3VA9978-0AA11

Product ID:147772
Updated: 2026/7/8
Siemens 3VA9978-0AA11

Key Features

  • 1Expand circuit breaker functions with a modular auxiliary switch design.
  • 2Ensure compatibility across 3VA4, 3VA5, and 3VA6 breaker series.
  • 3Optimize electrical distribution system reliability and process control.
  • 4Utilize reliable HP-type (14mm) auxiliary switch changerover contacts.
  • 5Access free delivery options from authorized stock for quick shipment.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
Delivery Release (PM300)
Country of Origin
Germany
ECCN
N
AL
N
Model Number
3VA9978-0AA11

Specifications may be subject to change without notice

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