Internal accessories for SENTRON, Shunt release (Left) – 3VM9908-0BL33

Product Description

Siemens Internal Accessories – Shunt Release (Left) – 3VM9908-0BL33

The Siemens 3VM9908-0BL33 is a shunt release (left-side internal accessory) designed for SENTRON 3VM MCCB systems. It enables remote tripping of the circuit breaker using an electrical control signal, making it a critical component for emergency shutdown (E-Stop), fire alarm integration, interlocking systems, and automated protection schemes in industrial electrical installations.

This accessory is widely used in LT panels, MCC/PCC panels, and automation control systems, where instant and reliable remote disconnection of power is required for safety and system control.

Key Features:

• Siemens SENTRON 3VM series internal accessory 

• Part Number: 3VM9908-0BL33 

• Shunt release (left-side mounting type) 

• Rated control voltage: 208–277V AC, 50/60 Hz / 220–250V DC 

• Suitable for 3VM MCCB systems (100A–630A frame range) 

• Enables remote tripping of MCCB via control signal 

• Ideal for E-Stop and safety interlocking applications 

• Fast instantaneous breaker trip operation 

• Compact plug-in internal accessory design 

• Surge voltage resistance: up to 4 kV 

• Industrial-grade durability for continuous operation 

• Easy installation inside MCCB accessory slot 

• Complies with Siemens SENTRON accessory standards