SENTRON 3VA - Accessories - 3VA9988-0BA23

Product Description

Siemens SENTRON 3VA – Accessories – 3VA9988-0BA23

The Siemens 3VA9988-0BA23 is a shunt trip (auxiliary release) accessory designed for SENTRON 3VA molded case circuit breakers (MCCB). It allows remote tripping of the circuit breaker, enabling safe and fast disconnection of the electrical circuit through an external control signal.

This accessory is commonly used in industrial automation systems, emergency shutdown circuits, fire alarm interfacing, and remote control panels, where breaker tripping must be performed electrically from a control room or protection system.

It is designed for 208–277 V AC operating voltage (50/60 Hz) and fits compatible 3VA1 and 3VA20–3VA26 MCCB frames, ensuring reliable integration into Siemens modular protection systems.

Key Features:

• Shunt trip / auxiliary release accessory for Siemens 3VA MCCB 

• Enables remote tripping of circuit breaker 

• Operating voltage: 208–277 V AC (50/60 Hz) 

• Fast and reliable electrical release mechanism 

• Suitable for emergency shutdown systems 

• Compact plug-in internal accessory design 

• Compatible with 3VA1 and 3VA20–3VA26 MCCBs 

• High reliability industrial-grade construction 

• Easy installation inside MCCB accessory slot 

• Suitable for automation and safety interlocking systems