Crabtree 73B/32 Polestar Compact 32A B Curve 16kA TP MCB

The Crabtree 73B/32 Polestar Compact Miniature Circuit Breaker is a high-capacity
32A triple pole MCB designed to protect three-phase electrical circuits against
overloads and short circuits. Featuring a B curve trip characteristic and a
robust 16kA breaking capacity, it ensures reliable and balanced protection across
all three phases in commercial and industrial environments.

Key Features

• 32A rated current with B curve trip characteristic (3–5 In)
• High breaking capacity of 16kA to BS EN 60898-1
• 15kA rating to BS EN 60947-2
• Triple pole MCB for three-phase circuit protection
• 3 module width format
• Energy limiting Class 3 performance

Applications

Ideal for three-phase lighting, distribution circuits, and small power applications where lower
inrush currents are expected, making it suitable for a wide range of commercial and industrial
electrical installations.

Standards & Compliance

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

Documentation

Download the manufacturer’s data sheet