Crabtree 72D/40 Polestar Compact 40A D Curve 16kA DP MCB

The Crabtree 72D/40 Polestar Compact Miniature Circuit Breaker is a heavy-duty 40A double pole MCB designed for circuits with high inrush currents. Featuring a D curve trip characteristic and a high 16kA breaking capacity, it provides dependable protection against overloads and short circuits while ensuring full isolation of both live and neutral conductors.

Key Features

• 40A rated current with D curve trip characteristic (10–20 In)
• High breaking capacity of 16kA to BS EN 60898-1
• 15kA rating to BS EN 60947-2
• Double pole MCB for complete isolation of live and neutral
• 2 module width format
• Energy limiting Class 3 performance

Applications

Ideal for demanding applications such as motors, transformers, industrial machinery, and power distribution circuits where high inrush currents are present and full electrical isolation is essential.

Standards & Compliance

Manufactured in accordance with BS EN 60898-1 and BS EN 60947-2, ensuring reliable operation, safety, and full regulatory compliance.

Documentation

Download the manufacturer’s data sheet