Siemens 3RA1921-1DA00 Electrical and Mechanical Connector for 3RV1.2 and 3RT101 AC and DC

The Siemens 3RA1921-1DA00 electrical and mechanical connector is a professional accessory designed for seamless integration with 3RV1.2 and 3RT101 AC and DC devices. This specialized component ensures a reliable physical and electrical connection within industrial control systems and switchgear assemblies. Built for standard electrical installations, it facilitates secure compatibility and efficient component pairing to maintain stability across complex setups.

Advantages

This connector provides a dependable method for joining compatible control devices, ensuring both electrical continuity and mechanical stability. Its purpose-built design reduces installation time and minimizes the risk of misalignment during assembly. By utilizing this dedicated accessory, technicians can achieve a clean and organized layout within control panels, supporting consistent performance in demanding industrial environments.

Suitable for

• Connecting Siemens 3RV1.2 motor starter protectors and 3RT101 contactors
• Industrial control panel assembly and switchgear maintenance
• AC and DC circuit configurations within compatible ranges

When it may not be suitable

This connector is not compatible with device series other than the specified 3RV1.2 and 3RT101 models. It is unsuitable for standalone wiring applications or for use with higher-capacity industrial devices that require different physical dimensions or terminal layouts.

Key specifications

• Designed for Siemens 3RV1.2 and 3RT101 AC and DC devices
• Performs both electrical and mechanical connection functions
• Package weight: 30 g
• Package dimensions: 83 mm depth, 63 mm width

How to use

Ensure the main power supply is fully disconnected before attempting any installation work. Align the connector carefully with the designated terminals and mounting points of the compatible 3RV1.2 and 3RT101 devices. Press the components together gently until the mechanical latch engages securely, verifying that the electrical interfaces are properly aligned and seated. Inspect the completed assembly for stability before restoring power to the system.

What to consider before purchase

• Verify the exact model numbers of your existing Siemens devices to ensure full compatibility with 3RV1.2 and 3RT101 specifications
• Confirm whether your setup utilizes AC or DC power configurations
• Assess available space within your control enclosure for proper component mounting

Usage recommendations: Installation should be performed by qualified electrical personnel in accordance with relevant industry standards and safety regulations. Periodically inspect the connected assemblies during routine maintenance to ensure ongoing mechanical stability and reliable electrical contact.