Siemens 3VA9978-0BB27 Undervoltage release 1 pc(s)

Undervoltage release 440-480V AC 50/60Hz Accessories for 3VA4/5/6 Internal accessories for 3VA compact circuit breaker. With the internal accessories of the 3VA compact circuit breaker they flexibly cover a number of application cases. Due to the color and mechanical coding, all components can be installed in a fail-safe manner and are continuous across all series of the 3VA compact circuit breaker. These accessory components are particularly distinguished by: 1. Flexible use for a variety of applications. 2. Colour and mechanical coding for fault-free installation in the accessories pockets of the compact circuit breaker. 3. Continuous internal accessories for 3VA compact circuit breaker. 4. Available internal accessories: Auxiliary switch, advanced auxiliary switch, trip and short circuit switch (3VA1 only), auxiliary release (voltage, residual current, undervoltage and universal release), cylinder lock.

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