Crabtree 17VMAST/24 Powerstar Shunt Trip 24V AC / 24–30V DC

The Crabtree 17VMAST/24 Shunt Trip Unit is designed for use with Powerstar VM160 panel boards and compatible outgoing MCCBs. This accessory enables remote tripping of the breaker when the coil is energised by an external control voltage.

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

Key Features

• Shunt trip unit for Powerstar VM160 outgoing MCCBs
• Rated operational voltage (Ue) AC 50/60Hz: 24V
• Rated operational voltage (Ue) DC: 24–30V
• Provides 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 installations requiring low-voltage remote disconnection, including integration with fire alarm systems, emergency stop circuits and building management systems.

Technical Documentation

Download the Crabtree 17VMAST/24 Datasheet