Siemens Door-coupling, rotary operating mechanism, 330mm shaft

Product Overview

The Siemens 3RV2926-1K is the Siemens SIRIUS Door-coupling Rotary Operating Mechanism for Circuit Breakers Size S00…S3. It allows safe and convenient external operation of compatible SIRIUS 3RV2 circuit breakers through a cabinet door or panel front. With a long 330 mm shaft, this mechanism supports installations where the breaker is mounted deep inside the enclosure, enabling switching and isolation without opening the panel.

Key Features

• Rotary door-coupling mechanism for SIRIUS 3RV2 circuit breakers
• Compatible with breaker sizes S00, S0, S2 and S3
• Long 330 mm shaft for deep cabinet installations
• Lockable in the OFF position for maintenance safety
• Interlock function helps prevent accidental operation
• Ergonomic black rotary handle
• Suitable for front-panel or door mounting
• Designed for rugged industrial use

Technical Specifications

• Article Number: 3RV2926-1K
• Product Type: Door-coupling rotary operating mechanism
• Compatible Series: Siemens SIRIUS 3RV2
• Compatible Sizes: S00, S0, S2, S3
• Shaft Length: 330 mm
• Handle Color: Black
• Lockable: Yes — OFF position
• Mounting Orientation: Any orientation
• Operating Temperature: –20 °C to +70 °C (typical)
• Approx. Weight: 0.23 kg

Compliance & Certifications

• Designed for use with Siemens SIRIUS 3RV2 circuit breakers
• Meets industrial safety requirements for panel-mounted operating mechanisms
• Supports safe electrical isolation and lockout procedures

Applications

The Siemens 3RV2926-1K is ideal for control cabinets, switchgear assemblies, and motor control centers where the breaker is mounted inside but must be operated safely from the exterior. It is used in manufacturing lines, machine panels, automation systems, pump stations, and any installation requiring ergonomic, secure and lockable external breaker operation without opening the cabinet door.