer.

3RA2943-2C

The Siemens 3RA2943-2C is an electrical wiring kit for star-delta starters in the SIRIUS 3RA29 series. It is suitable for combinations of S3-sized main contactors and delta contactors, and S2-sized star contactors. It provides a complete set of wiring and terminal accessories to help correctly wire the three contactors to form a complete star-delta reduced voltage starting circuit.