Siemens Auxiliary switch transverse, screw terminal, 1 c/o Part number 3RV2901-1D

Product Overview

The Siemens 3RV2901-1D is a transverse-mounted auxiliary switch for SIRIUS 3RV motor protection circuit breakers. It features one changeover contact (1 C/O) with screw terminal connection and is used to signal the switching state of the breaker for control, monitoring or interlocking purposes. This compact accessory snaps directly onto the breaker, enabling reliable auxiliary indication without increasing device footprint significantly.

Key Features

• Auxiliary switch for SIRIUS 3RV motor protection circuit breakers
• Transverse mounting design — space-efficient installation
• 1 changeover contact (1 C/O) for signaling and control feedback
• Screw terminal connection for secure wiring
• Provides ON/OFF status indication for automation systems
• Simple clip-on installation — no additional mounting hardware required
• Suitable for interlocking, status indication, remote monitoring, PLC input feedback, and control logic

Technical Specifications

• Article Number: 3RV2901-1D
• Product Type: Auxiliary switch — transverse mount
• Contact Configuration: 1 C/O (1 changeover)
• Connection Type: Screw terminals
• Mounting: Front/transverse accessory clip-on for 3RV circuit breakers
• Compatibility: Siemens SIRIUS 3RV motor protection circuit breakers
• Function: Status feedback, signaling, interlocking, monitoring

Compliance & Standards

• Designed as an official accessory for Siemens SIRIUS 3RV protection devices
• Industrial-grade auxiliary signaling component for low-voltage control systems

Applications

Used for providing breaker status indication in industrial control panels, automation systems, MCCs, and machinery. Ideal when remote indication, PLC feedback, interlocking circuits, or auxiliary control logic is required for a 3RV motor protection circuit breaker.