Crabtree 73B/40 Polestar Compact 40A B Curve 16kA TP MCB
Crabtree 73B/40 Polestar Compact 40A B Curve 16kA TP MCB
The Crabtree 73B/40 Polestar Compact Miniature Circuit Breaker is a robust 40A triple pole MCB engineered to protect three-phase electrical circuits against overloads and short circuits. With a B curve trip characteristic and a high 16kA breaking capacity, it provides dependable and balanced protection across all three phases in commercial and industrial installations.
Key Features
- 40A 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, power distribution, and control circuits where lower inrush currents are expected, making it suitable for a wide range of commercial and industrial electrical environments.
Standards & Compliance
Manufactured in accordance with BS EN 60898-1 and BS EN 60947-2, ensuring safe operation, durability, and full regulatory compliance.