Siemens 3VA9988-0AA21 Leading Changeover Switch HP
Siemens 3VA9988-0AA21 leading changeover switch with HP contacts (14mm).
The Siemens 3VA9988-0AA21 is a leading changeover switch accessory for Siemens 3VA series circuit breakers. It features Type HP (14mm) changeover contacts, enabling it to manage switching operations and provide status feedback for the associated breaker. This component is designed for integration with 3VA11-15 and 3VA20-26 molded case circuit breakers.
This accessory is vital for advanced control and monitoring in electrical systems. Its leading changeover contact functionality allows for pre-emptive signaling of breaker status changes or control of external circuits based on breaker position. It finds applications in complex industrial automation, switchgear, and power management systems where precise control and reliable indication are paramount.
Stanlo Automation, a veteran-owned surplus parts distributor, provides access to specialized components like the Siemens 3VA9988-0AA21. We understand the importance of reliable automation parts and ensure our surplus inventory meets the needs of industrial clients looking for quality and value.
| Type | Leading Changeover Switch |
| Contact Type | Changeover Contacts |
| Contact Width | 14 mm (HP) |
| Series | 3VA Accessory |
| Compatibility | 3VA11-15, 3VA20-26 |