3VA9221-0WK40
Product ID:155802
Updated: 2026/7/9
Key Features
- 1Enhance insulation reliability for 3VA20/21/22 systems.
- 2Ensure durable performance in demanding electrical installations.
- 3Simplify installation with a broadened 4-pole accessory design.
- 4Upgrade system safety using a single-unit accessory.
- 5Integrate seamlessly with Siemens SENTRON products.
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Technical Specifications
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