Siemens Trip Alarm Switch Auxiliary Contact Circuit Breaker Accessory 3VA9988-0AB11

Siemens 3VA9988-0AB11 trip alarm switch is an auxiliary contact accessory designed for use with 3VA molded case circuit breakers up to 630 A. These auxiliary and alarm switches are designed as changeover contacts allowing a high degree of flexibility for planning and installation in various electrical applications.

The trip alarm switches signal every circuit breaker trip regardless of cause and operate when the main contacts open during a trip event. This ensures reliable monitoring and protection in industrial and commercial electrical systems.

The units comply with international standards including CE, UKCA, RoHS, EAC, WEEE, and REACH, and are manufactured in Serbia to ensure quality and reliability. Rated voltages available include 230 VAC and 24 VDC, making them suitable for diverse control and automation environments.

Compatible with all sizes of 3VA molded case circuit breakers up to 630 A. Flexible installation with changeover contact design. Reliable trip signaling function for safety systems. Meets multiple international standards for safety and environmental compliance.

Manufactured in Serbia with stringent quality controls. Supports industrial automation and electrical protection applications. Rated for common electrical system voltages. This Siemens trip alarm switch accessory is essential for enhancing circuit breaker monitoring and ensuring industrial safety in electrical installations.

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