Crabtree 73C/50 Polestar Compact 50A C Curve 16kA TP MCB

The Crabtree 73C/50 Polestar Compact Miniature Circuit Breaker is a high-capacity 50A triple pole MCB designed to deliver reliable protection for three-phase electrical installations. With a C curve trip characteristic and a robust 16kA breaking capacity, it is ideal for circuits subject to moderate inrush currents such as motors, transformers, and industrial plant equipment.

Key Features

• 50A 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 distribution boards, control panels, and machinery circuits where higher load currents 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