3VA9221-0WK40
Product ID:155802
Updated: 2026/4/17
Key Features
- 1Enhance insulation reliability for 3VA20/21/22 systems. 2、Ensure durable performance in demanding electrical installations. 3、Simplify installation with a broadened 4-pole accessory design. 4、Upgrade system safety using a single-unit accessory. 5、Integrate seamlessly with Siemens SENTRON products.
Technical Specifications
Detailed engineering parameters
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