Siemens 3RH7921-1DA11 Auxiliary Contact Block 1 NO + 1 NC, S0-S3 Contactors Original Brand New
$2.57
Siemens 3RH7921-1DA11 Aux. contact 1 NO + 1 NC lateral, first level, 10 mm for size S0…S3 contactor with screw terminal
Overview
The Siemens 3RH7921-1DA11 is a high-quality, lateral auxiliary contact block designed to seamlessly integrate with Siemens SIRIUS 3RT contactors in sizes S0 through S3. This essential component provides additional switching capabilities with one normally open (1 NO) and one normally closed (1 NC) contact, expanding the functionality of your control circuits. Its 10 mm width and side-mounting design ensure a compact and space-saving installation, making it ideal for tight control cabinets. Featuring reliable screw terminals, the 3RH7921-1DA11 guarantees a secure and durable connection for your industrial applications.
Key Features
- 1 Normally Open (1 NO) + 1 Normally Closed (1 NC) Contacts: Provides versatile switching options for signaling, interlocking, and control circuit logic.
- Lateral Mounting: Designed for first-level, side-by-side installation, saving valuable space in your panel.
- 10 mm Width: Compact design optimized for high-density applications.
- Screw Terminals: Ensures a robust, reliable, and easily manageable electrical connection.
- Broad Contactor Compatibility: Compatible with Siemens SIRIUS 3RT contactors in sizes S0, S1, S2, and S3.
- First Level Installation: Mounts directly to the side of the contactor body for easy integration.
Benefit
- Enhanced Control Functionality: Add extra switching points to your contactor for complex control systems without requiring a separate relay.
- Space-Saving Design: The lateral mounting and slim profile free up DIN rail space for other components.
- Simplified Installation: Quick and straightforward mounting process reduces installation time and effort.
- Reliable Performance: Manufactured by Siemens, a leader in industrial automation, ensuring high performance, durability, and safety.
- Increased System Flexibility: Easily adapt your control circuits to new requirements by adding or removing these modular contact blocks.
Application
The Siemens 3RH7921-1DA11 is an indispensable component in a wide range of industrial automation and control applications, including:
- Motor control circuits
- Interlocking systems for machinery safety
- Signaling and indicator light circuits
- Control panels and switchgear
- HVAC systems and pump control
- Automation and robotics
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| Weight | 0.04 kg |
|---|---|
| Dimensions | 70 × 60 × 20 mm |
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