Crabtree 17VMAST/230 Powerstar Shunt Trip 208–277V AC / 220–250V DC

The Crabtree 17VMAST/230 Shunt Trip Unit is designed for use with Powerstar VM160 panel boards and compatible outgoing MCCBs. This accessory enables remote tripping of the MCCB when energised by an external voltage source, supporting enhanced control and safety in commercial and industrial installations.

The shunt release unit fits inside the MCCB accessory compartment and must be installed in the slots directly to the left of the toggle mechanism. Once fitted, it occupies three accessory slots within the MCCB.

Key Features

• Shunt trip unit for Powerstar VM160 outgoing MCCBs
• Rated operational voltage (Ue) AC 50/60Hz: 208–277V
• Rated operational voltage (Ue) DC: 220–250V
• Enables remote tripping when coil is energised
• Fits inside MCCB accessory compartment
• Consumes three accessory slots
• Must be fitted directly to the left of the toggle mechanism

Applications

Ideal for commercial and industrial electrical distribution systems requiring remote disconnection capability, integration with fire alarm systems, emergency stop circuits or building management systems.

Technical Documentation

Download the Crabtree 17VMAST/230 Datasheet