Crabtree 73D/10 Polestar Compact 10A D Curve 16kA TP MCB

The Crabtree 73D/10 Polestar Compact Miniature Circuit Breaker is a robust 10A triple pole MCB engineered for the protection of three-phase electrical circuits with high inrush currents. Featuring a D curve trip characteristic and a powerful 16kA breaking capacity, it is ideally suited to demanding industrial applications involving motors, transformers, and inductive loads.

Key Features

• 10A rated current
• D curve trip characteristic (10–20 In)
• 16kA breaking capacity to BS EN 60898-1
• 15kA rating to BS EN 60947-2
• Triple pole MCB for three-phase circuit protection
• 3 module width construction
• Energy limiting Class 3 performance

Applications

Suitable for commercial and industrial three-phase installations where high inrush currents are expected, including motor control circuits, machinery protection, and transformer-fed systems.

Standards & Compliance

Manufactured in accordance with BS EN 60898-1 and BS EN 60947-2, ensuring full compliance with current UK electrical standards.

Documentation

Download the manufacturer’s data sheet