Internal accessories for SENTRON, Shunt release (Left) - 3VM9908-0BL20

Product Description

Siemens Internal Accessories – Shunt Release (Left) – 3VM9908-0BL20

The Siemens 3VM9908-0BL20 is a shunt release (left-side mounted internal accessory) designed for SENTRON 3VM MCCB systems. It enables remote tripping of the circuit breaker by applying a control voltage signal, making it an essential component for emergency shutdown (E-Stop), interlocking systems, and remote control applications in industrial electrical installations.

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

Key Features:

• Siemens SENTRON 3VM series internal accessory
• Part Number: 3VM9908-0BL20
• Shunt release (left-side mounting version)
• Rated control voltage: 380–600V AC, 50/60 Hz
• Enables remote tripping of MCCB via electrical signal
• Ideal for Emergency Stop (E-Stop) and safety interlocking systems
• Fast and reliable breaker trip operation
• Compact plug-in internal accessory design
• High insulation strength and surge voltage resistance (up to 4 kV class design)
• Suitable for Siemens 3VM MCCB up to 630A frame range
• Designed for industrial-grade durability and continuous operation
• Easy integration inside MCCB accessory slot
• Complies with Siemens SENTRON internal accessory standards