Crabtree 73C/63 Polestar Compact 63A C Curve 16kA TP MCB

The Crabtree 73C/63 Polestar Compact Miniature Circuit Breaker is a heavy-duty 63A triple pole MCB designed to provide dependable protection for high-load three-phase electrical installations. Featuring a C curve trip characteristic and a high 16kA breaking capacity, it is ideal for circuits with moderate inrush currents such as large motors, transformers, and industrial equipment.

Key Features

• 63A rated current
• C curve trip characteristic (5–10 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 design
• Energy limiting Class 3 performance

Applications

Suitable for demanding commercial and industrial three-phase systems, including main distribution boards, plant rooms, and machinery circuits where higher current loads and moderate inrush conditions are expected.

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